Home
Class 11
BIOLOGY
Assertion : Abscisic acid (ABA) is also ...

Assertion : Abscisic acid `(ABA)` is also called stress hormone.
Reason : ABA increases the tolerance of plants to various kinds of stresses.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A

ABA is also called stress hormone, because ABA stimulates the closure of stomata in the epidermis and increase the toluerance of plants to various kinds of stresses.
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    A2Z|Exercise Section C : Previous Years' Examination Questions (NEET /AIPMT Questions)|66 Videos
  • PLANT GROWTH AND DEVELOPMENT

    A2Z|Exercise Section C : Previous Years' Examination Questions (AIIMS Questions )|19 Videos
  • PLANT GROWTH AND DEVELOPMENT

    A2Z|Exercise Section A : Topicwise Questions Topic 5 : Photoperiodism And Vernalisation|40 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    A2Z|Exercise Section D : Chapter End Test|50 Videos
  • PLANT KINGDOM

    A2Z|Exercise Section-d Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

Which of the following increases the tolerance of plants to various kind of stresses?

Abscisic acid is called stress hormone as it

Why ABA is called stress hormone in plants?

(A)______ stimulats the closure of stomata in the epidermic and increase the tolerance of pants to various kinds of stresses.

Assertion (A): Abscisic acid is a stress hormone. Reason (R): Stimulation of ABA occurs in adverse conditions.

Which hormone stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stresses?

Why is Abscisic acid called stress hormone in plants?

Why is Abscisic acid also known as stress hormone?

Assertion. Oxytocin is also called antidiuretic hormone Reason. Oxytocin increases renal reabsorption of water.