Biology Coordination and Control Test Online

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Question 1

1. Which gland controls circadian rhythms?

Question 2

2. What is the basic structural and functional unit of the nervous system?

Answer

Spinal cord

Question 3

3. Which gland secretes growth hormone?

Question 4

4. The hormone insulin is produced by:

Question 5

5. Which lobe of the cerebrum is responsible for vision?

Question 6

6. What is the function of the medulla oblongata?

Answer

Secretes hormones

Answer

Regulates voluntary movements

Answer

Controls heartbeat and breathing

Answer

Controls memory

Question 7

7. Where is cerebrospinal fluid found?

Answer

In the kidneys

Answer

Inside blood vessels

Answer

Around the lungs

Answer

In the brain ventricles and spinal canal

Question 8

8. Which part of the brain is involved in speech and decision making?

Answer

Parietal lobe

Answer

Temporal lobe

Answer

Frontal lobe

Answer

Occipital lobe

Question 9

9. What carries nerve impulses away from the cell body?

Question 10

10. Which hormone is involved in the "fight or flight" response?

Answer

Adrenaline

Question 11

11. What is the function of myelin sheath in a neuron?

Answer

Nourish cells

Answer

Store neurotransmitters

Answer

Filter blood

Answer

Transmit impulses faster

Question 12

12. Which neurotransmitter is primarily associated with mood and emotion?

Answer

Adrenaline

Answer

Acetylcholine

Question 13

13. Which part of the brain controls body temperature and hunger?

Answer

Cerebellum

Answer

Hypothalamus

Question 14

14. Which of the following is an example of negative feedback?

Answer

Regulation of body temperature

Answer

Blood clotting

Answer

Childbirth contractions

Question 15

15. Which endocrine gland is located in the brain?

Question 16

16. Where does the transmission of nerve impulse between neurons occur?

Question 17

17. What structure connects the two hemispheres of the brain?

Answer

Corpus callosum

Answer

Cerebellum

Question 18

18. What is the role of neurotransmitters?

Answer

Digest food

Answer

Transmit nerve impulses across synapse

Answer

Filter blood

Answer

Control reflexes

Question 19

19. Which type of neuron carries impulses from sense organs to the central nervous system?

Answer

Relay neuron

Answer

Interneuron

Answer

Motor neuron

Answer

Sensory neuron

Question 20

20. Which part of the neuron transmits impulses to other neurons?

Question 21

21. What is the primary function of the reflex arc?

Answer

Control hormone secretion

Answer

Provide a fast, automatic response to stimuli

Answer

Maintain blood pressure

Answer

Transmit visual signals

Question 22

22. Which hormone is responsible for stimulating ovulation?

Question 23

23. What connects the brain to the spinal cord?

Answer

Cerebellum

Answer

Medulla oblongata

Question 24

24. What is the term for the minimum stimulus required to generate a nerve impulse?

Answer

Depolarization

Answer

Action potential

Answer

Resting potential

Answer

Threshold potential

Question 25

25. The junction between two neurons is called:

Question 26

26. Which part of the brain controls balance and coordination?

Answer

Cerebellum

Answer

Hypothalamus

Question 27

27. What is the role of Schwann cells in neurons?

Answer

Produce cerebrospinal fluid

Answer

Connect neurons

Answer

Conduct nerve impulses

Answer

Form myelin sheath in peripheral nerves

Question 28

28. Which brain part acts as a relay center for sensory impulses?

Answer

Cerebellum

Question 29

29. Which hormone regulates metabolism?

Answer

Adrenaline

Question 30

30. Which neurotransmitter is used at neuromuscular junctions?

Answer

Acetylcholine

Answer

Noradrenaline

Question 31

31. Which hormone increases blood glucose levels?

Question 32

32. What structure protects the brain?

Answer

Vertebral column

Question 33

33. Which of the following is an example of a positive feedback mechanism?

Answer

Secretion of oxytocin during childbirth

Answer

Release of insulin to lower blood sugar

Answer

Sweating to reduce body temperature

Answer

Regulation of calcium levels

Question 34

34. What does the spinal cord primarily do?

Answer

Produce hormones

Answer

Digest food

Answer

Transmit messages between body and brain

Question 35

35. Which hormone regulates calcium levels in blood?

Answer

Parathyroid hormone

Question 36

36. Which hormone is released when blood sugar levels rise?

Answer

Adrenaline

Question 37

37. Which type of neuron connects sensory and motor neurons?

Answer

Interneuron

Answer

Motor neuron

Answer

Axonal neuron

Answer

Sensory neuron

Question 38

38. What is a reflex action?

Answer

An emotional reaction

Answer

An automatic, involuntary response to a stimulus

Answer

A learned response

Answer

A slow, conscious movement

Question 39

39. Which part of the spinal cord is responsible for reflex actions?

Answer

Gray matter

Answer

White matter

Answer

Dorsal root

Answer

Central canal

Question 40

40. Which type of synapse uses neurotransmitters?

Answer

Mechanical synapse

Answer

Electrical synapse

Answer

Chemical synapse

Answer

Magnetic synapse

Question 41

41. Which part of the nervous system is responsible for reflex actions?

Answer

Spinal cord

Answer

Hypothalamus

Answer

Cerebellum

Question 42

42. Which gland produces adrenaline?

Question 43

43. Which part of the brain is responsible for higher-level thinking and decision-making?

Answer

Hypothalamus

Answer

Cerebellum

Question 44

44. Which gland is known as the "master gland"?

Question 45

45. Which hormone is released by the pituitary to stimulate thyroid hormone production?

Question 46

46. Which part of the nervous system controls voluntary actions?

Answer

Somatic nervous system

Answer

Spinal cord

Answer

Autonomic nervous system

Question 47

47. What is the resting potential of a typical neuron?

Question 48

48. Which feedback mechanism works to reverse a change and maintain balance?

Answer

Direct feedback

Answer

Neutral feedback

Answer

Positive feedback

Answer

Negative feedback

Question 49

49. Which part of the neuron receives impulses?

Answer

Node of Ranvier

Question 50

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Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Biology Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Biology Interview Question Answer Universities Entrance Test

Biology Coordination and Control Test Online

Important Biology Coordination and Control Question and Answer

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Important Biology Coordination and Control Question and Answer

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