MCQ on Abscisic Acid (ABA)

Abscisic acid (ABA) is a plant hormone nicknamed the “stress hormone.” It helps plants cope with drought, cold, and other threats by triggering responses like closing pores to conserve water and promoting seed dormancy. This is an MCQ on Abscisic Acid Structure and Functions.

You may also like:

$. Plant Growth Regulators MCQ

$. Auxins: Physiological Effects MCQ

$. Cytokinins: Physiological Effects MCQ

$. Ethylene: Physiological Effects MCQ

$. Gibberellins: Physiological Effects MCQ

1. 
What is the primary physiological effect of abscisic acid (ABA) in plants?

2. 
Where is abscisic acid primarily synthesized in plants?

3. 
What is the main role of abscisic acid (ABA) in plant growth and development?

4. 
Which of the following is a physiological effect of abscisic acid (ABA) in response to drought stress?

5. 
Which hormone often works antagonistically with abscisic acid (ABA) to regulate plant growth and development?

6. 
How does abscisic acid (ABA) regulate stomatal closure in plants?

7. 
Which of the following is NOT a physiological effect of abscisic acid (ABA)?

8. 
What is the primary role of abscisic acid (ABA) in inducing dormancy in seeds?

9. 
Which of the following is a mechanism by which abscisic acid (ABA) regulates gene expression?

10. 
Which plant response involves the movement of abscisic acid (ABA) towards the lower side of the stem, resulting in curvature away from light?

<<< Back to Plant Physiology MCQ Page

More Multiple Choice Questions (MCQs)...
BOTANYBIOCHEMISTRYBIOTECHNOLOGY
ZOOLOGYCELL BIOLOGYIMMUNOLOGY
ECOLOGYMOLECULAR BIOLOGYANIMAL PHYSIOLOGY
GENETICSBIOINFORMATICSPLANT PHYSIOLOGY
EVOLUTIONBIOPHYSICSDEVELOPMENTAL BIOLOGY
MICROBIOLOGYBIOSTATISTICSRESEARCH METHODOLOGY




MCQ on Abscisic Acid

You may also like...
NOTESQUESTION BANKCOMPETITIVE EXAMS.
PPTsUNIVERSITY EXAMSDIFFERENCE BETWEEN..
MCQsPLUS ONE BIOLOGYNEWS & JOBS
MOCK TESTSPLUS TWO BIOLOGYPRACTICAL

Leave a Reply

Your email address will not be published. Required fields are marked *