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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