| 1. | Posture and balance of the body is controlled by ? | |
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Cerebrum
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Cerebellum
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Medulla oblongata
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Pons
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Report Question| 2. | Which statement is incorrect about auxins ? | |
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They inhibit the growth of root
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They influence the formation of flower and ripening of fruit
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They promote the growth of root
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They promote the growth of shoot
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| 3. | Any change in the environment to which an organism responds is called ? | |
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hormone
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response
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coordination
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stimulus
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| 4. | Which plant hormone promotes dormancy in seeds and buds ? | |
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Cytokinin
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Gibberellin
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Abscisic acid
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Auxin
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| 5. | A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ? | |
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axon
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dendrites
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synapse
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neurotransmitter
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| 6. | Which endocrine gland is also known as ‘master gland’ ? | |
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Hypothalamus
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Pituitary
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Adrenal
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Pancreas
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| 7. | Involuntary actions in the body are controlled by ? | |
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Medulla in spinal cord
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Medulla in hindbrain
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Medulla in midbrain
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Medulla in forebrain
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| 8. | A potted plant kept in a room tends to bend towards the direction of light. This movement is called ? | |
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Photoperiodism
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Photonastism
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Phototropism
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Photographism
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| 9. | People living in coastal areas suffer less from goiter. This is because ? | |
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They bathe in sea water
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They eat sea food
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They drink sea water
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All of the above
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| 10. | The movement of sunflower in accordance with the path of sun is due to ? | |
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Hydrotropism
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Chemotropism
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Geotropism
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Phototropism
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