Practice Physiological Effects of Plant Growth Regulators - 13.4.3 | 13. PLANT GROWTH AND DEVELOPMENT | CBSE 11 Biology
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Physiological Effects of Plant Growth Regulators

13.4.3 - Physiological Effects of Plant Growth Regulators

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define auxins.

💡 Hint: Think about where they are produced.

Question 2 Easy

What is the primary role of gibberellins?

💡 Hint: Recall their relationship with plant height.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which hormone promotes cell elongation?

Gibberellins
Ethylene
Auxins

💡 Hint: Think about growth promotion.

Question 2

True or False: Cytokinins inhibit leaf senescence.

True
False

💡 Hint: Recall their role in cell division.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a crop failure due to drought. How could abscisic acid play a role in managing plant resources during this period?

💡 Hint: Remember, ABA is known as the stress hormone.

Challenge 2 Hard

You have a banana plantation and need to improve the ripening process. Which PGR would you choose and how would you apply it for best results?

💡 Hint: Think of the relationship between ethylene and ripening fruits.

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