Which one of the following is a modified stem?

Fat present below the skin surface in our body, acts as a barrier against

Which of the following professional (s) are more likely to run the risk of a permanent change in their cell’s DNA? I. Researchers using carbon-14 isotope II. X-ray technician III. Coal miner IV. Dyer …

Which one of the following is not an essential micronutrient for plants?

Of the four landmarks in medical history given below, which one was the first to take place?

Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

Match List I with List II and select the correct answer by using codes given below the lists: List I I. Vitamin A) Pepsin II. Enzyme B) Carotene III. Hormone C) Keratin IV. Protein D) Progesterone Cod…