class 9 science chapter 6 mcq
26 Making of the nest, is the art acquired by the birds from which of the following?
1. instinct
2. imprinting
3. conditioning
4. imitation
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25 Pacinian receptors are for
1. touch
2. pressure
3. temperature
4. all
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24 Which is the largest organ of the human body?
1. heart
2. lungs
3. intestine
4. skin
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23 Cutaneous receptors are responsible for
1. sense of touch
2. sense of taste
3. sense of vision
4. sense of smell
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