Free Plant Growth And Development (Daily Quiz: 8) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The most likely reason for the development of resistance against pesticides in insect damaging a crop is

(a) genetic recombinations

(b) random mutations

(c) directed mutations

(d) acquired heritable changes

Question-2

Which breaks bud dormancy of potato tuber?

(a) IAA

(b) Gibberellin

(c) ABA

(d) Zeatin

Question-3

Which of the following is not an effect of gibberellins on plant development in at least some species?

(a) Fruit development

(b) Stem elongation

(c) Induction of bolting

(d) Phototropism

Question-4

Auxin can be bio assayed by :

(a) Potometer

(b) Hydroponics

(c) Lettuce hypocotyl elongation

(d) Avena coleoptile curvature

Question-5

How does gibberellins not change the quality of an apple?

(a) Elongate it in size

(b) Make it sweeter

(c) Improve its shape

(d) All of these