Plant Growth and DevelopmentHard

Question

Proteinaceous pigmetnt which control activites concerned with light

Options

A.phytochrome
B.chlorophyll
C.anthocyanin
D.carothenoids

Solution

Phytochromes are the plant chromoproteins, containing protein pigment pigment existing in two inter-convertible forms - Pr (absorbs red light-660 nm) and Pfr (absorbs far red light -730 nm.) It controls flowering, essd dormancy etc.

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