Which organ processes blood, absorbs nutrients from it, and removes harmful substances to detoxify blood?
brain
liver
heart
kidney
lungs
intestine
Which organ is a complex muscle and valve system that pumps blood around the body?
brain
liver
heart
kidney
lungs
intestine
Which organ cleans the blood of toxins and changes waste into urine?
brain
liver
heart
kidneys
lungs
intestine
Which organ exchanges the gases oxygen and carbon dioxide?
brain
liver
heart
kidneys
lungs
intestine
Which organ breaks down raw food into substances that can be absorbed into the blood stream?
brain
liver
heart
kidneys
lungs
intestine
Which chemical element in needed in a healthy diet that is an important part of bone structure?
calcium (Ca)
iron (Fe)
iodine (I)
cobalt (Co)
Which chemical element in needed in a healthy diet to help move oxygen around your body?
calcium (Ca)
iron (Fe)
iodine (I)
cobalt (Co)
Which chemical element in needed in a healthy diet for the haemoglobin in your blood?
calcium (Ca)
iron (Fe)
iodine (I)
cobalt (Co)
Which chemical element in needed in a healthy diet for the hormone thyroxine?
calcium (Ca)
iron (Fe)
iodine (I)
cobalt (Co)
Which chemical element in needed in a healthy diet for vitamin B12?
calcium (Ca)
iron (Fe)
iodine (I)
cobalt (Co)
Which of these is only found in plant cells to make the structure stronger and more rigid?
cell wall
cell membrane
cytoplasm
vacuoles
starch granules
chloroplasts
Which of these is found in all plant and animal cells and allows and controls nutrients entering and waste products leaving the cell?
cell wall
cell membrane
cytoplasm
vacuole
nucleus
mitochondria
Which of these is found in all plant and animal cells?, chemical reactions occur in it as it contains a solution of chemicals including all the nutrients passed into the cell and the waste products to be removed.
cell wall
cell membrane
cytoplasm
vacuole
nucleus
mitochondrion
Which of these is permanently found in all plant cells, relatively large and containing a sugary liquid, and either absent from, or small and temporary in animal cells, and containing waste products?
cell wall
cell membrane
cytoplasm
vacuole
mitochondria
chloroplasts
Which of these is found in all plant and animal cells and chemically controls all the essential activities and functions of the cell
cell wall
cell membrane
cytoplasm
vacuole
nucleus
mitochondrion
Which of these is an organelle, and the site of photosynthesis in plant cells?
cell wall
cell membrane
cytoplasm
vacuole
nucleus
chloroplast
Which of these is an organelle, the source of energy to power the chemistry of a cell?
mitochondrion
cell membrane
cytoplasm
vacuole
nucleus
chloroplast
Where might you find starch granules in a plant cell?
cell wall
cytoplasm
cell membrane
vacuole
nucleus
chloroplast
Which of these is produced from glucose molecules to store energy in plants?
starch granules
water
protein
chlorophyll
carbon dioxide
Which of these is produced directly from photosynthesis in plants?
starch
glucose
water
chlorophyll
carbon dioxide
Which of these is produced directly by photosynthesis in plants?
starch
water
oxygen
chlorophyll
carbon dioxide
Which of these is needed for photosynthesis in plants?
starch
glucose
oxygen
water
nitrate
Which of these is needed for photosynthesis in plants?
starch
glucose
oxygen
nitrate
carbon dioxide
Which of these is the catalyst for photosynthesis in plants?
chlorophyll
glucose
oxygen
nitrate
carbon dioxide
Which of these is essential for respiration in the mitochondria of cells?
oxygen
water
protein
starch
carbon dioxide
Which of these is a product of respiration in the mitochondria of cells?
oxygen
water
glucose
starch
fat
Which of these is a product of respiration in the mitochondria of cells?
glucose
fat
carbon dioxide
starch
oxygen
Which of these is essential for respiration in the mitochondria of cells?
starch
water
protein
glucose
carbon dioxide
Which part of the digestive system is mechanically breaks up food and digestion aided from enzymes secreted by the salivary glands?
mouth
oesophagus (gullet)
stomach
large intestine
small intestine
rectum
Which part of the digestive system connects the mouth to the stomach?
anus
oesophagus (gullet)
rectum
large intestine
small intestine
Which part of the digestive system mechanically churns up food and enzymes are secreted to digest proteins in acid conditions?
mouth
oesophagus (gullet)
stomach
large intestine
small intestine
rectum
Which part of the digestive system is where water is absorbed from the residue of digestion, to produce faeces?
mouth
oesophagus (gullet)
stomach
large intestine
small intestine
rectum
Which part of the digestive system where digestion of food broken down in the stomach, is completed by several secreted enzymes, and absorption of nutrients into the bloodstream?
rectum
oesophagus (gullet)
anus
large intestine
small intestine
Which part of the digestive system stores the faeces?
anus
oesophagus (gullet)
rectum
large intestine
small intestine
Which part of the digestive system controls the ejection of waste material from digestion?
rectum
oesophagus (gullet)
stomach
large intestine
small intestine
anus
Which enzyme catalyses the conversion of starch to maltose and other sugars?
amylase
protease
zymase
lipase
trypsin
Which enzyme helps break down and digest proteins to give amino acids which can be absorbed in the small intestine?
amylase
protease
zymase
lipase
maltase
Which enzyme catalyses the fermentation of glucose sugar to ethanol (ethyl alcohol, 'alcohol')?
amylase
protease
zymase
lipase
maltase
trypsin
Which enzyme breaks down fats to help digest them?
amylase
protease
zymase
lipase
maltase
trypsin
Which enzyme converts maltose to glucose?
amylase
protease
zymase
lipase
maltase
trypsin
Which enzyme breaks down and helps digest proteins?
amylase
maltase
zymase
lipase
trypsin
In which part of a plant cell does photosynthesis take place?
chloroplast
cell wall
cytoplasm
nucleus
Which part of a plant absorbs mineral ions?
leaves
root hairs
stem
flower
Which of these is a thin hairlike strand that enables microorganisms to move around?
flagellum
villi
cilia
hair follicle
Which of these are thin hairlike strands that can move mucous up the throat?
flagellum
villi
cilia
hair follicle
Which of these are thin structures that absorb nutrients from the gut?
flagellum
villi
cilia
hair follicle
Which of these is a small opening in the skin through which a hair grows?
flagellum
villi
cilia
hair follicle
Which organ of the human body allows the exchange of oxygen and carbon dioxide?
lungs
kidney
liver
bladder
Which organ of the human body removes waste from the blood, purifies it and makes urine?
lungs
kidney
liver
bladder
Which organ of the human body produces secretions to help digestion, stores energy foods and is damaged by too much alcohol?
lungs
kidney
liver
bladder
Which organ of the human body can temporary store urine?
lungs
kidney
liver
bladder
Which of these is the largest?
organism
cell
tissue
organelle
Which of these is the smallest?
organism
cell
tissue
organelle
Which part corresponds to the umbilical cord?
W
Y
N
Z
R
P
Which part corresponds to the placenta?
W
Y
N
Z
R
P
Which part corresponds to the cervix?
W
Y
N
Z
R
P
Which part corresponds to the vagina?
W
Y
N
Z
R
P
Which part corresponds to the uterus lining?
R
P
U
S
N
Z
Which part corresponds to the amniotic fluid?
R
P
U
S
N
Z
Which part corresponds to the ovaries?
R
P
U
S
N
Z
Which part corresponds to the oviduct?
R
P
U
S
N
Z
Which word matches the phrase 'the release of the egg cell (ovum) from the ovary'?
ovulation
implantation
menstruation
contraction
fertilisation
Which word matches the phrase 'when the embryo beds itself into the uterus lining to develop into the foetus'?
ovulation
implantation
menstruation
contraction
fertilisation
Which word matches the phrase 'the breaking down of the uterus lining with bleeding in the female fertility cycle'?
ovulation
implantation
menstruation
contraction
fertilisation
Which word matches the phrase 'what the uterus wall does before childbirth'?
ovulates
implants
menstruates
contracts
fertilises
Which word matches the phrase ''the female sex cell?
ovum
embryo
foetus
sperm
Which word matches the phrase ''initially formed by the fusion of the female and male sex cells?
ovum
embryo
foetus
sperm
Which word matches the phrase ''offspring with recognisable human features?
ovum
embryo
foetus
sperm
Which word matches the phrase ''the male sex cell?
ovum
embryo
foetus
sperm
Which of the following is TRUE?
Girls are born with thousands of unripened egg cells in their ovaries.
Adult males produce and store all their sperm in adolescence.
The female egg cell is smaller than most other specialised cells so it can easily move down the fallopian tube to meet a male sperm cell.
The female menstrual cycle takes about 9 months.
Which of the following is TRUE?
Girls are born with just a few unripened egg cells in their ovaries
Adult males can continually produce sperm.
The female egg cell is smaller than most other specialised cells so it can easily move down the fallopian tube to meet a male sperm cell.
The female menstrual cycle takes about 9 months.
Which of the following is TRUE?
Girls are born with just a few unripened egg cells in their ovaries
Adult males produce and store all their sperm in adolescence.
The female egg cell is larger than most other specialised cells because it has extra food for growth and development after fertilisation.
The female menstrual cycle takes about 9 months.
Which of the following is TRUE?
Girls are born with just a few unripened egg cells in their ovaries
Adult males produce and store all their sperm in adolescence.
The female egg cell is smaller than most other specialised cells so it can easily move down the fallopian tube to meet a male sperm cell.
The female menstrual cycle takes about 1 month.
Which is an animal that eats plants and animals?
omnivore
carnivore
herbivore
vegetarian
Which is an animal that only eats animals?
omnivore
carnivore
herbivore
vegetarian
Given the food chain: rose ==> ladybird ==> blue tit ==> kestrel Which is/are prey?
rose ony
ladybird and blue tit
blue tit only
rose and ladybird
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the producer?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the primary consumer?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the secondary consumer?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the tertiary consumer?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the top carnivore and top predator?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is the herbivore?
cabbage
butterfly
blue tit
kestrel
Given the food chain: cabbage ==> butterfly ==> blue tit ==> kestrel Which is/are prey?
cabbage only
butterfly only
both blue tit and butterfly
blue tit only
Which of the following animals has thick fur for thermal insulation?
bear
seagull
cheetah
shark
Which of the following animals has low density bones to travel great distances?
bear
seagull
cheetah
shark
Which of the following animals strong leg muscles for moving fast?
bear
seagull
cheetah
shark
Which of the following animals has a streamlined body for fast movement?
polar bear
seagull
cheetah
shark
Which of the following is cold blooded, lives in water, has gills and paired fins?
fish
amphibian
reptile
bird
mammal
Which of the following is cold blooded, lays eggs in water, spends first part of life in water and has gills, slimy skin, lives on land in adult life breathing with lungs?
fish
amphibian
reptile
bird
mammal
Which of the following is cold blooded, dry scaly waterproof skin, lays eggs on land?
fish
amphibian
reptile
bird
mammal
Which of the following is warm blooded, lays eggs on land, covered in feathers?
fish
amphibian
reptile
bird
mammal
Which of the following is warm blooded, body covered in hair, gives birth to live young which are fed on milk from special glands?
fish
amphibian
reptile
bird
mammal
Which of the following describes a snail?
invertebrate without jointed legs
invertebrate with jointed legs
cold blooded vertebrate
warm blooded vertebrate
Which of the following describes an ant?
invertebrate without jointed legs
invertebrate with jointed legs
cold blooded vertebrate
warm blooded vertebrate
Which of the following describes a salmon?
invertebrate without jointed legs
invertebrate with jointed legs
cold blooded vertebrate
warm blooded vertebrate
Which of the following describes an eagle?
invertebrate without jointed legs
invertebrate with jointed legs
cold blooded vertebrate
warm blooded vertebrate
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your eye colour?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your face shape?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your hair length?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your natural hair colour?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your height?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your height?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your body weight?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your shoe style?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
Your personal features are the result of genetically inherited characteristics and/or your life style. Which of the following factors applies to your chance of throwing a six with a dice?
only genetic factors
a combination of genetic and lifestyle factors
only lifestyle factors
nothing to do with genetic or lifestyle factors
A healthy diet needs a balance of many things. Which is a main source of energy?
carbohydrates
protein
fibre
vitamins
minerals
water
A healthy diet needs a balance of many things. Which is specifically for tissue muscle repairs?
carbohydrates
protein
fibre
vitamins
minerals
water
A healthy diet needs a balance of many things. Which is the nutrient solvent for the chemical reactions of life?
carbohydrates
protein
fibre
vitamins
minerals
water
A healthy diet needs a balance of many things. Which is important for the bowel to help avoid constipation?
carbohydrates
protein
fibre
vitamins
minerals
A healthy diet needs a balance of many things. Which is an energy store and organ heat insulator?
carbohydrates
protein
fibre
fats
minerals
water
A healthy diet needs a balance of many things. Which is needed in small amounts for good health?
carbohydrates
protein
fibre
fats
vitamins
water
A healthy diet needs a balance of many things. Which is needed in small amounts for good health?
carbohydrates
protein
fibre
fats
mineral ions
water
A healthy diet needs a balance of many things. Bread, potatoes and pasta are ALL good sources of?
carbohydrates
protein
fibre
fats
mineral ions
water
A healthy diet needs a balance of many things. Meat, fish and cheese are ALL good sources of?
carbohydrates
protein
fibre
fats
mineral ions
water
A healthy diet needs a balance of many things. Vegetables and wholemeal bread are ALL good sources of?
fats
protein
fibre
water
mineral ions
A healthy diet needs a balance of many things. Butter, olive oil and margarine are ALL good sources of?
fats
protein
fibre
water
mineral ions
A healthy diet needs a balance of many things. Fruit and vegetables are ALL good sources of essential?
fats
protein
fibre
water
vitamins
Small amounts of certain nutrients are needed for good health and vitality. Which of the following dietary needs is mainly obtained from milk and cheese?
calcium
iron
vitamin C
sodium
Small amounts of certain nutrients are needed for good health and vitality. Which of the following dietary needs is mainly obtained from liver and green vegetables?
calcium
iron
vitamin C
sodium
Small amounts of certain nutrients are needed for good health and vitality. Which of the following dietary needs is mainly obtained from vegetables and fruit, but not meat?
calcium
iron
vitamin C
sodium
Small amounts of certain nutrients are needed for good health and vitality. Which of the following dietary needs is obtained from table salt?
calcium ion
iron ion
carbonate ion
sodium ion
Small amounts of certain nutrients are needed for good health and vitality. Which of the following dietary needs is obtained from table salt?
calcium ion
iron ion
carbonate ion
chloride ion
Small amounts of certain nutrients are needed for good health and vitality. Which of the following part of our diet is needed for healthy bone and teeth structure?
calcium
iron
vitamin C
sodium
Small amounts of certain nutrients are needed for good health and vitality. Which of the following part of our diet is specifically needed for healthy tissue repairs?
vitamin B12
iron
vitamin C
sodium
Which of the following is the most abundant type of molecule in the body?
fats
protein
fibre
water
vitamins
Which of the following are small molecules or ions that can be directly absorbed by the small intestine without prior digestion?
fats
protein
fibre
vitamins
carbohydrates
Which of the following are large molecules broken down by alkali and enzymes to small molecules in the small intestine?
fats
protein
fibre
vitamins
carbohydrates
Which of the following are small molecules that can be directly absorbed by the small intestine without digestion of larger molecules?
fats
protein
fibre
sugars
starch
Which of the following specifically helps bowel function and reduce risk of colon cancer?
fats
protein
fibre
sugars
starch
Which of the following matches 'making small glucose molecules from big starch molecules'?
digestion
diffusion
transportation
respiration
Which of the following matches 'glucose molecules absorbed into cells through a membrane'?
digestion
diffusion
transportation
ingestion
Which of the following matches 'oxygen and glucose are moved around in the bloodstream'?
digestion
diffusion
transportation
respiration
Which of the following matches 'glucose reacts with oxygen to release energy'?
digestion
diffusion
transportation
respiration
You are given four gas analysis results from fossil fuel combustion or human respiration. Which might be the composition of bunsen flame gases?
74% nitrogen, 1% oxygen, 11% carbon dioxide, 14% water vapour
78% nitrogen, 21% oxygen, 0.04% carbon dioxide, 1% water vapour
76% nitrogen, 15% oxygen, 4% carbon dioxide, 5% water vapour
75% nitrogen, 10% oxygen, 8% carbon dioxide, 7% water vapour
You are given four gas analysis results from fossil fuel combustion or human respiration. Which might be the composition of inhaled air?
74% nitrogen, 1% oxygen, 11% carbon dioxide, 14% water vapour
78% nitrogen, 21% oxygen, 0.04% carbon dioxide, 1% water vapour
76% nitrogen, 15% oxygen, 4% carbon dioxide, 5% water vapour
75% nitrogen, 10% oxygen, 8% carbon dioxide, 7% water vapour
You are given four gas analysis results from fossil fuel combustion or human respiration. Which might be the composition of exhaled air?
74% nitrogen, 1% oxygen, 11% carbon dioxide, 14% water vapour
78% nitrogen, 21% oxygen, 0.04% carbon dioxide, 1% water vapour
76% nitrogen, 15% oxygen, 4% carbon dioxide, 5% water vapour
75% nitrogen, 5% oxygen, 13% carbon dioxide, 7% water vapour
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your eyes?
produces an antiseptic liquid when irritated
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your uninjured skin?
produces an antiseptic liquid when irritated
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your respiratory system?
produces an antiseptic liquid when irritated
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to a skin cut?
produces an antiseptic liquid when irritated
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your blood system?
produces an antiseptic liquid when irritated
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
contains acid that kills most harmful bacteria
white cells surround and destroy microbes
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your stomach?
contains acid that kills most harmful bacteria
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by ciliated cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
Which of the following matches 'it has a protein coat, has genes, no cytoplasm, can only reproduce in living 'host' cells and damages them, not destroyed by antibiotics'?
virus
bacteria
fungus
algae
Which of the following matches ''it has a cell wall (not cellulose) and cell membrane, has genes and cytoplasm, no nucleus, produces toxins, can reproduce outside living '?
virus
bacteria
fungus
algae
Which of the following matches ''it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyll?
virus
bacteria
fungus
algae
Which of the following matches 'it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does contain chlorophyll'?
virus
bacteria
fungus
algae
Which word is associated with the phrase "injection of a dead or weakened micro-organism to stimulate production of antibodies"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "the result of a micro-organism entering the body and causing disease"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "kills, or prevents the growth of bacteria on external parts of the body"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "kills, or prevents the growth of bacteria in the body"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "a micro-organism that can cause a disease"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "inhibits virus multiplication"?
vaccination
infection
antiseptic
antibiotic
pathogen
antiviral
Which word is associated with the phrase "a protein made by white blood cells that can help destroy microbes"?
vaccination
infection
antibody
antibiotic
pathogen
antiviral
In an experiment to investigate the speed of 200g of dough rising in bread making, the following sugar additions and temperatures where used. For which set of conditions would you expect the dough to rise the slowest?
2.0g sugar, 20oC
3.5g sugar, 35oC
2.0g sugar, 35oC
3.5g sugar, 20oC
In an experiment to investigate the speed of 200g of dough rising in bread making, the following sugar additions and temperatures where used. For which set of conditions would you expect the dough to rise the fastest?
2.0g sugar, 20oC
3.5g sugar, 35oC
2.0g sugar, 35oC
3.5g sugar, 20oC
Which of the following is TRUE?
antibiotics like penicillin can stop bacteria reproducing
viruses can't cause diseases
white blood cells can't kill harmful micro-organisms
antibodies in your blood help form a protective scab over a cut
while still in the womb, a child cannot get antibodies from its mother
antibiotics can destroy viruses
Which of the following is TRUE?
antibiotics like penicillin can't stop bacteria reproducing
viruses can cause diseases
white blood cells can't kill harmful micro-organisms
antibodies in your blood help form a protective scab over a cut
while still in the womb, a child cannot get antibodies from its mother
antibiotics can destroy viruses
Which of the following is TRUE?
antibiotics like penicillin can't stop bacteria reproducing
viruses can't cause diseases
white blood cells can kill harmful micro-organisms
antibodies in your blood help form a protective scab over a cut
while still in the womb, a child cannot get antibodies from its mother
antibiotics can destroy viruses
Which of the following is TRUE?
antibiotics like penicillin can't stop bacteria reproducing
viruses can't cause diseases
white blood cells can't kill harmful micro-organisms
platelets in your blood help form a protective scab over a cut
while still in the womb, a child cannot get antibodies from its mother
antibiotics can destroy viruses
Which of the following is TRUE?
antibiotics like penicillin can't stop bacteria reproducing
viruses can't cause diseases
white blood cells can't kill harmful micro-organisms
antibodies in your blood help form a protective scab over a cut
while still in the womb, a child can get antibodies from its mother
antibiotics can destroy viruses
Which of the following is TRUE?
antibiotics like penicillin can't stop bacteria reproducing
viruses can't cause diseases
white blood cells can't kill harmful micro-organisms
antibodies in your blood help form a protective scab over a cut
while still in the womb, a child cannot get antibodies from its mother
antibiotics cannot destroy viruses
The diagram shows possible number pyramids for a four organism food chain. Which section represents the producer?
section u
section v
section w
section x
The diagram shows possible number pyramids for a four organism food chain. Which section represents the primary consumer?
section u
section v
section w
section x
The diagram shows possible number pyramids for a four organism food chain. Which section represents the secondary consumer?
section u
section v
section w
section x
The diagram shows possible number pyramids for a four organism food chain. Which section represents the tertiary consumer?
section u
section v
section w
section x
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: mosses => beetles => birds => sparrowhawk?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: grass => rabbits => foxes => fleas?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: grass => cattle => ticks => birds?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: rose bush => greenfly => ladybirds => swallows?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: fruit bush => caterpillars => birds => fleas?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: algae => crabs => seals => eskimos?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: grasses => zebra => lion => fleas?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: grass => antelope => mites => birds?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: tree => beetles => mice => owls?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
The diagram shows five possible number pyramids for a four organism food chain. Which number pyramid best represents the food chain: tree => monkeys => tigers => mosquitos?
number pyramid 1
number pyramid 2
number pyramid 3
number pyramid 4
number pyramid 5
Which word matches the phrase "an evolved characteristic of an organism that helps it survive in its habitat"?
adaptation
reproduction
variation
mutation
Which word matches the phrase "to form the next generation in an organism population"?
adaptation
reproduction
variation
mutation
Which word matches the phrase "the differences that naturally occur in an organism population due to different gene combinations"?
adaptation
reproduction
variation
mutation
Which word matches the phrase "a change in the genetic information before the next generation is produced"?
adaptation
reproduction
variation
mutation
Which word fits with the phrase choosing characteristics you want to modify in the offspring by natural methods?
selective breeding
genetic information
genetic modification
natural selection
Which word fits with the phrase the 'blueprint' for the characteristics of offspring?
selective breeding
genetic information
genetic modification
natural selection
Which word fits with the phrase altering the information in genes before reproducing the organism?
selective breeding
genetic information
genetic modification
natural selection
Which word fits with the phrase survival of the organisms best adapted to their habitat or environment?
selective breeding
genetic information
genetic modification
natural selection
In mammalian sexual reproduction, which cell contains the female genes?
cell 4
cell 5
cell 3
cell 6
In mammalian sexual reproduction, which cell contains the male genes?
cell 4
cell 5
cell 3
cell 6
In mammalian sexual reproduction, which cell contains the genetic information from the female?
cell 3
cell 6
cell 4
cell 5
In mammalian sexual reproduction, which cell contains the genetic information from the male?
cell 3
cell 6
cell 4
cell 5
In mammalian sexual reproduction, which cell helps move mucous along in the throat?
cell 3
cell 6
cell 4
cell 1
The tendency to form freckles in sunlight is genetically inherited. If Molly and Mark have freckles who might you predict to also have freckles in the 3rd generation?
Joey or Selena
only Joey
only Selena
neither Joey nor Selena
The tendency to form freckles in sunlight is genetically inherited. If only Phil has freckles in the 1st generation and only Joey in the 3rd generation who is most likely to have freckles in the 2nd generation?
Tom
Mark
Sue
Ros
The tendency to form freckles in sunlight is genetically inherited. If only Fred and Sue have freckles in the first two generations, who is most likely to have freckles in the 3rd generation?
only Joey
only Selena
Joey or Selena
neither Joey nor Selena
The tendency to form freckles in sunlight is genetically inherited. If Fred and Selena have freckles, who is most likely to have freckles too?
Tom
Mark
Phil
Sue
Which of the following is NOT true?
genetic information is stored in the cell cytoplasm
identical twins are formed from a fertilised egg that divides into two complete cells
fertilisation is when the nuclei of the egg cell and sperm combine
non-identical twins grow from separately fertilised eggs
Which of the following is NOT true?
genetic information is stored in the cell nucleus
identical twins are formed from two identical fertilised eggs
fertilisation is when the nuclei of the egg cell and sperm combine
non-identical twins grow from separately fertilised eggs
Which of the following is NOT true?
genetic information is stored in the cell nucleus
identical twins are formed from a fertilised egg that divides into two complete cells
fertilisation is when the cytoplasm of the egg cell and sperm combine
non-identical twins grow from separately fertilised eggs
Which of the following is NOT true?
genetic information is stored in the cell nucleus
identical twins are formed from a fertilised egg that divides into two complete cells
fertilisation is when the nuclei of the egg cell and sperm combine
non-identical twins grow from the same fertilised egg
Which of the following is NOT true?
offspring get their genetic information from only the sperm cell
non-identical twins are likely to have some similar inherited characteristics
different lifestyles will result in physical differences between identical twins
brothers and sisters do not inherit exactly the same genetic information
Which of the following is NOT true?
offspring get their genetic information from both the sperm and egg cells
non-identical twins are unlikely to have any similar inherited characteristics
different lifestyles will result in physical differences between identical twins
brothers or sisters do not inherit exactly the same genetic information
Which of the following is NOT true?
offspring get their genetic information from both the sperm and egg cells
non-identical twins are likely to have some similar inherited characteristics
different lifestyles will not result in physical differences between identical twins
brothers or sisters do not inherit exactly the same genetic information
Which of the following is NOT true?
offspring get their genetic information from both the sperm and egg cells
non-identical twins are likely to have some similar inherited characteristics
different lifestyles will result in physical differences between identical twins
brothers or sisters inherit exactly the same genetic information
Which word matches the phrase "substance that slows down the brain and makes you feel sleepy or more relaxed"?
sedative
stimulant
hallucinogen
analgesic
Which word matches the phrase "substance that speeds up your brain and makes you more active"?
sedative
stimulant
hallucinogen
analgesic
Which word matches the phrase "substance that gives you powerful experiences that are not 'real' and you lack control"?
sedative
stimulant
hallucinogen
analgesic
Which word matches the phrase "substance that reduces the feelings of pain"?
sedative
stimulant
hallucinogen
analgesic
Which of the following is NOT true about drinking alcoholic beverages?
a little alcohol can cause serious liver damage
harmful alcohol can reach an unborn baby through the placenta
alcoholic drinks tend to slow down your reactions
alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages?
too much alcohol can cause serious liver damage
alcohol cannot reach an unborn baby through the placenta
alcoholic drinks tend to slow down your reactions
alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages?
a little alcohol can cause serious liver damage
harmful alcohol can reach an unborn baby through the placenta
alcoholic drinks tend to speed up your reactions
alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages?
too much alcohol can cause serious liver damage
harmful alcohol can reach an unborn baby through the placenta
alcoholic drinks tend to slow down your reactions
alcohol is only slowly absorbed into your bloodstream from the stomach
Which of the following is NOT true about smoking?
nicotine is not an addictive substance in tobacco tar or smoke
breathing in other smokers smoke can be harmful
smokers have harmful carbon monoxide in their bloodstream
tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking?
nicotine is an addictive substance in tobacco tar or smoke
breathing in other smokers smoke is not harmful
smokers have harmful carbon monoxide in their bloodstream
tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking?
nicotine is an addictive substance in tobacco tar or smoke
breathing in other smokers smoke can be harmful
smokers do not have harmful carbon monoxide in their bloodstream
tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking?
nicotine is an addictive substance in tobacco tar or smoke
breathing in other smokers smoke can be harmful
smokers have harmful carbon monoxide in their bloodstream
only tobacco tar. and not smoke, contain carcinogens
Which of the following is the largest in size
leaf cell
red blood cell
bacterium
virus
Which of the following is the smallest in size
leaf cell
red blood cell
bacterium
virus
Which structure in a cell produces ATP?
cell membrane
ribosomes
mitochondria
cytoplasm
nucleus
Which structure in a cell synthesises proteins?
cell membrane
ribosomes
mitochondria
cytoplasm
nucleus
In terms of the human body, which of the following is the smallest?
cell
tissue
organ
system
In terms of the human body, which of the following is the largest?
cell
tissue
organ
system
Which type of plant cell layer allows light through and a waxy cuticle to minimise water loss?
upper epidermal tissue
palisade mesophyll
spongy mesophyll
lower epidermal tissue with guard cells
Which type of plant cell layer has regular shaped cells containing chloroplasts?
upper epidermal tissue
palisade mesophyll
spongy mesophyll
lower epidermal tissue with guard cells
Which type of plant cell layer has irregular shaped cells with air spaces to allow gas diffusion?
upper epidermal tissue
palisade mesophyll
spongy mesophyll
lower epidermal tissue with guard cells
Which type of plant cell layer has many stomata and allows gas exchange on the leaf surface?
upper epidermal tissue
palisade mesophyll
spongy mesophyll
lower epidermal tissue with guard cells
Which of these did important early experiments on genetics using pea plants?
Gregor Mendel
Charles Darwin
Rosalind Franklin
Maurice Wilkins
Adolf Fick
Which of these scientists wrote a famous 19th century book on evolution?
Gregor Mendel
Charles Darwin
Alfred Russel Wallace
Maurice Wilkins
Adolf Fick
Which of these scientists, who never received the Nobel Prize, took some famous X-ray photographs of DNA crystals?
James Watson
Charles Darwin
Rosalind Franklin
Francis Crick
Adolf Fick
Which of these scientists received the Nobel Prize for work on the structure of DNA?
Louis Pasteur
Charles Darwin
Rosalind Franklin
Maurice Wilkins
Adolf Fick
Which of these scientists published important scientific papers on the mathematics of diffusion?
Gregor Mendel
James Watson
Rosalind Franklin
Maurice Wilkins
Adolf Fick
Which of these scientists won the Nobel prize for work on the structure of DNA?
Alfred Russel Wallace
Francis Crick
Rosalind Franklin
Robert Brown
Adolf Fick
Which of these scientists won the Nobel prize for work on the structure of DNA?
Alfred Russel Wallace
James Watson
Rosalind Franklin
Robert Brown
Adolf Fick
Which of these scientists formulated a theory of evolution similar to Darwin, based on work in the jungles of South America and Indonesia?
Alfred Russel Wallace
James Watson
Rosalind Franklin
Robert Brown
Adolf Fick
Which of these scientists was famous for discovering the principles of vaccination and microbial fermentation?
Alfred Russel Wallace
James Watson
Rosalind Franklin
Robert Brown
Louis Pasteur
Which of these scientists, early in the 19th century, reported the 'dance' of pollen grains suspended in water, when viewed under a microscope?
Alfred Russel Wallace
James Watson
Rosalind Franklin
Robert Brown
Louis Pasteur
Which of the following hormones is responsible for stimulating the adrenal glands to release cortisol?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which of the following hormones is responsible for causing the kidneys to release less water producing less urine?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which of the following hormones is responsible for causing air passages to dilate and increasing blood flow to the muscles of the heart and lungs?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which of the following hormones released into the bloodstream that helps many functions of the body including metabolism?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which of the following hormones helps control the menstrual cycle and stimulates the growth of eggs in the ovaries?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which of the following hormones helps control the menstrual cycle and triggers the release of an egg from the ovary?
ACTH
ADH
Adrenaline
Thyroxine
FSH
LH
Which bone of the human skeleton is a breast bone?
sternum
humerus
carpals
femur
tibia
tarsal
Which bone of the human skeleton is in the upper arm?
sternum
humerus
carpals
femur
tibia
tarsal
Which bone of the human skeleton is part of the hand?
sternum
humerus
carpals
femur
tibia
tarsal
Which bone of the human skeleton is in the thigh?
sternum
humerus
carpals
femur
tibia
tarsal
Which bone of the human skeleton is the thickest lower leg bone?
sternum
humerus
carpals
femur
tibia
tarsal
Which bone of the human skeleton is part of the foot?
sternum
humerus
carpals
femur
tibia
tarsal
Which is the male part of a flower?
stamens
petals
carpels
sepals
Which part of the flower is designed to attract insects?
stamens
petals
carpels
sepals
Which are the female parts of a flower?
stamens
petals
carpels
sepals
Which parts of the flower are green and protect the flower in the bud?
stamens
petals
carpels
sepals
Food chain: algae => tadpole => perch => otter Which of these is the producer?
algae
tadpole
perch
otter
Food chain: algae => tadpole => perch => otter Which of these is the primary consumer?
algae
tadpole
perch
otter
Food chain: algae => tadpole => perch => otter Which of these is the secondary consumer?
algae
tadpole
perch
otter
Food chain: algae => tadpole => perch => otter Which of these is the tertiary consumer?
algae
tadpole
perch
otter
Food chain: fruit bush => greenfly => blue tit => sparrow hawk Which of these is the producer?
fruit bush
greenfly
blue tit
sparrow hawk
Food chain: fruit bush => greenfly => blue tit => sparrow hawk Which of these is the primary consumer?
fruit bush
greenfly
blue tit
sparrow hawk
Food chain: fruit bush => greenfly => blue tit => sparrow hawk Which of these is the secondary consumer?
fruit bush
greenfly
blue tit
sparrow hawk
Food chain: fruit bush => greenfly => blue tit => sparrow hawk Which of these is the tertiary consumer?
fruit bush
greenfly
blue tit
sparrow hawk
Food chain: grass => rabbit => fox => fleas Which of these is the producer?
grass
rabbit
fox
fleas
Food chain: grass => rabbit => fox => fleas Which of these is the primary consumer?
grass
rabbit
fox
fleas
Food chain: grass => rabbit => fox => fleas Which of these is the secondary consumer?
grass
rabbit
fox
fleas
Food chain: grass => rabbit => fox => fleas Which of these is the tertiary consumer?
grass
rabbit
fox
fleas
Food chain: plankton => herring => seal => eskimo Which of these is the producer?
plankton
herring
seal
eskimo
Food chain: plankton => herring => seal => eskimo Which of these is the primary consumer?
plankton
herring
seal
eskimo
Food chain: plankton => herring => seal => eskimo Which of these is the secondary consumer?
plankton
herring
seal
eskimo
Food chain: plankton => herring => seal => eskimo Which of these is the tertiary consumer?
plankton
herring
seal
eskimo
Which element of the periodic table is a Group 1 Alkali Metal?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which element of the periodic table is a Group 2 Alkaline Earth Metal?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which element of the periodic table is a Group 7 (17) Halogen?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which element of the periodic table is a Group 0 (8, 18) Noble Gas?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which element of the periodic table is a Transition Metal?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which element of the periodic table is a Rare Earth Metal?
sodium (Na)
magnesium (Mg)
chlorine (Cl)
xenon (Xe)
iron (Fe)
neodymium (Nd)
Which of the following terms means the state change of liquid to gas?
boiling
freezing
melting
condensing
sublimation
Which of the following terms means the state change of liquid to solid?
boiling
freezing
melting
condensing
sublimation
Which of the following terms means the state change of solid to liquid?
boiling
freezing
melting
condensing
sublimation
Which of the following terms means the state change of gas to liquid?
boiling
freezing
melting
condensing
sublimation
Which of the following terms means the state change of solid to gas?
boiling
freezing
melting
condensing
sublimation
Which of the following terms means the state change of liquid to gas?
vaporisation
freezing
melting
condensing
sublimation
Which of the following terms means the state change of liquid to gas?
sublimation
freezing
melting
condensing
evaporation
What danger does this hazard warning sign indicate?
oxidant
harmful
corrosive
flammable
toxic
explosive
What danger does this hazard warning sign indicate?
oxidant
harmful
corrosive
flammable
toxic
biohazard
What danger does this hazard warning sign indicate?
oxidant
irritant
corrosive
flammable
toxic
biohazard
What danger does this hazard warning sign indicate?
oxidant
irritant
corrosive
flammable
toxic
biohazard
What danger does this hazard warning sign indicate?
oxidant
irritant
corrosive
flammable
toxic
explosive
What danger does this hazard warning sign indicate?
oxidant
irritant
corrosive
radioactive
toxic
explosive
What danger does this hazard warning sign indicate?
oxidant
biohazard
corrosive
radioactive
toxic
explosive
What danger does this hazard warning sign indicate?
explosive
biohazard
corrosive
radioactive
toxic
flammable
What danger does this hazard warning sign indicate?
explosive
biohazard
corrosive
radioactive
toxic
oxidant
Which word means 'a substance that dissolves in a liquid'?
solute
solvent
solution
suspension
Which word means 'a liquid that dissolves substances'?
solute
solvent
solution
suspension
Which word means 'a liquid that contains a dissolved substance'?
solute
solvent
solution
suspension
Which word means 'a mixture of a liquid and solid that looks cloudy'?
solute
solvent
solution
suspension
Which element used in roofing corrodes to form a brown oxide compound?
iron (Fe)
copper (Cu)
lead (Pb)
silver (Ag)
Which element used in roofing corrodes to form a green basic carbonate compound?
iron (Fe)
copper (Cu)
lead (Pb)
silver (Ag)
Which element used in roofing corrodes to form a white oxide compound?
iron (Fe)
copper (Cu)
lead (Pb)
silver (Ag)
Which element used in cutlery corrodes to give a yellow => brown => black sulfide compound? (with less air pollution these days, not as evident as it was!)
iron (Fe)
copper (Cu)
lead (Pb)
silver (Ag)
Which of the following is a sedimentary rock?
sandstone
slate
marble
granite
basalt
Which of the following is a sedimentary rock?
pumice
shale
obsidian
schist
gneiss
Which of the following is a sedimentary rock from which oil is extracted?
sandstone
shale
slate
schist
limestone
Which of the following is a sedimentary rock?
slate
marble
limestone
pumice
obsidian
Which of the following is a sedimentary rock?
gneiss
granite
basalt
mudstone
marble
Which of the following is a metamorphic rock?
slate
sandstone
shale
pumice
basalt
Which of the following is a metamorphic rock?
mudstone
marble
sandstone
granite
basalt
Which of the following is a metamorphic rock?
shale
limestone
schist
pumice
granite
Which of the following is a metamorphic rock?
limestone
mudstone
basalt
gneiss
granite
Which of the following is an igneous rock?
granite
limestone
sandstone
marble
slate
Which of the following is an igneous rock?
shale
basalt
sandstone
slate
marble
Which of the following is an igneous rock?
mudstone
limestone
pumice
schist
marble
Which of the following is an igneous rock?
slate
limestone
sandstone
obsidian
marble
Sulfuric acid is a strong acid used in car batteries, what might the pH of battery acid be?
pH 1
pH 3
pH 7
pH 11
pH 13
Vinegar is a solution containing the weak organic acid ethanoic acid (acetic acid). What might the pH of vinegar be?
pH 1
pH 3
pH 7
pH 11
pH 13
Sodium chloride is the main ingredient in cooking salt. When dissolved in water, what might the pH of the solution be?
pH 1
pH 3
pH 7
pH 11
pH 13
Ammonia is a weak alkali used in oven cleaning fluids. What might the pH of this household cleaning fluid be?
pH 1
pH 3
pH 7
pH 11
pH 13
Sodium hydroxide (caustic soda) is a strong alkali used in drain cleaning fluids. What might the pH of this cleaning fluid be?
pH 1
pH 3
pH 7
pH 11
pH 13
Which word means 'it will dissolve in a liquid'?
solute
solvent
solution
soluble
Which of these elements is a pale yellow gas?
fluorine (F)
chlorine (Cl)
bromine (Br)
iodine (I)
astatine (At)
Which of these elements is a green gas?
fluorine (F)
chlorine (Cl)
bromine (Br)
iodine (I)
astatine (At)
Which of these elements is a dark reddish brown liquid giving off a orange-brown vapour
fluorine (F)
chlorine (Cl)
bromine (Br)
iodine (I)
astatine (At)
Which of these elements is a dark solid giving a purple vapour on heating?
fluorine (F)
chlorine (Cl)
bromine (Br)
iodine (I)
astatine (At)
Which of these elements is a dark radioactive solid?
fluorine (F)
chlorine (Cl)
bromine (Br)
iodine (I)
astatine (At)
Which is the strongest alkali?
bleach
toothpaste
vinegar
wine
Which is the weakest alkali?
bleach
toothpaste
vinegar
wine
Which is the strongest acid?
bleach
toothpaste
vinegar
wine
Which is the weakest alkali?
bleach
calamine lotion
vinegar
wine
Which substance is added to soil to reduce the acidity and increase pH
sodium hydroxide
calcium oxide
NPK fertiliser
charcoal
Which of the following 'fizzes' when acid added to it?
cooking salt
potato crisps
bicarbonate of soda
household ammonia
Which gas, formed in fossil fuel combustion, is acidic and irritating to the lungs and eyes?
nitrogen dioxide (NO2)
ammonia (NH3)
carbon dioxide (CO2)
carbon monoxide (CO)
methane (CH4)
Which gas is produced by photosynthesis?
methane (CH4)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
hydrogen (H2)
Which gas is relights a glowing splint?
nitrogen dioxide (NO2)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
hydrogen (H2)
Which gas is formed when acids react with carbonates?
nitrogen dioxide (NO2)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
hydrogen (H2)
Which gas is the main product formed on the complete combustion of a hydrocarbon fuel?
nitrogen dioxide (NO2)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
sulfur dioxide (SO2)
Which gas is formed with incomplete combustion of a hydrocarbon fuel?
nitrogen dioxide (NO2)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
hydrogen (H2)
Which gas is highly toxic and combines with haemoglobin in red blood cells?
nitrogen dioxide (NO2)
oxygen (O2)
carbon dioxide (CO2)
carbon monoxide (CO)
methane (CH4)
Which gas is most likely formed by the reaction between dilute acids and metals?
sulfur dioxide (SO2)
ammonia (NH3)
carbon dioxide (CO2)
hydrogen (H2)
carbon monoxide (CO)
Which gas gives a squeaky pop with a lit splint?
nitrogen dioxide (NO2)
ammonia (NH3)
carbon dioxide (CO2)
hydrogen (H2)
carbon monoxide (CO)
Which gas is used in the Haber synthesis of ammonia to make fertilisers?
nitrogen dioxide (NO2)
sulfur dioxide (SO2)
carbon dioxide (CO2)
hydrogen (H2)
carbon monoxide (CO)
Which gas is used in the Haber synthesis of ammonia to make fertilisers?
nitrogen dioxide (NO2)
sulfur dioxide (SO2)
carbon dioxide (CO2)
nitrogen (N2)
carbon monoxide (CO)
Which is the only alkaline gas listed?
nitrogen dioxide (NO2)
ammonia (NH3)
carbon dioxide (CO2)
methane (CH4)
carbon monoxide (CO)
Which is an alkaline gas, soluble in water, and neutralised by acids to form salts?
nitrogen dioxide (NO2)
ammonia (NH3)
carbon dioxide (CO2)
nitrogen (N2)
methane (CH4)
Which is the only gas to turn red litmus paper blue?
methane (CH4)
ammonia (NH3)
carbon dioxide (CO2)
nitrogen (N2)
sulfur dioxide (SO2)
Which gas is the main combustible component in liquified natural gas?
hexane (C6H14)
ammonia (NH3)
carbon dioxide (CO2)
methane (CH4)
carbon monoxide (CO)
Which gas is most likely to be formed by the anaerobic decomposition of organic waste?
sulfur dioxide (SO2)
ammonia (NH3)
carbon dioxide (CO2)
methane (CH4)
carbon monoxide (CO)
Which gas is the strongest infrared absorbing 'greenhouse' gas?
carbon monoxide (CO)
hydrogen (H2)
carbon dioxide (CO2)
methane (CH4)
carbon monoxide (CO)
Which strongly acidic polluting gas is formed in the combustion of fossil fuels?
sulfur dioxide (SO2)
ammonia (NH3)
carbon dioxide (CO2)
methane (CH4)
carbon monoxide (CO)
What in general is formed when a dilute acid reacts with a metal?
salt + hydrogen
salt + water
salt + water + carbon dioxide
salt + carbon dioxide
What in general is formed when a dilute acid reacts with an oxide?
salt + hydrogen
salt + water
salt + water + carbon dioxide
salt + carbon dioxide
What in general is formed when a dilute acid reacts with a carbonate?
salt + hydrogen
salt + water
salt + water + carbon dioxide
salt + carbon dioxide
Which of the following describes a test for carbon dioxide?
The gas is bubbled into limewater.
A glowing wooden splint is placed in the gas.
A lit wooden splint is placed in the gas.
Damp red litmus is placed in the gas
Which of the following describes a test for oxygen?
The gas is bubbled into limewater.
A glowing wooden splint is placed in the gas.
A lit wooden splint is placed in the gas.
Damp red litmus is placed in the gas
Which of the following describes a test for hydrogen?
The gas is bubbled into limewater.
A glowing wooden splint is placed in the gas.
A lit wooden splint is placed in the gas.
Damp red litmus is placed in the gas
Which of the following describes a test for ammonia?
The gas is bubbled into limewater.
A glowing wooden splint is placed in the gas.
A lit wooden splint is placed in the gas.
Damp red litmus is placed in the gas
Which word describes the process of a solid directly changing to a gas/vapour on heating?
melting
boiling
evaporation
sublimation
This particle model picture represents a?
pure gas
liquid
mixture of gases
partly melted solid
This particle model picture represents a?
liquid mixture
pure liquid
solution
partly melted solid
This particle model picture represents a?
pure gas
liquid mixture or solution
solid
partly melted solid
This particle model picture represents a ?
pure gas
pure liquid
solid mixture or alloy
partly melted solid
This particle model picture represents a?
a liquid mixture
a partly condensed gas
a solid mixture
partly melted solid mixture
This particle model picture represents a ?
pure liquid
concentrated solution
solid mixture
pure solid
Which of these is an element?
Cu
CO
MgO
FeS
Which of these is a compound?
Cu
CO
Co
Sc
Which of these is an element?
SrS
BeO
No
MgS
Which of these is a compound?
Cs
Sc
Co
CO
This particle model represents a?
mixture of two compound molecules
molecules of a pure element
a mixture of molecules of two elements
a mixture of molecules of two elements and molecules of a compound
This particle model represents a?
mixture of two compound molecules
molecules of a pure element
a mixture of molecules of two elements
a mixture of molecules of two elements and molecules of a compound
This particle model represents a?
mixture of two compound molecules
molecules of a pure element
a mixture of molecules of two elements
a mixture of molecules of two elements and molecules of a compound
This particle model represents a?
mixture of two compound molecules
molecules of a pure element
a mixture of molecules of two elements
a mixture of molecules of two elements and molecules of a compound
When copper is heated in a bunsen flame it forms a black solid called?
copper oxide
copper hydroxide
copper carbide
copper nitride
The formula for sulfuric acid is H2SO4. What is the ratio of H : S : O atoms in the molecule?
1 : 2 : 4
2 : 1 : 4
2 : 4 : 4
2 : 2 : 4
The formula for calcium carbonate is CaCO3. What is the ratio of Ca : C : O atoms in the formula?
1 : 3 : 3
1 : 1 : 3
3 : 3 : 1
3 : 1 : 1
The formula of ammonium sulfate is (NH4)2SO4. What is the ratio of N : H : S : O atoms in the molecule?
1 : 4 : 2 : 4
2 : 4 : 2 : 8
2 : 8 : 1 : 4
1 : 8 : 1 : 8
The formula of calcium hydroxide is Ca(OH)2. What is the ratio of Ca : O : H atoms in the formula?
2 : 2 : 2
2 : 2 : 1
2 : 1 : 2
1 : 2 : 2
At room temperature which of the following elements is a dull yellow solid?
sulfur (S)
gold (Au)
phosphorus (P)
boron (B)
At room temperature which of the following element is a silvery liquid?
caesium (Cs)
mercury (Hg)
selenium (Se)
boron (B)
At room temperature which of the following element is dark reddish-brown liquid?
phosphorus (P)
mercury (Hg)
bromine (Br)
boron (B)
At room temperature which of the following element is a silvery solid?
boron (B)
mercury (Hg)
gold (Au)
scandium (Sc)
Which is generally NOT true about comparing the properties of metallic and non-metallic elements?
Metals usually have lowish melting and boiling points and are brittle solids.
Metals are usually good thermal and electrical conductors with relatively high density.
Non-metals usually have low melting and boiling points and are poor thermal and electrical conductors.
Non-metals are usually physically weak e.g. if solid - brittle, dull coloured or soft, with lowish densities.
Which is generally NOT true about comparing the properties of metallic and non-metallic elements?
Metals usually have high melting and boiling points and strong shiny solids.
Metals are usually poor thermal and electrical conductors with relatively low density.
Non-metals usually have low melting and boiling points and are poor thermal and electrical conductors.
Non-metals are usually physically weak e.g. if solid - brittle, dull coloured or soft, with lowish densities.
Which is generally NOT true about comparing the properties of metallic and non-metallic elements?
Metals usually have high melting and boiling points and strong shiny solids.
Metals are usually good thermal and electrical conductors with relatively high density.
Non-metals usually have high melting and boiling points and are good thermal and electrical conductors.
Non-metals are usually physically weak e.g. if solid - brittle, dull coloured or soft, with lowish densities.
Which is generally NOT true about comparing the properties of metallic and non-metallic elements?
Metals usually have high melting and boiling points and strong shiny solids.
Metals are usually good thermal and electrical conductors with relatively high density.
Non-metals usually have low melting and boiling points and are poor thermal and electrical conductors.
Non-metals are usually physically strong with high densities.
Which word matches the phrase "the smallest possible particle of ordinary matter that makes up all materials"?
atom
element
compound
mixture
Which word matches the phrase "a particular type of atom which cannot be split into simpler substances"?
molecule
element
compound
mixture
Which word matches the phrase "two or more different types of atom chemically combined together"?
atom
element
compound
mixture
Which word matches the phrase "two or more substances that are not chemically combined together"?
atom
element
compound
mixture
Which method of separation is best to use for separating petrol from crude oil
distillation
evaporation
filtration
chromatography
Which method of separation is best to use for obtaining salt from seawater?
distillation
evaporation
filtration
chromatography
Which method of separation is best to use for removing silt from muddy water?
distillation
evaporation
filtration
chromatography
Which method of separation is best to use for investigating the composition of food dyes in sweet colours
distillation
evaporation
filtration
chromatography
Which sequence most closely describes process E?
burial, melting, cooling
may involve burial first, heat and/or pressure, recrystallisation without melting