PLANT GROWTH HORMONES, PLANT BIOTECHNOLOGY & PLANT TISSUE CULTURE
TOP 10 MCQ
1. Which of the following is not a macronutrient
(a) Magnesium
(b) Nitrogen
(c) Boron
(d) Potassium
2. A compound now increasingly used as standard practice for enhancing the flow of rubber latex by spraying on to the scraped bark of the rubber tree increasing the latex yields from 36% to 130% is [GPAT-2018]
(a) Brassinosteroids
(b) Abscisic acid
(c) Ethephon
(d) Kinetin
3. Who is known as the Father of tissue culture [GPAT-2015]
(a) Reinert
(b) White
(c) Haberlandt
(d) Gautheret
4. Polyploidy is induced through [GPAT-2014]
(a) Irradiation
(b) Mutagenic chemicals
(c) Ethylene
(d) Colchicine
5. In callus culture, roots can be induced by the supply of [GPAT-2013]
(a) Auxin and no cytokinin
(b) Higher concentration of auxin and lower concentration of cytokinin
(c) Higher concentration of cytokinin and lower concentration of auxin
(d) Auxin and cytokinin in equal proportions
ANSWER KEY
| 1-b | 2-d | 3-c | 4-c | 5-a | 6-c | 7-a | 8-a | 9-b | 10-d |
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