Free Plant Growth And Development (Daily Quiz: 7) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?

(a) Embolised

(b) Mutated

(c) Etiolated

(d) Defoliated

Question-2

2, 4–D stands for ________

(a) 2, 4–Dextrophenoxy acetate

(b) 2, 4–Dichlorophenoxy acetate

(c) 2, 4–Diphosphenoxy acetate

(d) 2, 4–Dichloromethoxy acetate

Question-3

Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in

(a) leaf abscission

(b) vessels and tracheid differentiation

(c) annual plants

(d) floral parts

Question-4

During seed germination its stored food is mobilized by

(a) gibberellin

(b) ABA

(c) ethylene

(d) cytokinin.

Question-5

One of the commonly used plant growth hormones in tea plantation is

(a) abscisic acid

(b) zeatin

(c) indole-3 acetic acid

(d) ethylene