Q. Which vitamin is primarily involved in vision? (2020)
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A.
Vitamin A
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B.
Vitamin C
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C.
Vitamin D
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D.
Vitamin E
Solution
Vitamin A is essential for the formation of rhodopsin, a pigment in the retina that is crucial for vision.
Correct Answer: A — Vitamin A
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Q. Which vitamin is primarily obtained from citrus fruits? (2021)
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A.
Vitamin A
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B.
Vitamin B12
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C.
Vitamin C
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D.
Vitamin D
Solution
Vitamin C is abundant in citrus fruits like oranges, lemons, and grapefruits.
Correct Answer: C — Vitamin C
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Q. Which wavelength of light is most effective for photosynthesis? (2020)
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A.
Green light
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B.
Red light
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C.
Blue light
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D.
Yellow light
Solution
Blue light is most effective for photosynthesis as it is absorbed strongly by chlorophyll.
Correct Answer: C — Blue light
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Q. Who is known as the father of taxonomy? (2019)
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A.
Charles Darwin
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B.
Carl Linnaeus
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C.
Gregor Mendel
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D.
Louis Pasteur
Solution
Carl Linnaeus is known as the father of taxonomy for developing the system of naming organisms using binomial nomenclature.
Correct Answer: B — Carl Linnaeus
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