Doc Brown's KS3 biology Quiz 8C "Microbes, diseases, drugs and health issues for AQA KS3 science courses practice questions Edexcel OCR KS3 science courses

The body has many natural defences against harmful materials including microbes that cause disease. Which 'defence' relates to your eyes? [8c-1]
1. produces an antiseptic liquid when irritated
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. platelets produce clots which dry to form a barrier to germs
5. 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]
1. produces an antiseptic liquid when irritated
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. platelets produce clots which dry to form a barrier to germs
5. 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]
1. white cells surround and destroy microbes
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. platelets produce clots which dry to form a barrier to germs
5. 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]
1. produces an antiseptic liquid when irritated
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. platelets produce clots which dry to form a barrier to germs
5. 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]
1. produces an antiseptic liquid when irritated
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. contains acid that kills most harmful bacteria
5. 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]
1. contains acid that kills most harmful bacteria
2. acts as a barrier to germs and produces an antiseptic oil
3. sticky mucous traps microbes which is removed by ciliated cells
4. platelets produce clots which dry to form a barrier to germs
5. white cells surround and destroy microbes
Which of the following describes a virus? [8c-7]
1. 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)
2. 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
3. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyll
4. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does contain chlorophyll
Which of the following describes a bacteria? [8c-8]
1. 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)
2. 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
3. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyll
4. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does contain chlorophyll
Which of the following describes a fungus? [8c-9]
1. 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)
2. 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
3. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyll
4. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does contain chlorophyll
Which of the following describes the word vaccination? [8c-10]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. the result of a micro-organism entering the body and causing disease
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. a micro-organism that can cause a disease
6. prevents virus multiplication
Which of the following describes the word infection? [8c-11]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. the result of a micro-organism entering the body and causing disease
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. a protein made by white blood cells that can help destroy microbes
6. prevents virus multiplication
Which of the following describes the word antiseptic? [8c-12]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. the result of a micro-organism entering the body and causing disease
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. a protein made by white blood cells that can help destroy microbes
6. prevents virus multiplication
Which of the following describes the word antibiotic? [8c-13]
1. a protein made by white blood cells that can help destroy microbes
2. the result of a micro-organism entering the body and causing disease
3. a protein made by white blood cells that can help destroy microbes
4. kills, or prevents the growth of bacteria in the body
5. a micro-organism that can cause a disease
6. prevents virus multiplication
Which of the following describes the word pathogen? [8c-14]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. a protein made by white blood cells that can help destroy microbes
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. a micro-organism that can cause a disease
6. prevents virus multiplication
Which of the following describes the word antibody? [8c-15]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. the result of a micro-organism entering the body and causing disease
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. 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]
1. 2.0g sugar, 20^oC
2. 3.5g sugar, 35^oC
3. 2.0g sugar, 35^oC
4. 3.5g sugar, 20^oC
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]
1. 2.0g sugar, 20^oC
2. 3.5g sugar, 35^oC
3. 2.0g sugar, 35^oC
4. 3.5g sugar, 20^oC
Which of the following is a micro-organism that helps bread rise in baking? [8c-18]
1. yoghurt
2. salt
3. yeast
4. bicarbonate of soda
Which of the following is a NOT a micro-organism, but helps bread rise in baking? [8c-19]
1. yoghurt
2. salt
3. yeast
4. 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.

Choose from: agar, bacteria, nutrients, petri dish, sterilised
Which word(s) is/are missing from __(1)__? [8c-20]
1. petri dish
2. agar
3. nutrients
4. bacteria
5. 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.

Choose from: agar, bacteria, nutrients, petri dish, sterilised
Which word(s) is/are missing from __(2)__? [8c-21]
1. petri dish
2. agar
3. nutrients
4. bacteria
5. 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.

Choose from: agar, bacteria, nutrients, petri dish, sterilised
Which word(s)) is/are missing from __(3)__? [8c-22]
1. petri dish
2. agar
3. nutrients
4. bacteria
5. 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.

Choose from: agar, bacteria, nutrients, petri dish, sterilised
Which word(s) is/are missing from __(4)__? [8c-23]
1. petri dish
2. agar
3. nutrients
4. bacteria
5. 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.

Choose from: agar, bacteria, nutrients, petri dish, sterilised
Which word(s) is/are missing from __(5)__? [8c-24]
1. petri dish
2. agar
3. nutrients
4. bacteria
5. sterilised
Which of the following is TRUE? [8c-25]
1. antibiotics like penicillin, stop bacteria reproducing
2. viruses can't cause diseases
3. white blood cells can't kill harmful micro-organisms
4. antibodies in your blood help form a protective scab over a cut
5. while still in the womb, a child cannot get antibodies from its mother
6. antibiotics can destroy viruses
Which of the following is TRUE? [8c-26]
1. antibiotics like penicillin, stop viruses reproducing
2. viruses can cause diseases
3. white blood cells can't kill harmful micro-organisms
4. antibodies in your blood help form a protective scab over a cut
5. while still in the womb, a child cannot get antibodies from its mother
6. antibiotics can destroy viruses
Which of the following is TRUE? [8c-27]
1. antibiotics like penicillin, stop viruses reproducing
2. viruses can't cause diseases
3. white blood cells can kill harmful micro-organisms
4. antibodies in your blood help form a protective scab over a cut
5. while still in the womb, a child cannot get antibodies from its mother
6. antibiotics can destroy viruses
Which of the following is TRUE? [8c-28]
1. antibiotics like penicillin, stop viruses reproducing
2. viruses can't cause diseases
3. white blood cells can't kill harmful micro-organisms
4. platelets in your blood help form a protective scab over a cut
5. while still in the womb, a child cannot get antibodies from its mother
6. antibiotics can destroy viruses
Which of the following is TRUE? [8c-29]
1. antibiotics like penicillin, stop viruses reproducing
2. viruses can't cause diseases
3. white blood cells can't kill harmful micro-organisms
4. antibodies in your blood help form a protective scab over a cut
5. while still in the womb, a child can get antibodies from its mother
6. antibiotics can destroy viruses
Which of the following matches the word sterilisation? [8c-30]
1. drinking water is treated with chlorine before domestic use
2. the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
3. using yeast and sugar solution to make alcohol
4. milk is heated to a high temperature for a short time to make it safer before selling to a customer
Which of the following matches the word immunisation? [8c-31]
1. drinking water is treated with chlorine before domestic use
2. the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
3. using yeast and sugar solution to make alcohol
4. milk is heated to a high temperature for a short time to make it safer before selling to a customer
Which of the following matches the word fermentation? [8c-32]
1. drinking water is treated with chlorine before domestic use
2. the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
3. using yeast and sugar solution to make alcohol
4. milk is heated to a high temperature for a short time to make it safer before selling to a customer
Which of the following matches the word pasteurisation? [8c-33]
1. drinking water is treated with chlorine before domestic use
2. the result of being injected with a dead or weakened form of a micro-organism to stimulate antibody production
3. using yeast and sugar solution to make alcohol
4. milk is heated to a high temperature for a short time to make it safer before selling to a 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(1)__? [8c-34]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(2)__? [8c-35]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(3)__? [8c-36]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(4)__? [8c-37]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(5)__? [8c-38]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. 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)__.

Choose from: cholera, harmful, microbes, microscope, useful, yeast
Which missing word is __(6)__? [8c-39]
1. microscope
2. microbes
3. useful
4. yeast
5. harmful
6. cholera
Which of the following describes a algae? [8c-9]
1. 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)
2. 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
3. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does not contain chlorophyll
4. it is a single cell or cellular filaments with nucleus containing genes surrounded by cytoplasm but does contain chlorophyll
Which of the following describes the word antiviral? [8c-10]
1. injection of dead or weakened micro-organism to stimulate production of antibodies
2. the result of a micro-organism entering the body and causing disease
3. kills, or prevents the growth of bacteria on external parts of the body
4. kills, or prevents the growth of bacteria in the body
5. a micro-organism that can cause a disease
6. prevents virus multiplication
Which of the following is TRUE? [8c-25]
1. antibiotics like penicillin, kill viruses
2. viruses can't cause diseases
3. white blood cells can't kill harmful micro-organisms
4. antibodies in your blood help form a protective scab over a cut
5. while still in the womb, a child cannot get antibodies from its mother
6. antibiotics cannot destroy viruses
Which word best matches the phrase ...
substance that slows down the brain and makes you feel sleepy or more relaxed? [9b-1]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that speeds up your brain and makes you more active? [9b-2]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that gives you powerful experiences that are not 'real' and you lack control? [9b-3]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that reduces the feelings of pain? [9b-4]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that immunises you against certain infectious diseases? [9b-5]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that a chemical taken internally to kill bacteria infections? [9b-6]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which word best matches the phrase ...
substance that that can be applied externally to the skin to kill bacteria? [9b-7]
1. sedative
2. stimulant
3. hallucinogen
4. analgesic
5. vaccine
6. antibiotic
7. antiseptic
Which of the following is NOT true about drinking alcoholic beverages? [9b-33]
1. a little alcohol can cause serious liver damage
2. harmful alcohol can reach an unborn baby through the placenta
3. alcoholic drinks tend to slow down your reactions
4. alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages? [9b-34]
1. too much alcohol can cause serious liver damage
2. alcohol cannot reach an unborn baby through the placenta
3. alcoholic drinks tend to slow down your reactions
4. alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages? [9b-35]
1. too much alcohol can cause serious liver damage
2. harmful alcohol can reach an unborn baby through the placenta
3. alcoholic drinks tend to speed up your reactions
4. alcohol is rapidly absorbed into your bloodstream from the stomach
Which of the following is NOT true about drinking alcoholic beverages? [9b-36]
1. too much alcohol can cause serious liver damage
2. harmful alcohol can reach an unborn baby through the placenta
3. alcoholic drinks tend to slow down your reactions
4. alcohol is only slowly absorbed into your bloodstream from the stomach
Which of the following is NOT true about smoking? [9b-37]
1. nicotine is not an addictive substance in tobacco tar or smoke
2. breathing in other smokers smoke can be harmful
3. smokers have harmful carbon monoxide in their bloodstream
4. tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking? [9b-38]
1. nicotine is an addictive substance in tobacco tar or smoke
2. breathing in other smokers smoke is not particularly harmful
3. smokers have harmful carbon monoxide in their bloodstream
4. tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking? [9b-39]
1. nicotine is an addictive substance in tobacco tar or smoke
2. breathing in other smokers smoke can be harmful
3. smokers have extra harmful carbon dioxide in their bloodstream
4. tobacco tar and smoke both contain carcinogens
Which of the following is NOT true about smoking? [9b-40]
1. nicotine is an addictive substance in tobacco tar or smoke
2. breathing in other smokers smoke can be harmful
3. smokers have harmful carbon monoxide in their bloodstream
4. only tobacco tar. and not smoke, contain carcinogens
Which of the following is most likely to be TRUE about disease trends over the last hundred years in the developed world? [9b-50]
1. heart disease is increasing due to our richer and more fatty diet
2. diabetes is increasing because we eat more protein in the form of meat
3. cases of measles have decreased mainly due to better living conditions
4. tuberculosis (TB) has increased due to more people smoking
5. lung cancer is increasing because of increased air pollution
Which of the following is most likely to be TRUE about disease trends over the last hundred years in the developed world? [9b-51]
1. heart disease is decreasing due to our more nutritious diet
2. diabetes is increasing because of our richer and more fatty diet
3. cases of measles have decreased mainly due to better living conditions
4. tuberculosis (TB) has increased due to more people smoking
5. lung cancer is increasing because of increased air pollution
Which of the following is most likely to be TRUE about disease trends over the last hundred years in the developed world? [9b-52]
1. heart disease is decreasing due to our more nutritious diet
2. diabetes is increasing because we eat more protein in the form of meat
3. cases of measles have decreased mainly due to immunisation by vaccination
4. tuberculosis (TB) has increased due to more people smoking
5. lung cancer is increasing because of increased air pollution
Which of the following is most likely to be TRUE about disease trends over the last hundred years in the developed world? [9b-53]
1. heart disease is decreasing due to our more nutritious diet
2. diabetes is increasing because we eat more protein in the form of meat
3. cases of measles have decreased mainly due to better living conditions
4. tuberculosis (TB) has decreased due to better living conditions and vaccination
5. lung cancer is increasing because of increased air pollution
Which of the following is most likely to be TRUE about disease trends over the last hundred years in the developed world? [9b-54]
1. heart disease is decreasing due to our more nutritious diet
2. diabetes is increasing because we eat more protein in the form of meat
3. cases of measles have decreased mainly due to better living conditions
4. tuberculosis (TB) has increased due to more people smoking
5. lung cancer is increasing because more people who can afford to smoke, do smoke
In smoking, which causes cancer? [9b-55]
1. tar
2. carbon monoxide
3. nicotine
4. filter paper
In smoking, which reduces the oxygen in red blood cells? [9b-56]
1. tar
2. carbon monoxide
3. nicotine
4. filter paper
In smoking, which substance is addictive? [9b-57]
1. tar
2. carbon monoxide
3. nicotine
4. filter paper
In smoking, which reduces the amount of harmful substances in the lung? [9b-58]
1. tar
2. carbon monoxide
3. nicotine
4. filter paper
The health and function of which system(s) is generally, and most likely improved by not smoking? [9b-59]
1. respiratory system and circulatory system
2. digestive system
3. circulatory system
4. reproductive system
5. skeletal system and respiratory system
The health and function of which system(s) is generally, and most likely improved by eating vegetables? [9b-60]
1. respiratory system
2. digestive system
3. circulatory system and respiratory system
4. reproductive system
5. skeletal system and circulatory system
The health and function of which system(s) is generally, and most likely improved by reducing fatty foods in a diet? [9b-61]
1. muscle system and skeletal system
2. digestive system
3. circulatory system
4. reproductive system
5. skeletal system
The health and function of which system(s) is generally, and most likely improved by fertility treatment? [9b-62]
1. respiratory system
2. digestive system
3. circulatory system
4. reproductive system
5. skeletal system
The health and function of which system(s) is generally, and most likely improved by a diet containing adequate calcium? [9b-63]
1. respiratory system
2. digestive system
3. circulatory system
4. reproductive system
5. skeletal system
The health and function of which system(s) is generally, and most likely improved by regular exercise? [9b-64]
1. respiratory system and circulatory system
2. digestive system
3. circulatory system and skeletal system
4. reproductive system
5. skeletal system
Which of the following can be caused by too much fat in the diet? [9b-65]
1. excess weight, deposits in arteries, raised blood pressure
2. constipation, poor skin quality
3. rickets - 'bow legged'
4. 'skinny' and 'pot bellied'
Which of the following can be caused by too much salt in the diet? [9b-67]
1. excess weight, deposits in arteries
2. constipation, poor skin quality
3. increased blood pressure
4. 'skinny' and 'pot bellied'
Which of the following can be caused by too little protein in the diet? [9b-68]
1. excess weight, deposits in arteries, raised blood pressure
2. constipation, poor skin quality
3. increased blood pressure
4. 'skinny' and 'pot bellied'
[8c-76] Which of these illegal drugs acts as a hallucinogens?
1. Ecstasy and LSD
2. Heroin and morphine
3. Amphetamine (speed) and methedrine
4. Barbiturates and cannabis
[8c-77] Which of these illegal drugs acts as a painkillers?
1. Ecstasy and LSD
2. Heroin and morphine
3. Amphetamine (speed) and methedrine
4. Barbiturates and cannabis
[8c-78] Which of these illegal drugs acts as a stimulants?
1. Ecstasy and LSD
2. Heroin and morphine
3. Amphetamine (speed) and methedrine
4. Barbiturates and cannabis
[8c-79] Which of these illegal drugs acts as a depressants?
1. Ecstasy and LSD
2. Heroin and morphine
3. Amphetamine (speed) and methedrine
4. Barbiturates and cannabis
[8c-80] Which of the following body's protection from harmful pathogens like bacteria applies to the ear?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-81] Which of the following body's protection from harmful pathogens like bacteria applies to the nose and throat?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-82] Which of the following body's protection from harmful pathogens like bacteria applies to the skin?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-83] Which of the following body's protection from harmful pathogens like bacteria applies to the eyes?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-84] Which of the following body's protection from harmful pathogens like bacteria applies to the stomach?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-85] Which of the following body's protection from harmful pathogens like bacteria applies to urine?
1. Produces wax to trap microbes
2. Produces mucous to trap microbes
3. acts as a barrier to microbes
4. produces fluid containing chemicals to kill microbes
5. produces a strong acid to kill microbes
6. flushes out microbes that enter the genitals
[8c-86] Which of the following descriptions applies to the term bacteria?
1. Microbes that cause diseases like tuberculosis or cholera, can be seen with a light microscope.
2. Extremely small, can only be seen with an electron microscope, cause diseases like influenza.
3. Microorganisms that cause diseases like athletes foot and thrush.
4. Any microscopic organism that can cause you harm if they enter your body.
[8c-87] Which of the following descriptions applies to the term virus?
1. Microbes that cause diseases like tuberculosis or cholera, can be seen with a light microscope.
2. Extremely small, can only be seen with an electron microscope, cause diseases like influenza.
3. Microorganisms that cause diseases like athletes foot and thrush.
4. Any microscopic organism that can cause you harm if they enter your body.
[8c-88] Which of the following descriptions applies to the term fungi?
1. Microbes that cause diseases like tuberculosis or cholera, can be seen with a light microscope.
2. Extremely small, can only be seen with an electron microscope, cause diseases like influenza.
3. Microorganisms that cause diseases like athletes foot and thrush.
4. Any microscopic organism that can cause you harm if they enter your body.
[8c-89] Which of the following descriptions applies to the term pathogen?
1. Microbes that cause diseases like tuberculosis or cholera, can be seen with a light microscope.
2. Extremely small, can only be seen with an electron microscope, cause diseases like influenza.
3. Microorganisms that cause diseases like athletes foot and thrush.
4. Any microscopic organism that can cause you harm if they enter your body.

KS3 biology Quiz: Microbes, diseases, drugs and health issues