Q. Which vitamin is essential for blood clotting? (2023)
-
A.
Vitamin K
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B.
Vitamin E
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C.
Vitamin A
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D.
Vitamin D
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer: A — Vitamin K
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Q. Which vitamin is known to be a coenzyme in carbohydrate metabolism? (2019)
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A.
Vitamin A
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B.
Vitamin B1
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C.
Vitamin C
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D.
Vitamin D
Solution
Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of carbohydrates.
Correct Answer: B — Vitamin B1
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Q. Which vitamin is primarily absorbed in the ileum of the small intestine? (2023)
-
A.
Vitamin A
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B.
Vitamin B12
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C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin B12 is primarily absorbed in the ileum of the small intestine.
Correct Answer: B — Vitamin B12
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Q. Which vitamin is primarily absorbed in the ileum? (2020)
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin B12 is primarily absorbed in the ileum of the small intestine.
Correct Answer: B — Vitamin B12
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Q. Which vitamin is primarily absorbed in the small intestine? (2023)
-
A.
Vitamin A
-
B.
Vitamin C
-
C.
Vitamin B12
-
D.
Vitamin K
Solution
Vitamin B12 is primarily absorbed in the small intestine, specifically in the ileum.
Correct Answer: C — Vitamin B12
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Q. Which vitamin is primarily involved in vision? (2020)
-
A.
Vitamin A
-
B.
Vitamin C
-
C.
Vitamin D
-
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)
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
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 least effective for photosynthesis? (2022)
-
A.
Red light
-
B.
Blue light
-
C.
Green light
-
D.
Yellow light
Solution
Green light is least effective for photosynthesis because it is mostly reflected by chlorophyll.
Correct Answer: C — Green light
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Q. Which wavelength of light is most effective for photosynthesis? (2020)
-
A.
Green light
-
B.
Red light
-
C.
Blue light
-
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)
-
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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