If the red blood cells (RBCs) of human blood are isolated and are diluted in normal saline (an isotonic solution to blood), what will happen to the RBCs?
- A. The RBCs will swell
- B. The RBCs will swell and burst
- C. The RBCs will shrink
- D. No change in the diameters of the RBCs ✓
Correct Answer: D. No change in the diameters of the RBCs
Explanation
In an isotonic solution, the concentration of solutes is equal inside and outside the cell. There is no net movement of water, so the RBCs maintain their normal size and shape.
Related questions on Biology
- Which one among the following is the <strong>CORRECT</strong> scheme followed for classification of animals?
- Which one of the following is an example of airborne disease?
- What are the four human blood types in ABO blood group typing?
- Which one of the following is <strong>NOT</strong> a part of the male reproductive system in human beings?
- Which of the following are the different parts of a human brain?