Q. With reference to color blindness, consider the following statements:
1.Rod cells in the eye help in detecting color.
2.Colour blindness cannot be reversed.
Which of the statements given above is/are correct?
Answer: B
Notes:
Statement 1 is incorrect: Two types of cells in the retina detect light:
- Rod cells: These help in distinguishing between light and dark.
- Cone cells: These help in detecting colour.
Statement 2 is correct: Colour blindness cannot be reversed. However, it can be corrected to some extent by wearing special contact lenses or colour filter glasses.
Source: Indian Express
