Biology (2016) | Study Mode

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Question 31
A
ensure cross-breeding between members of one colony and another 
B
disperse the reproductives in order to establish new colonies 
C
provide abundant food for birds and other animals during the early rains 
D
expel the reproductives so as to provide enough food for other members 
Explanation.
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Correct Option:
B
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Question 33
A
puterfying bacteria 
B
nitrogen-fixing bacteria 
C
nitrifying bacteria 
D
denitrifying bacteria 
Explanation.
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Correct Option:
D
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Question 35
A
liver of humans 
B
reticuloendothelial cells of humans 
C
Malphigian tubules of mosquito 
D
brain of humans 
Explanation.
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Correct Option:
A
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Question 40
A
free-central placentation 
B
axile placentation 
C
parietal placentation 
D
marginal placentation 
Explanation.
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Correct Option:
C
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