Yellow colour of urine occurs due to presence of

Which of the following statements with reference to 'blood' is/are correct? 1. Blood is composed of plasma and different types of cells. 2. The presence of haemoglobin makes blood appear red.

Which of the following natural substances contains iron (Fe)?

In which organisms does spore formation occur as a mode of reproduction?

Which of the following carries oxygenated blood?

Consider the following statements in relation to respiration in animals: I. Glucose breaks down into pyruvate in the cytoplasm of all cells in both aerobic and anaerobic conditions. II. The energy re…