Multiple choice

Which of the following are examples of photoreceptors?

  1. Phototropin
  2. Phytochrome
  3. Cryptochrome

Select the correct answer using codes given below:

  1. 1 and 2

  2. 1 and 3

  3. 2 and 3

  4. 1, 2 and 3

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phototropins are photoreceptor proteins that mediate phototropism responses in higher plants. Phytochrome is a photoreceptor, a pigment that plants use to detect light. Cryptochromes are a class of photoreceptors that are sensitive to blue light.