Natural plant hormones were first isolated from?

Important Questions on Plant Growth and Development

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 19

In which of the following respect, plant hormones differ from enzymes?

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 20

Plant hormones are usually _____

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 21

Falling of leaves, occurs as abscission layer is formed when the content of ______

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 22

Apical dominance in higher plants is due to 

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 23

Indole-3-acetic acid is known as auxin and this was first isolated from _____

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 24

Parthenocarpy is induced by _______

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 25

High concentration of auxins exist in ____

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Alpha Question Bank for Medical: Biology>Chapter 15 - Plant Growth and Development>Exercise-3>Q 26

Which of the following hormone prevents the falling of fruits?