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Question 163
A
store food for the young plant 
B
pull the young shoot above the ground 
C
store water for the seedling 
D
protect the young plumule 
Explanation.
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Correct Option:
D
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Question 166
A
equalize pressure on both sides of the tympanum 
B
conduct sound waves to the brain 
C
help the animal maintain balance or posture 
D
transform sound waves into electric impulses 
Explanation.
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Correct Option:
A
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Question 167
A
Withdrawing the hand from a hot object 
B
The mouth getting watery when food is sighted 
C
yawning owing to tiredness 
D
shivering in a cold environment 
Explanation.
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No official Explanation yet!


Correct Option:
D
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