Recently Active Biology Questions

Coronary artery disease is caused by deposits of (a) potassium (b) calcium (c) sodium (d) none of these ...

A married young man of 25 years is not having a child. The possible reason for this is (a) lack of testosterone (b) lack of progesterone (c) excess of progesterone (d) excess activity of pituitary gland ...

What is the primary source of nitrogen oxides? (a) burning coal (b) burning wood (c) burning fossil fuels (d) industries ...

Fossil 'X' can be considered to have evolved earlier than fossil 'Y' if fossil (a) 'Y' has vestigial structures that are homologous to functional structures in fossil 'X'. (b) 'Y' is structurally more complex than fossil 'X'. ...

Give two examples of each of the following and their specific usefulness in the body: (i) monosaccharides (ii) disaccharides (iii) polysaccharides ...

Golden brown algae are called: Diatoms (2) Volvox (3) Ectocarpus (4) Polysiphonia ...