36.The human body is immune to which of the following diseases ?

37.Which of the following is known as the queen of spices ?

38.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) : Red light is generally used as a caution symbol.Reason (R) : It has a longer wavelength.

39.The main constituents of biogas are

40.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) : Seeds should be treated with fungicides before sown. 2. Reason (R) : Seeds do nto germinate, unless treated with fungicide solution.