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

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define auxins.

πŸ’‘ Hint: Think about where they are produced.

Question 2

Easy

What is the primary role of gibberellins?

πŸ’‘ Hint: Recall their relationship with plant height.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which hormone promotes cell elongation?

  • Gibberellins
  • Ethylene
  • Auxins

πŸ’‘ Hint: Think about growth promotion.

Question 2

True or False: Cytokinins inhibit leaf senescence.

  • True
  • False

πŸ’‘ Hint: Recall their role in cell division.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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

πŸ’‘ Hint: Remember, ABA is known as the stress hormone.

Question 2

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?

πŸ’‘ Hint: Think of the relationship between ethylene and ripening fruits.

Challenge and get performance evaluation