Free Plant Growth And Development (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which hormone is responsible for fruit ripening?

(a) Auxin

(b) Ethylene

(c) Ethyl chloride

(d) Cytokinin

Question-2

Ethephon accelerates abscission in flowers and fruits like

(a) Walnut

(b) Cherry

(c) Cotton

(d) All of these

Question-3

Parthenocarpic tomato fruits can be produced by

(a) removing androecium of flowers before pollen grains are released

(b) treating the plants with phenylmercuric acetate

(c) treating the plants with low concentrations of gibberellic acid and auxins

(d) raising the plants from vernalized seeds

Question-4

Treatment of seed at low temperature under moist conditions to break its dormancy is called

(a) chelation

(b) vernalization

(c) stratification

(d) scarification

Question-5

A plant hormone used for inducing morphogenesis in plant tissue culture is

(a) ethylene

(b) cytokinins

(c) abscisic acid

(d) gibberellins