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Botany MCQs for NEET — Practice Questions with Answers

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Phototropism is firstly studied by

A. Charles Darwin and his son Francis Darwin B. Charles Darwin and his friend Francis Darwin C. Charles Darwin and his brother Francis Darwin D. Charles Darwin and his colleague Francis Darwin

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Explanation

Page number-247

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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……...is the site of transmittable influence that caused the bending of the entire……..

A. Coleorrhiza B. Coleoptile C. Auxin D. Scutellum

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Explanation

Page number-247

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Auxin was isolated by

A. F. W. Went B. Charles Darwin C. Francis Darwin D. F. Skoog

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Explanation

Page number-247

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Find the wrong match.

A. F. W. Went - Oat seedlings B. Charles Darwin - Canary Grass C. Francis Darwin - Canary Grass D. E. Kurosawa- Orange

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Explanation

Page number-247-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Internodal segments of tobacco stems, the callus is actually

A. An undifferentiated cell B. A mass of differentiated cell C. A mass of undifferentiated cell D. A differentiated cell

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Cytokinesis promoting substance was crystallised by

A. Skoog and Darwin B. Skoog and Miller C. Kurosawa D. Cousins

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Kinetin term was used for …..by…

A. Cytokinins, Darwin B. Cytokinin, Skoog And Miller C. ABA, Darwin D. ABA, F. Skoog

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Which of the following is not ABA?

A. Inhibitor-B B. Abcission II C. Dormin D. Bakane

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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Three independent researches reported which of the following PGR?

A. ABA B. Ethylene C. Auxin D. Cytokinin

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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During mid 1960s, the purification and chemical characterisation of which of the following PGR was performed?

A. ABA B. GA C. Auxin D. Cytokinins

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Explanation

Page number-248

15.4 Plant Growth Regulators

15.4.2 The Discovery of Plant Growth Regulators

Plant Growth And Development

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