Vernalisation can be replaced by the action of

Cytokinin

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Auxin

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Gibberellin

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Ethylene

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Solution

The correct option is C
Gibberellin

Gibberellin as substitute for vernalization. Many plants which require cold treatment also require proper photoperiodic treatment for the induction of flowers, without which vernalization does not have any effect. If such plants are treated with gibberellins, they produce flowers without subjecting the plants to cold and photoperiodic treatments. For example, Henbane is a rosette leaved long day plant which requires cold treatment for flowering. If such untreated plants are sprayed with GAs, the plants produce flowers.

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Similar questions

Auxin, Cytokinin and Ethylene are examples of:

Identify the pair that is correctly matched from the given.

Auxin – cell division
Gibberellin – internodal elongation
Cytokinin – fruit ripening
Ethylene – apical dominance

Q. Vernalisation can often be replaced by ______________.

Question 03:

The effect of apical dominance can be overcome by which of the following hormone?
(a) IAA
(b) Ethylene
(c) Gibberellin
(d) Cytokinin

Match the following columns
$\begin{matrix} C o l u m n I & C o l u m n I I A . & H u m a n u r i n e & 1. & C y t o k i n i n B . & G i b b e r e l l a f u j i k u r o i & 2. & A u x i n C . & H e r r i n g f i s h D N A & 3. & E t h y l e n e D . & R i p e n i n g o f f r u i t s & 4. & A b s c i s i c a c i d E . & A g e d l e a v e s o f p l a n t s & 5. & G i b b e r e l l i n s \end{matrix}$

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