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Auxin: The First Plant Hormone

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Questions and Answers

Who is credited with the discovery of auxin?

Charles Darwin (correct)

Louis Pasteur

Gregor Mendel

Marie Curie

What is the main role of auxin in plants?

Regulation of plant cell elongation (correct)

Protection against pests

Promotion of flowering

Enhancement of seed germination

What is the growth response of plants to unidirectional stimuli called?

Photosynthesis

Transpiration

Tropism (correct)

Respiration

Which plant part did Darwin and his son use in their experiments with coleoptiles?

Canary grass seedlings Signup and view all the answers

What did Frits Went demonstrate in 1926 regarding auxin?

Existence of a growth-promoting chemical Signup and view all the answers

Why did the coleoptile bend towards the light according to Darwin's experiment?

Presence of a spreading substance Signup and view all the answers

Auxin: The First Plant Hormone

Choose a study mode

Podcast

Questions and Answers

Who is credited with the discovery of auxin?

What is the main role of auxin in plants?

What is the growth response of plants to unidirectional stimuli called?

Which plant part did Darwin and his son use in their experiments with coleoptiles?

What did Frits Went demonstrate in 1926 regarding auxin?

Why did the coleoptile bend towards the light according to Darwin's experiment?

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Auxin: The First Plant Hormone

الضوء والنمو في النباتات

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