Biology 2012 | Study Mode

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Question 41
A
mitochondrion
B
cell wall
C
endoplasmic reticulum
D
nucleus
Explanation

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Correct option: C
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Question 42
A
I
B
II
C
III
D
IV
Explanation

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Correct option: D
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Question 43
A
release of oxygen
B
intake of carbon (IV) oxide
C
movement of photosynthates
D
movement of nutrients
Explanation

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Correct option: A
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Question 44
A
IV
B
III
C
II
D
I
Explanation

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Correct option: C
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Question 45
A
produce egg cells
B
protect sperms during fertilization
C
secrete hormones during coitus
D
protect the developing embryo
Explanation

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Correct option: A
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Question 46
A
the highest frequency for height of 2 metres
B
a discontinuously varying character
C
a continuously varying character
D
total yield in a cassava farm
Explanation

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Correct option: B
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Question 47
A
1.4m
B
1.6m
C
1.8m
D
2.0m
Explanation

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Correct option: B
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Question 48
A
interspecific competition
B
intraspecific competition
C
mutualism
D
cooperation
Explanation

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Correct option: A
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Question 49
A
P aurelia is better adapted for obtaining food than P caudatum
B
P caudatum is better adapted for obtaining food than P. aurelia
C
both organisms cannot coexist
D
both organisms cannot reproduce
Explanation

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Correct option: C

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