61.Elephant Pass is located in

62.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Insects are not affected by pesticides.Reason (R) : Insects are killed by pesticides.

63.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) : Deficiency of iodine in diet may produce Myxoederna, a symptom of hypothyroidism. 2. Reason (R) : Deficiency of iodine reduces the secretion of thyrtropic hormone.

64.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Lead is used for shielding of nuclear radiations.Reason (R) : Lead has a high density.

65.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : If a vertical U - tube contains kerosene in one limb and water in the other, at equilibrium, the level of kerosene is higher than that of water.Reason (R) : The pressures on the two limbs of a U - tube being the same, the height of the liquid level depends on its density; the denser the liquid the lesser the height.