Class 11 Biology Plant Growth and Development Photoperiodism and Vernalization

Easy

$A$ hypothetical chemical involved in the flowering of plants is:

AIPMT 1991 All AIPMT

A
Gibberellin
B
Kinetin
C
Indole acetic acid
D
Florigen

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Class 11 Questions

Class 11

Biology Questions

Chapter

Plant Growth and Development

Subtopic

Photoperiodism and Vernalization

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AIPMT 1991 Paper All AIPMT years →

Similar Questions

Most of the winter flowering plants belong to

Medium

Which of the following is/are example/s of long day plant?
$I.$ Tomato
$II.$ Maize
$III.$ Rice
$IV.$ Radish
Choose the correct option accordingly.

Medium

In some plants,flowering is induced only when the duration of light exposure is less than a critical duration. Such plants are called $...............$.

Easy

The pigment phytochrome is involved in:

$A$ hypothetical 'florigen' could be produced prematurely in a long-day plant by exposing it to:

Difficult

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