Phytochrome is involved in:
Correct answer: C. Photoperiodism
- A. Phototropism
- B. Photorespiration
- C. Photoperiodism
- D. Geotropism
Explanation
c) : Phytochrome is a photoreceptor molecule which mediates several developmental and morphogenetic responses of plants to light. This is called photoperiodism. Borthwick, Hendicks and Parker in 1952, discovered phytochrome, which is a pigment that received light and existed in two inter convertible forms: active form and inactive form.
Last updated
Related questions
A bean seed contains all of the following EXCEPT:
A chemical believed to be involved in flowering is :
A few normal seedlings of tomato were kept in a dark room. After a few days, they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?
A narrow layer of thin-walled cells found between the phloem/bark and wood of a dicot is:
A pigment which absorbs red and farred light is :