Time Left:
600
sec
1. Voluntary actions are controlled by
A. Spinal cord
B. Hind-brain
C. Fore-brain
D. Medulla
2. Involuntary actions like heartbeat are controlled by
A. Medulla
B. Cerebellum
C. Cerebrum
D. Pituitary
3. Reflex action is
A. Voluntary and slow
B. Involuntary and fast
C. Voluntary and fast
D. Conscious and slow
4. Example of reflex action is
A. Walking
B. Reading
C. Pulling hand away from flame
D. Dancing
5. Chemical coordination in plants is done by
A. Neurons
B. Hormones
C. Proteins
D. Sugars
6. Which plant hormone inhibits growth?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Abscisic acid
7. Phototropism is response of plants towards
A. Light
B. Water
C. Gravity
D. Chemicals
8. Hydrotropism is response to
A. Light
B. Water
C. Chemicals
D. Gravity
9. Which tissue finally performs movement in animals?
A. Nervous tissue
B. Connective tissue
C. Muscle tissue
D. Epithelial tissue
10. Muscle contraction occurs due to
A. Carbohydrates
B. Special proteins
C. Sugars
D. Lipids
11. Smell of agarbatti is detected by
A. Olfactory receptors
B. Gustatory receptors
C. Thermoreceptors
D. Photoreceptors
12. Fore-brain includes
A. Cerebellum
B. Medulla
C. Cerebrum
D. Pons
13. In case of spinal cord injury, disrupted signals are
A. Hormonal signals
B. Nerve signals to and from brain
C. Muscle signals
D. Chemical signals only
14. Coordination in animals is achieved by
A. Only nervous system
B. Only hormones
C. Both nervous system and hormones
D. Only brain
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