Which one among the following nutrients is a structural component of the cell wall of plants?

Which one among the following most correctly determines the atomic number of an element?

Which one among the following cell organelles is semi-permeable?

Which one among the following cell organelles is semi-permeable?

AIDS is caused by Human immunodefifiency Virus (HIV) which is

Consider the following statements regarding osmosis in animal cells:

1. If the water potential of the solution surrounding the cell is too high, the cell shrinks.
2. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
3. It is important to maintain a constant water potential inside the animal body.
4. In animal cells, water potential far exceeds the solute potential.

Which of the statements given above is/are correct?