The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your eyes? [8c-1]
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 cilia 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 microbes that cause disease. Which 'defence' relates to your 'unharmed' skin? [8c-2]
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 cilia cells
platelets produce clots which dry to form a barrier to germs
contains acid that kills most harmful bacteria
The body has many natural defences against harmful microbes that cause disease. Which 'defence' relates to your respiratory system? [8c-3]
white cells surround and destroy microbes
acts as a barrier to germs and produces an antiseptic oil
sticky mucous traps microbes which is removed by cilia cells
platelets produce clots which dry to form a barrier to germs
contains acid that kills most harmful bacteria
The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to a skin cut? [8c-4]
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 cilia cells
platelets produce clots which dry to form a barrier to germs
contains acid that kills most harmful bacteria
The body has many natural defences against harmful microbes that cause disease. Which 'defence' relates to your circulatory blood system? [8c-5]
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 cilia 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? [8c-6]
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 cilia cellsbes which is moved by cilia cells
platelets produce clots which dry to form a barrier to germs
white cells surround and destroy microbes
Which of the following summaries describes a virus? [8c-7]
it has a protein coat, has genes, no cytoplasm, can only reproduce in living 'host' cells and damages them, not destroyed by antibiotics, extremely small (many cannot be seen even with a powerful optical microscope)
it has a cell wall (not cellulose) and cell membrane, has genes and cytoplasm, no nucleus, produces toxins, can reproduce outside living cells and is destroyed by antibiotics
it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyl
Which of the following summaries describes a bacteria? [8c-8]
it has a protein coat, has genes, no cytoplasm, can only reproduce in living 'host' cells and damages them, not destroyed by antibiotics, extremely small (many cannot be seen even with a powerful optical microscope)
it has a cell wall (not cellulose) and cell membrane, has genes and cytoplasm, no nucleus, produces toxins, can reproduce outside living cells and is destroyed by antibiotics
it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyl
Which of the following summaries describes a fungus? [8c-9]
it has a protein coat, has genes, no cytoplasm, can only reproduce in living 'host' cells and damages them, not destroyed by antibiotics, extremely small (many cannot be seen even with a powerful optical microscope)
it has a cell wall (not cellulose) and cell membrane, has genes and cytoplasm, no nucleus, produces toxins, can reproduce outside living cells and is destroyed by antibiotics
it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyl
Which of the following describes the word vaccination? [8c-10]
injection of dead or weakened micro-organism to stimulate production of antibodies
the result of a micro-organism entering the body and causing disease
kills, or prevents the growth of bacteria on external parts of the body
kills, or prevents the growth of bacteria in the body
a micro-organism that can cause a disease
Which of the following describes the word infection? [8c-11]
injection of dead or weakened micro-organism to stimulate production of antibodies
the result of a micro-organism entering the body and causing disease
kills, or prevents the growth of bacteria on external parts of the body
kills, or prevents the growth of bacteria in the body
a protein made by white blood cells that can help destroy microbes
Which of the following describes the word antiseptic? [8c-12]
injection of dead or weakened micro-organism to stimulate production of antibodies
the result of a micro-organism entering the body and causing disease
kills, or prevents the growth of bacteria on external parts of the body
kills, or prevents the growth of bacteria in the body
a protein made by white blood cells that can help destroy microbes
Which of the following describes the word antibiotic? [8c-13]
a protein made by white blood cells that can help destroy microbes
the result of a micro-organism entering the body and causing disease
a protein made by white blood cells that can help destroy microbes
kills, or prevents the growth of bacteria in the body
a micro-organism that can cause a disease
Which of the following describes the word pathogen>? [8c-14]
injection of dead or weakened micro-organism to stimulate production of antibodies
a protein made by white blood cells that can help destroy microbes
kills, or prevents the growth of bacteria on external parts of the body
kills, or prevents the growth of bacteria in the body
a micro-organism that can cause a disease
Which of the following describes the word antibody? [8c-15]
injection of dead or weakened micro-organism to stimulate production of antibodies
the result of a micro-organism entering the body and causing disease
kills, or prevents the growth of bacteria on external parts of the body
kills, or prevents the growth of bacteria in the body
a protein made by white blood cells that can help destroy microbes
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? [8c-16]
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? [8c-17]
2.0g sugar, 20oC
3.5g sugar, 35oC
2.0g sugar, 35oC
3.5g sugar, 20oC
Which of the following is a micro-organism that helps bread rise in baking? [8c-18]
yoghurt
salt
yeast
bicarbonate of soda
Which of the following is a NOT a micro-organism, but helps bread rise in baking? [8c-19]
yoghurt
salt
yeast
bicarbonate of soda
You can grow micro-organisms in a __(1)__ containing a gelatinous layer of __(2)__ mixed with __(3)__ to feed on. The __(4)__ are spread across the gel using a __(5)__ wire loop.
Which word(s) is/are missing from __(1)__? [8c-20]
petri dish
agar
nutrients
bacteria
sterilised
You can grow micro-organisms in a __(1)__ containing a gelatinous layer of __(2)__ mixed with __(3)__ to feed on. The __(4)__ are spread across the gel using a __(5)__ wire loop.
Which word(s) is/are missing from __(2)__? [8c-21]
petri dish
agar
nutrients
bacteria
sterilised
You can grow micro-organisms in a __(1)__ containing a gelatinous layer of __(2)__ mixed with __(3)__ to feed on. The __(4)__ are spread across the gel using a __(5)__ wire loop.
Which word(s)) is/are missing from __(3)__? [8c-22]
petri dish
agar
nutrients
bacteria
sterilised
You can grow micro-organisms in a __(1)__ containing a gelatinous layer of __(2)__ mixed with __(3)__ to feed on. The __(4)__ are spread across the gel using a __(5)__ wire loop.
Which word(s) is/are missing from __(4)__? [8c-23]
petri dish
agar
nutrients
bacteria
sterilised
You can grow micro-organisms in a __(1)__ containing a gelatinous layer of __(2)__ mixed with __(3)__ to feed on. The __(4)__ are spread across the gel using a __(5)__ wire loop.
Which word(s) is/are missing from __(5)__? [8c-24]
petri dish
agar
nutrients
bacteria
sterilised
Which of the following is TRUE? [8c-25]
antibiotics like penicillin, 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 baby cannot get antibodies from its mother
Which of the following is TRUE? [8c-26]
antibiotics like penicillin, stop viruses 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 baby cannot get antibodies from its mother
Which of the following is TRUE? [8c-27]
antibiotics like penicillin, stop viruses 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 baby cannot get antibodies from its mother
Which of the following is TRUE? [8c-28]
antibiotics like penicillin, stop viruses 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 baby cannot get antibodies from its mother
Which of the following is TRUE? [8c-29]
antibiotics like penicillin, stop viruses 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 baby can get antibodies from its mother
Which of the following matches the word sterilisation? [8c-30]
drinking water is treated with chlorine before domestic use
the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
using yeast and sugar solution to make alcohol
milk is treated to remove some fat to make it semi-skimmed
Which of the following matches the word immunisation? [8c-31]
drinking water is treated with chlorine before domestic use
the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
using yeast and sugar solution to make alcohol
milk is heated to a high temperature for a short time before selling to customer
Which of the following matches the word fermentation? [8c-32]
drinking water is treated with chlorine before domestic use
the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
using yeast and sugar solution to make alcohol
milk is heated to a high temperature for a short time before selling to customer
Which of the following matches the word pasteurisation? [8c-33]
drinking water is treated with chlorine before domestic use
the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
using yeast and sugar solution to make alcohol
milk is heated to a high temperature for a short time before selling to customer
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.
Which missing word is __(1)__? [8c-34]
microscope
microbes
useful
yeast
harmful
cholera
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.
Which missing word is __(2)__? [8c-35]
microscope
microbes
useful
yeast
harmful
cholera
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.
Which missing word is __(3)__? [8c-36]
microscope
microbes
useful
yeast
harmful
cholera
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.
Which missing word is __(4)__? [8c-37]
microscope
microbes
useful
yeast
harmful
cholera
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.
Which missing word is __(5)__? [8c-38]
microscope
microbes
useful
yeast
harmful
cholera
Very small living things that can only be seen with a __(1)__ and are called __(2)__. Some are __(3)__ like __(4)__ used in breadmaking. However, others are __(5)__ causing diseases like __(6)__.