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- 1. Multiple Choice
Which of the following is an example of a non-infectious disease?
Polio caused by a virus
Cholera caused by a bacterium
Wheat rust caused by a fungus
Haemophilia caused by a gene mutation
- 2. Multiple Choice
What does the body produce in response to a vaccine?
Antigens
Antibiotics
Antibodies
Activated toxins
- 3. Multiple Choice
Which of the following is part of the innate immune response?
Antibodies
Phagocytes
Stomach acid
B lymphocytes
- 4. Multiple Choice
How does the cochlear implant assist people with severe hearing loss?
It amplifies sound.
It stimulates the ear drum.
It stimulates the auditory nerve.
It amplifies vibrations in the cochlea.
- 5. Multiple Choice
Which of the following is an advantage for animals using internal fertilisation rather than external fertilisation?
It prevents dehydration of gametes.
It involves large numbers of gametes.
It relies on adaptations such as mating rituals
It allows gametes to combine to form unique offspring.
- 6. Multiple Choice
A group of islands are separated from each other by large stretches of water. Each island has its own policy on quarantine. A nearby country is experiencing an outbreak of an infectious disease in its cattle. An investigation is to be designed to find which of the quarantine policies operating on the islands is the most effective.
Which of the following would be a suitable design feature of the investigation?
The control is the smallest island.
The control is the number of infected cattle.
The independent variable is quarantine policy.
The independent variable is the number of infected cattle.
- 7. Multiple Choice
Which of the following is always true of a mutation that produces a dominant allele?
It will be lethal in a population.
It will be expressed in heterozygous individuals.
It will only be expressed in homozygous individuals.
It will spread more quickly through the population than a recessive allele.
- 8. Multiple Choice
A
B
C
D
- 9. Multiple Choice
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B
C
D
- 10. Multiple Choice
A
B
C
D
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