MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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Correct Answer: A. Heritable variation affecting reproductive success
Explanation:
Selection acts on heritable variation linked to differential reproduction.
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Correct Answer: C. Chloroplast
Explanation:
Chloroplasts contain the photosynthetic machinery.
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Correct Answer: B. B lymphocytes
Explanation:
Activated B cells can become plasma cells.
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Correct Answer: C. Large surface area and thin walls
Explanation:
Large area, thin barriers and perfusion support gas exchange.
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Correct Answer: B. Osmosis
Explanation:
Osmosis is the net movement of water across a selectively permeable membrane.
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Correct Answer: B. Osmosis
Explanation:
Osmosis is the net movement of water across a selectively permeable membrane.
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Correct Answer: C. 45
Explanation:
The sum is 3(1+…+5)=3×15=45.
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Correct Answer: C. 24i + 18j
Explanation:
Scalar multiplication multiplies every component.
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Correct Answer: D. 76
Explanation:
f′(x)=10x+6; substitute x=7.
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Correct Answer: B. 400
Explanation:
An antiderivative is 6x²+2x, giving 400.
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Correct Answer: D. log(8)
Explanation:
log x + log y = log(xy).
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Correct Answer: C. 31381059609
Explanation:
Repeated multiplication gives 31381059609.
