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CBSE Class 10 Science MCQs Chapter 7 Control and Coordination

CBSE Class 10 Science MCQs Chapter 7 Control and Coordination are provided in this article to help students in the board exam preparation. By practising these Control and Coordination MCQs, students can easily answer the multiple-choice questions asked in this chapter, which will also help them obtain high scores in the board exams. So, students must first solve these questions and then check their answers, provided here. It will boost their exam preparation and help them attempt the board exams confidently. Also, students can access the CBSE Class 10 Science MCQs for other chapters for their exam preparation. Certainly! Here are 50 MCQs based on the chapter "Control and Coordination" from the 10th CBSE board syllabus, along with the answers provided at the end:


50 MCQs on Control and Coordination:


1. Which system is responsible for control and coordination in the human body?

a) Nervous system

b) Respiratory system

c) Circulatory system

d) Digestive system


2. The basic functional unit of the nervous system is:

a) Neuron

b) Muscle

c) Nephron

d) Blood cell


3. The brain and spinal cord together form the:

a) Central nervous system

b) Peripheral nervous system

c) Autonomic nervous system

d) Sympathetic nervous system


4. The gap between two neurons where the transmission of impulses takes place is called:

a) Synapse

b) Axon

c) Dendrite

d) Myelin sheath


5. Which of the following is a part of the peripheral nervous system?

a) Brain

b) Spinal cord

c) Nerves

d) Sense organs


6. The part of the brain responsible for the regulation of body temperature and hunger is the:

a) Cerebrum

b) Cerebellum

c) Hypothalamus

d) Medulla oblongata


7. The hormone responsible for the fight or flight response in stressful situations is:

a) Insulin

b) Adrenaline

c) Melatonin

d) Thyroxine


8. The white matter in the brain is made up of:

a) Nuclei

b) Neurons

c) Dendrites

d) Myelinated nerve fibers


9. Which of the following senses is NOT controlled by the brain?

a) Vision

b) Smell

c) Taste

d) Touch



10. The nerve cells in the retina that are sensitive to light are called:

a) Rods

b) Cones

c) Neurons

d) Axons


11. The photoreceptor cells responsible for color vision are called:

a) Rods

b) Cones

c) Neurons

d) Ganglia


12. Which part of the ear is responsible for maintaining body balance?

a) Outer ear

b) Middle ear

c) Inner ear

d) Eustachian tube


13. The hormone responsible for the regulation of blood glucose levels is:

a) Thyroxine

b) Adrenaline

c) Insulin

d) Testosterone


14. The disorder caused by the deficiency of insulin in the body is:

a) Diabetes insipidus

b) Diabetes mellitus

c) Cushing's syndrome

d) Addison's disease


15. The hormone responsible for the growth and development of the body is:

a) Thyroxine

b) Insulin

c) Adrenaline

d) Growth hormone


16. The gland that plays a major role in the immune system is the:

a) Adrenal gland

b) Thyroid gland

c) Pancreas

d) Thymus gland


17. The reflex action of blinking of eyes when an object comes close to the eyes is an example of:

a) Monosynaptic reflex

b) Polysynaptic reflex

c) Voluntary action

d) Involuntary action


18. Which of the following is NOT a voluntary action?

a) Walking

b) Writing

c) Breathing

d) Talking


19. The junction between a neuron and a muscle fiber is called:

a) Synapse

b) Neuromuscular junction

c) Neurotransmitter

d) Myelin sheath


20. The part of the brain that controls voluntary movements and coordination is the:

a) Medulla oblongata

b) Cerebellum

c) Thalamus

d) Hypothalamus


21. The hormone responsible for maintaining the calcium level in the blood is:

a) Insulin

b) Thyroxine

c) Parathyroid hormone

d) Growth hormone


22. The structure in the eye that helps in changing the shape of the lens for focusing on near and distant objects is called the:

a) Cornea

b) Iris

c) Ciliary muscle

d) Pupil


23. The hormone responsible for the regulation of the sleep-wake cycle is:

a) Melatonin

b) Adrenaline

c) Insulin

d) Thyroxine



24. The part of the brain responsible for controlling involuntary actions like breathing and heartbeat is the:

a) Cerebrum

b) Cerebellum

c) Medulla oblongata

d) Hypothalamus


25. Which of the following is NOT a function of the hypothalamus?

a) Regulation of body temperature

b) Regulation of hunger and thirst

c) Production of insulin

d) Control of emotions


26. The protective bony structure that encloses the brain is called the:

a) Ribcage

b) Spinal cord

c) Cranium

d) Pelvis


27. The hormone that prepares the body for a "fight or flight" response in stressful situations is:

a) Thyroxine

b) Adrenaline

c) Insulin

d) Melatonin


28. The hormone responsible for the development of male secondary sexual characteristics is:

a) Testosterone

b) Estrogen

c) Progesterone

d) Melatonin


29. Which of the following is NOT a function of the endocrine system?

a) Regulation of metabolism

b) Control of body temperature

c) Maintenance of water and electrolyte balance

d) Regulation of growth and development


30. The hormone that controls the rate of metabolism in the body is:

a) Thyroxine

b) Insulin

c) Adrenaline

d) Melatonin


31. The chemical messengers released by endocrine glands are called:

a) Neurotransmitters

b) Hormones

c) Enzymes

d) Receptors


32. The gland responsible for producing insulin is the:

a) Adrenal gland

b) Thyroid gland

c) Pancreas

d) Thymus gland


33. The part of the brain responsible for interpreting and processing sensory information is the:

a) Cerebrum

b) Cerebellum

c) Medulla oblongata

d) Thalamus


34. The part of the brain responsible for controlling body balance and posture is the:

a) Medulla oblongata

b) Cerebellum

c) Thalamus

d) Hypothalamus


35. Which of the following is NOT a part of the human brain?

a) Cerebrum

b) Cerebellum

c) Hypothalamus

d) Spinal cord


36. The hormones released by the adrenal gland in response to stress are:

a) Estrogen and progesterone

b) Adrenaline and noradrenaline

c) Insulin and glucagon

d) Thyroxine and triiodothyronine


37. The nerve cells that carry information from the sense organs to the central nervous system are called:

a) Interneurons

b) Sensory neurons

c) Motor neurons

d) Reflex neurons


38.


Which of the following is NOT a function of the spinal cord?

a) Reflex actions

b) Carrying sensory information to the brain

c) Carrying motor information from the brain

d) Producing hormones


39. The hormones responsible for the development of female secondary sexual characteristics are:

a) Testosterone

b) Estrogen

c) Progesterone

d) Melatonin


40. The endocrine gland that is often referred to as the "master gland" is the:

a) Adrenal gland

b) Pituitary gland

c) Thyroid gland

d) Thymus gland


41. The hormone that regulates the water balance in the body is:

a) Insulin

b) Thyroxine

c) Antidiuretic hormone (ADH)

d) Growth hormone


42. The hormone responsible for the development of female reproductive structures and secondary sexual characteristics is:

a) Testosterone

b) Estrogen

c) Progesterone

d) Melatonin


43. Which of the following is NOT a sense organ?

a) Eye

b) Skin

c) Brain

d) Ear


44. The part of the eye that contains the photoreceptor cells for vision is the:

a) Cornea

b) Iris

c) Retina

d) Lens


45. The hormone responsible for the regulation of the menstrual cycle and pregnancy is:

a) Testosterone

b) Estrogen

c) Progesterone

d) Melatonin


46. The gland that produces the hormone that controls the rate of metabolism in the body is the:

a) Adrenal gland

b) Thyroid gland

c) Pancreas

d) Thymus gland


47. The hormone that regulates the level of glucose in the blood is:

a) Insulin

b) Thyroxine

c) Growth hormone

d) Melatonin


48. The part of the ear responsible for maintaining body balance is the:

a) Outer ear

b) Middle ear

c) Inner ear

d) Eustachian tube


49. The hormone that prepares the body for a long-term response to stress is:

a) Thyroxine

b) Adrenaline

c) Insulin

d) Cortisol


50. The part of the brain that plays a role in memory and learning is the:

a) Cerebrum

b) Cerebellum

c) Hypothalamus

d) Thalamus



Answers:

1. a) Nervous system

2. a) Neuron

3. a) Central nervous system

4. a) Synapse

5. c) Nerves

6. c) Hypothalamus

7. b) Adrenaline

8. d) Myelinated nerve fibers

9. d) Touch

10. b) Cones

11. b) Cones

12. c) Inner ear

13. c) Insulin

14. b) Diabetes mellitus

15. d) Growth hormone

16. d) Thymus gland

17. b) Polysynaptic reflex

18. c) Breathing

19. b) Neuromuscular junction

20. b) Cerebellum

21. c) Parathyroid hormone

22. c) Ciliary muscle

23. a) Melatonin

24. c) Medulla oblongata

25. b) Regulation of hunger and thirst

26. c) Cranium

27. b) Adrenaline

28. a) Testosterone

29. b) Control of body temperature

30. a) Thyroxine

31. b) Hormones

32. c) Pancreas

33. a) Cerebrum

34. b) Cerebellum

35. d) Spinal cord

36. b) Adrenaline and noradrenaline

37. b) Sensory neurons

38. d) Producing hormones

39. b) Estrogen

40. b) Pituitary gland

41. c) Antidiuretic hormone (ADH)

42. b) Estrogen

43. c) Brain

44. c) Retina

45. c) Progesterone

46. b) Thyroid gland

47. a) Insulin

48. c) Inner ear

49. d) Cortisol

50. a) Cerebrum


I hope you find these questions helpful for your preparation. Good luck with your studies!

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