MCQ-4: Coordination and Response
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Question 1 of 20
1. Question1 point(s)
Which row shows the function of rod cells?
sensitivity to light
give colour vision A ✔ ✔ B ✔ x C x ✔ D x xCorrectIncorrect
Question 2 of 20
2. Question1 point(s)
A student begins to lose control of her bicycle while travelling down a hill at speed.
The concentration of which substance will begin to increase rapidly in her blood?CorrectIncorrect
Question 3 of 20
3. Question1 point(s)
Which process occurring at a synapse is prevented by the presence of heroin?CorrectIncorrect
Question 4 of 20
4. Question1 point(s)
The diagram shows the structure of the eye.
Which structure refracts light?CorrectIncorrect
Question 5 of 20
5. Question1 point(s)
A student used two seedlings X and Y to investigate phototropism.
The diagram shows their investigation.
Which statement explains the difference in results between X and Y?CorrectIncorrect
Question 6 of 20
6. Question1 point(s)
The diagram shows part of the mechanism that controls blood sugar concentration.
A person does one hour of exercise.
Starting with the pancreas, what is the sequence of events in which the hormone glucagon is involved?CorrectIncorrect
Question 7 of 20
7. Question1 point(s)
What does the central nervous system consist of?CorrectIncorrect
Question 8 of 20
8. Question1 point(s)
What is a response to a low concentration of glucose in the blood?CorrectIncorrect
Question 9 of 20
9. Question1 point(s)
The diagram shows the appearance of the iris and pupil in three different light conditions.
Which row shows the size of the pupil of the eye in each light condition?
A 1 2 3 B 1 3 2 C 2 1 3 D 3 2 1CorrectIncorrect
Question 10 of 20
10. Question1 point(s)
In a mammal, body temperature is regulated by negative feedback.
As a result of negative feedback, what happens in the mammal’s body as the temperature of the external environment decreases?CorrectIncorrect
Question 11 of 20
11. Question1 point(s)
The neurones at synapses contain vesicles.
Which type of substance is found inside the vesicles?CorrectIncorrect
Question 12 of 20
12. Question1 point(s)
The diagram shows the muscles that control the size of the pupil in an eye.
How do the muscles make the pupil smaller?
circular muscles radial muscles A contract contract B contract relax C relax contract D relax relaxCorrectIncorrect
Question 13 of 20
13. Question1 point(s)
More adrenaline is produced by the adrenal glands when a person is frightened.
This increase affects several parts of the body.
change increases decreases 1 blood glucose concentration x ✔ 2 heart rate ✔ x 3 breathing rate and depth ✔ x 4 dilation of pupil x ✔
x = no
Which rows are correct?CorrectIncorrect
Question 14 of 20
14. Question1 point(s)
Lactic acid builds up in the muscles during vigorous exercise.
During recovery, how is this lactic acid removed?CorrectIncorrect
Question 15 of 20
15. Question1 point(s)
Which process transmits an impulse across a synapse?CorrectIncorrect
Question 16 of 20
16. Question1 point(s)
The diagram shows the shoot and root of a seedling responding to gravity.
Which row shows where the auxin accumulates and the effect of this in the shoot?
accumulates effect A lower surface inhibits cell elongation B lower surface promotes cell elongation C upper surface inhibits cell division D upper surface promotes cell divisionCorrectIncorrect
Question 17 of 20
17. Question1 point(s)
The diagram shows a synapse.
Heroin is a drug that can bind with receptors in a synapse.
What is the most likely effect heroin will have on the synapse?CorrectIncorrect
Question 18 of 20
18. Question1 point(s)
In a plant shoot, where is auxin made and what is its effect?
where made effect A leaves promotes cell division B leaves promotes cell elongation C shoot tip promotes cell division D shoot tip promotes cell elongationCorrectIncorrect
Question 19 of 20
19. Question1 point(s)
A boy accidentally touches a very hot object and immediately takes his hand away.
In this reflex action, what is the effector?CorrectIncorrect
Question 20 of 20
20. Question1 point(s)
Compared to the hormonal system, the responses of the nervous system areCorrectIncorrect