Class 11 Biology Plant Growth and Development Photoperiodism and Vernalization

Easy

The name 'phytochrome' was given by

A
Mothes
B
Borthwick and Hendricks
C
Sorokin et al.
D
Wickson and Thimann

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Class 11 Questions

Class 11

Biology Questions

Chapter

Plant Growth and Development

Subtopic

Photoperiodism and Vernalization

Similar Questions

Fill in the blanks:
$(1)$ ........ initiate rooting.
$(2)$ The pigment involved in photo-perception in flowering plants is ........

Easy

The wavelength of light absorbed by the $P_r$ form of phytochrome is (in $nm$)

$A$: Only bud or embryo can be vernalized.
$R$: Vernalization requires dividing cells.

Medium

Florigen is synthesized in

Easy

Which light is most effective in inducing seed germination?

Medium

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