NEET MCQ on Aba And Other Growth Regulators Quiz Questions

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Home › Quiz › NEET MCQ on Aba And Other Growth Regulators

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1. Abscission zone can be induced for formation by

A abscisic acid B cytokinins C gibberellins D auxins

2. Presence of this in the seed is linked with dormancy

A abscisic acid B gibberellic acid C starch D ethylene

3. Abscisic acid treatment results in

A root elongation B stomatal closure C stem elongation D leaf expansion

4. ABA contains

A one asymmetric and two symmetric carbon atoms B one symmetric and two asymmetric carbon atoms C one asymmetric carbon atom D one symmetric carbon atom

5. Morphactins are

A synthetic auxins B synthetic gibberellins C synthetic growth regulators D none of these

6. Dormin is a

A abscisic acid B growth promoter C auxin D none of these

7. This is wound hormone

A phyllocaline B auxin C hormone only D necrohormone

8. This is a plant hormone

A acetylene B dormin C formalin D all of these

9. This is a naturally occurring growth inhibitor

A NAA B IAA C GA D ABA

10. Abscisic acid regulates

A leaf fall and dormancy B cell division C cell elongation and cell wall formation D shoot elongation

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