1.

Assertion: Vernalization is a treatment to plant given artifically. Reason : Vernalization is perceived by whole plant.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion.B. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If the assertion and reason is false but reason is true

Answer» Correct Answer - B
(b) Many plant do not came to flower before they experience a low temperature. These plants remain vegetative during the warm season, receive low temperature during winter, grow further and then bear flower and fruits. Vernalization is, therefore, a process of shortening of the jurnalization is, therefore, a process of shortening of the juvenile or vegetative phase and hastening flowering by a previous cold treatment. The stimulus cells, e.g.,shoot tip, embroyo tips, root apex, developing leaves etc.


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