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326. Which of the following vitamins is considered to be a hormone ?
A. A
B. B
C. C
D. D
Explanation:
327. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : The process of nuclear fusion produces more energy than nuclear fission.Reason (R) : Nuclear fission is an exothermic process.
A. Both A and R are true but R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
328. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Ozone hole poses serious health hazards for life on the earth. 2. Reason (R) : The CFCs destroy the ozone layer.
A. Both A and R are true but R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
329. Which of the following non-leguminous plants can fix atmospheric nitrogen ? 1. Tomato 2. Alnus 3. Ginkgo
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Explanation:
330. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : When a body is dipped in a liquid fully or partially, there is a decrease in its weight.Reason (R) : The decrease in weight is due to the higher density of the displaced liquid.
A. Both A and R are true but R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
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