Growth and Development in Plants MCQs for NEET — Botany Questions with Answers

Practice free Growth and Development in Plants (Botany) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

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What is the type of dormancy in which embryo do not differentiate into various tissue at the time of fruit maturation?

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During physiological and physical condition some changes observed in seed, is knows as ......

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Which type of dormancy is induced in seeds due to adverse condition and high temperature ?

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Explanation

Secondary dormancy is induced in seeds due to adverse conditions such as high temperature. This type of dormancy occurs when seeds that have broken their initial dormancy encounter unfavorable conditions and go back into a dormant state.

 A: Ethylene inhibits logitudinal growth of root stem and leaves.

 B: Ethylene is growth inhibitor, maturation hormone.

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Explanation

FACTUAL

Asseretion - Reasoning type of questions : A:Assertion (Statement) R : Reason A : Seed is active condensed plant. R : It shows specific dormancy and get activated.

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Asseretion - Reasoning type of questions : A:Assertion (Statement) R : Reason A : Cytokininis cytoplasmic hormone. R : Cytokinin induced cell division.

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Asseretion - Reasoning type of questions : A:Assertion (Statement) R : Reason A: Tropismis unidirectional. R : Specific modifications observed in plant due to tropism.

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Asseretion - Reasoning type of questions : A:Assertion (Statement) R : Reason A : Flowering is natural phenomenon in plants. R : If photoperiodism is fixed, increases flowering in plants

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The process of organ formation starts of................

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When a plant is flooded it often increases its production of

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Explanation

When a plant is flooded it often increases its ethylene.  Ethylene shuts down leaf growth very fast after the plant senses limited water availability

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