Phytochrome becomes active in

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Phytochrome is a photoreceptor pigment that exists in two interconvertible forms: $Pr$ (inactive form) and $Pfr$ (active form).$Pr$ absorbs red li

Vedclass · Accepted Answer

Red light

Vedclass · Answer

(C) Phytochrome is a photoreceptor pigment that exists in two interconvertible forms: $Pr$ (inactive form) and $Pfr$ (active form).$Pr$ absorbs red light (wavelength $660 \ nm$) and gets converted into the active $Pfr$ form.$Pfr$ absorbs far-red light (wavelength $730 \ nm$) and gets converted back into the inactive $Pr$ form.Therefore,phytochrome becomes active in the presence of red light.

Similar Questions

Cucumber and tomato are the examples of

Assertion: Photomodulation of flowering is a phytochrome regulated process.
Reason: Active form of phytochrome $(P_{FR})$ directly induces floral induction in shoot buds.

There are many plants that do not show any correlation between exposure to light duration and the induction of flowering. Such plants are called $..........$.

Phytochrome is a

In short-day plants,flowering is induced by:

Vedclass Test Series

Exam Paper Generator

Online Exam Module