Practice The Discovery of Plant Growth Regulators - 13.4.2 | 13. PLANT GROWTH AND DEVELOPMENT | CBSE 11 Biology
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The Discovery of Plant Growth Regulators

13.4.2 - The Discovery of Plant Growth Regulators

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What hormone was first isolated by F.W. Went?

💡 Hint: Think about which hormone relates to phototropism.

Question 2 Easy

Which plant hormone is known for promoting cell division?

💡 Hint: This was discovered in tobacco.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary hormone responsible for phototropism?

Gibberellin
Cytokinin
Auxin

💡 Hint: Consider which hormone is linked with growth rates and angles.

Question 2

Cousins confirmed that a gas released from ripe oranges hastened ripening in bananas. True or False?

True
False

💡 Hint: Think about how fruits interact with one another.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a scenario where a farmer uses gibberellins on his grape crop. Predict the potential outcomes and benefits for the farmer, and explain the underlying hormonal mechanics.

💡 Hint: Think about how long grapes tend to grow and what leads to their size.

Challenge 2 Hard

Discuss the consequences of applying too much auxin in a garden. What might happen to the plants, specifically in terms of their growth and development?

💡 Hint: Consider how hormones interact within plants and what balance is necessary for healthy development.

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