class 7 science 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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22 Fungi form papillae are
1. flake like structures
2. roundish structures
3. back of tongue round structures
4. hairy substances
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21 On the sides of the tongue, the bump like structures are
1. filiform papillae
2. fungiform papillae
3. cicumvallate papillae
4. foliate papillae
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20 Olfactory receptors are present in
1. mucous membrane
2. eustachian tube
3. chorid
4. taste buds
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19 Saccules is
1. the anterior part of the vertibule
2. the posterior part of the vertibule
3. the portion of scala vertibulli
4. the bacillary membrane
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18 Auditory meatus is
1. eardrum
2. ear ossicles
3. ear canal
4. cochlea
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17 What is called the clean window of the eye?
1. cornea
2. pupil
3. lens
4. retina
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