The term anemia means:

At the time of extensive physical exercise, the heart beat in a man is the maximum. In an average man this is:

Normal members of a particular species all have the same number of chromosomes. How many chromosomes are found in the cells of human beings?

Human beings deprived of all sources of a particular vitamin will enventually suffer from disease symptoms specific to that vitamin. Among the following which pair is incorrect?

Among the following infectious disease listed which one is not a viral disease?

Which one of the following items is not normally an important requisite for agriculture?