25 multiple-choice questions (MCQs) based on the chapter "Control and Coordination" from Class 10 NCERT (CBSE board) without answers:
FIRST CHECK YOUR LEVEL THEN SEE THE ANSWERS: CLICK HERE :ANSWERS:
1. *Which part of the brain controls voluntary actions?*
- a) Medulla
- b) Cerebrum
- c) Cerebellum
- d) Pons
2. *The reflex actions are controlled by:*
- a) Brain
- b) Spinal cord
- c) Heart
- d) Kidneys
3. *Which of the following is not a plant hormone?*
- a) Auxin
- b) Gibberellin
- c) Insulin
- d) Cytokinin
4. *The hormone responsible for regulating blood sugar levels is:*
- a) Insulin
- b) Thyroxine
- c) Adrenaline
- d) Estrogen
5. *Which part of the brain controls involuntary actions such as heart rate and breathing?*
- a) Cerebrum
- b) Cerebellum
- c) Medulla
- d) Thalamus
6. *The plant hormone responsible for cell elongation is:*
- a) Auxin
- b) Ethylene
- c) Cytokinin
- d) Gibberellin
7. *Which of the following is the correct pathway of a reflex action?*
- a) Brain → Motor Neuron → Muscle
- b) Spinal Cord → Sensory Neuron → Brain
- c) Receptor → Sensory Neuron → Spinal Cord → Motor Neuron → Effector
- d) Muscle → Spinal Cord → Brain
8. *Which of the following hormones is secreted by the thyroid gland?*
- a) Adrenaline
- b) Thyroxine
- c) Insulin
- d) Testosterone
9. *Which hormone is called the "fight or flight" hormone?*
- a) Thyroxine
- b) Insulin
- c) Adrenaline
- d) Glucagon
10. *What is the function of the cerebellum?*
- a) Controls voluntary actions
- b) Maintains balance and posture
- c) Controls breathing
- d) Controls heartbeat
11. *Which hormone promotes fruit ripening in plants?*
- a) Auxin
- b) Ethylene
- c) Cytokinin
- d) Gibberellin
12. *Which hormone is responsible for the regulation of water and salt balance in the body?*
- a) Thyroxine
- b) Insulin
- c) Vasopressin (ADH)
- d) Oxytocin
13. *The gap between two neurons is called:*
- a) Synapse
- b) Dendrite
- c) Axon
- d) Cell body
14. *Which plant hormone helps in breaking seed dormancy and promoting germination?*
- a) Auxin
- b) Gibberellin
- c) Cytokinin
- d) Abscisic Acid
15. *Which of the following controls reflex actions?*
- a) Brain
- b) Spinal cord
- c) Cerebellum
- d) Hypothalamus
16. *Which of the following is the main excretory organ in humans?*
- a) Liver
- b) Lungs
- c) Kidneys
- d) Skin
17. *What is the function of insulin in the body?*
- a) Stimulates growth
- b) Regulates calcium levels
- c) Regulates blood sugar levels
- d) Increases heart rate
18. *Which of the following is a growth-promoting hormone in plants?*
- a) Abscisic Acid
- b) Cytokinin
- c) Auxin
- d) Ethylene
19. *Which part of the neuron receives the impulse first?*
- a) Axon
- b) Dendrites
- c) Cell body
- d) Synapse
20. *Which of the following is a tropic movement in plants?*
- a) Nastic movement
- b) Phototropism
- c) Hydrotropism
- d) Geotropism
21. *Which of the following is responsible for regulating metabolism in the body?*
- a) Adrenaline
- b) Thyroxine
- c) Insulin
- d) Glucagon
22. *The pituitary gland is also known as:*
- a) Master gland
- b) Thyroid gland
- c) Adrenal gland
- d) Salivary gland
23. *Which of the following processes involves the movement of plant roots towards water?*
- a) Geotropism
- b) Phototropism
- c) Hydrotropism
- d) Chemotropism
24. *Which hormone is responsible for the contraction of the uterus during childbirth?*
- a) Oxytocin
- b) Vasopressin
- c) Insulin
- d) Adrenaline
25. *Which part of the brain is involved in processing sensory information?*
- a) Cerebellum
- b) Medulla
- c) Thalamus
- d) Hypothalamus
These questions are based on key concepts from the "Control and Coordination" chapter, covering the nervous system, endocrine system, hormones, and plant tropic movements.
No comments:
Post a Comment