Biology Coordination and Control Test Online

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Question 1

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

Answer

Action potential

Answer

Threshold potential

Answer

Depolarization

Answer

Resting potential

Question 2

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

Answer

Transmit visual signals

Answer

Control hormone secretion

Answer

Provide a fast, automatic response to stimuli

Answer

Maintain blood pressure

Question 3

3. The junction between two neurons is called:

Question 4

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

Answer

Spinal cord

Answer

Cerebellum

Answer

Hypothalamus

Question 5

5. What connects the brain to the spinal cord?

Answer

Medulla oblongata

Answer

Cerebellum

Question 6

6. Which gland controls circadian rhythms?

Question 7

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

Answer

Sensory neuron

Answer

Relay neuron

Answer

Interneuron

Answer

Motor neuron

Question 8

8. Which hormone regulates metabolism?

Answer

Adrenaline

Question 9

9. What is a reflex action?

Answer

A learned response

Answer

A slow, conscious movement

Answer

An emotional reaction

Answer

An automatic, involuntary response to a stimulus

Question 10

10. Which part of the neuron receives impulses?

Answer

Node of Ranvier

Question 11

11. Which gland secretes growth hormone?

Question 12

12. What is the function of the medulla oblongata?

Answer

Controls heartbeat and breathing

Answer

Controls memory

Answer

Secretes hormones

Answer

Regulates voluntary movements

Question 13

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

Question 14

14. Which hormone regulates calcium levels in blood?

Answer

Parathyroid hormone

Question 15

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

Answer

Adrenaline

Question 16

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

Answer

Secretion of oxytocin during childbirth

Answer

Sweating to reduce body temperature

Answer

Regulation of calcium levels

Answer

Release of insulin to lower blood sugar

Question 17

17. What is the role of neurotransmitters?

Answer

Transmit nerve impulses across synapse

Answer

Digest food

Answer

Filter blood

Answer

Control reflexes

Question 18

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

Answer

Cerebellum

Answer

Corpus callosum

Question 19

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

Answer

Conduct nerve impulses

Answer

Form myelin sheath in peripheral nerves

Answer

Connect neurons

Answer

Produce cerebrospinal fluid

Question 20

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

Answer

Regulation of body temperature

Answer

Childbirth contractions

Answer

Blood clotting

Question 21

21. Which gland produces adrenaline?

Question 22

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

Answer

White matter

Answer

Dorsal root

Answer

Central canal

Answer

Gray matter

Question 23

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

Answer

Direct feedback

Answer

Negative feedback

Answer

Neutral feedback

Answer

Positive feedback

Question 24

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

Answer

Adrenaline

Question 25

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

Answer

Spinal cord

Answer

Autonomic nervous system

Answer

Somatic nervous system

Question 26

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

Question 27

27. Which hormone increases blood glucose levels?

Question 28

28. Which endocrine gland is located in the brain?

Question 29

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

Answer

Cerebellum

Question 30

30. Which neurotransmitter is used at neuromuscular junctions?

Answer

Acetylcholine

Answer

Noradrenaline

Question 31

31. Which hormone is responsible for stimulating ovulation?

Question 32

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

Answer

Hypothalamus

Answer

Cerebellum

Question 33

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

Answer

Cerebellum

Answer

Hypothalamus

Question 34

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

Answer

Spinal cord

Question 35

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

Answer

Hypothalamus

Answer

Cerebellum

Question 36

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

Question 37

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

Answer

Nourish cells

Answer

Store neurotransmitters

Answer

Filter blood

Answer

Transmit impulses faster

Question 38

38. Where is cerebrospinal fluid found?

Answer

Around the lungs

Answer

In the brain ventricles and spinal canal

Answer

In the kidneys

Answer

Inside blood vessels

Question 39

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

Question 40

40. The hormone insulin is produced by:

Question 41

41. What structure protects the brain?

Answer

Vertebral column

Question 42

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

Question 43

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

Question 44

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

Answer

Occipital lobe

Answer

Parietal lobe

Answer

Temporal lobe

Answer

Frontal lobe

Question 45

45. What does the spinal cord primarily do?

Answer

Transmit messages between body and brain

Answer

Digest food

Answer

Produce hormones

Question 46

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

Answer

Interneuron

Answer

Axonal neuron

Answer

Sensory neuron

Answer

Motor neuron

Question 47

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

Answer

Acetylcholine

Answer

Adrenaline

Question 48

48. Which type of synapse uses neurotransmitters?

Answer

Magnetic synapse

Answer

Chemical synapse

Answer

Mechanical synapse

Answer

Electrical synapse

Question 49

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

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

Biology Coordination and Control Practice Test Online With Explanation

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Malik Tahir

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