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Which of the following statements are true ?
(I) Changing environmental conditions such as light, temperature also helps to overcome dormancy
(II) The duration of critical photo period is same for all plants
(III) Vernalisation prevents precocious reproductive development late in growing season
(IV) For flowering, duration of light period is more important than dark period

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An Intiative by Sri Chaitanya

I, IV

I, II

III, IV

I, III

answer is D.

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Detailed Solution

Critical photo period variable, dark period is also of equal importance.

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