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Question 194
A
breakdown of water molecules 
B
reduction of oxygen by hydrogen 
C
reduction of carbon(IV) oxide 
D
combination of water molecules 
Explanation.
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Correct Option:
B
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Question 195
A
promotes aerobic respiration 
B
activate the enzymes 
C
wets the soil for proper germination 
D
protects the seed from disiccation 
Explanation.
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Correct Option:
B
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Question 200
A
with favoured traits become dominant 
B
easily reach their reproductive age 
C
are easily recognised by mates 
D
are better adapted to changes 
Explanation.
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No official Explanation yet!


Correct Option:
A
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