Free Plant Growth And Development (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following is not the parameter for measuring growth?

(a) Dry weight

(b) Wet weight

(c) Volume

(d) Cell member

Question-2

Which one of the following acids is a derivative of carotenoids?

(a) Gibberellic acid

(b) Indole-3-acetic acid

(c) Abscisic acid

(d) Indole butyric acid

Question-3

Which of the following does not normally occur when an etiolated seedling is exposed to light ?

(a) The rate of shoot elongation increases.

(b) Chlorophyll synthesis begins.

(c) The hypocotyl hook straightens (in species with a hypocotyl hook).

(d) Phytochrome $P_{r}$ is converted to $P_{fr}$.

Question-4

Phytohormones are

(a) chemical regulating secondary growth

(b) chemical regulating flowering

(c) hormones regulating growth from seed to adulthood

(d) regulators synthesised by plants and influencing physiological processes

Question-5

Root development is promoted by

(a) Gibberellin

(b) Auxin

(c) Ethylene

(d) Abscisic acid