Plant Breeding Quiz 2 (20 MCQs)

Quiz Instructions

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1. The region of domestication for Asian rice is ----------river

Correct Answer: B) B. Yangtze.

2. Who proposed the centres of Origin theory?

Correct Answer: D) Vavilov.

3. The new varieties of plants are produced by

Correct Answer: B) Selection and hybridisation.

4. Nobilisation of cane refers to

Correct Answer: C) C. S. officianarum.

5. Bagging is done to

Correct Answer: D) Prevent contamination from foreign pollen.

6. The source of dwarfing gene sd1 in rice is

Correct Answer: B) B. Dee-gee-woo-gen.

7. Example of often cross pollinated crop is

Correct Answer: D) D. Sorghum.

8. Agriculture accounts for ..... per cent of India's GDP

Correct Answer: C) 33.

9. Medicago sativa is a

Correct Answer: B) Normally Cross pollinated crop.

10. Which of the following is not the main step in carrying out plant breeding technique?

Correct Answer: B) Cross hybridization among the diseased parents.

11. A pureline is the progeny of a single self fertilised

Correct Answer: B) B. homozygous plant.

12. Concept of gene for gene hypothesis proposed by

Correct Answer: B) Flor.

13. Breeding for disease resistance requires

Correct Answer: D) All of these.

14. A technique of micropropagation is

Correct Answer: B) Somatic embryogenesis.

15. In 700B.C. Assyrians and Babylonians hand pollinated

Correct Answer: C) Date palms.

16. Nobel prize for green revolution was given to

Correct Answer: B) Borlaug.

17. The entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called

Correct Answer: C) Germplasm collection.

18. The botanical name of Sugarcane is:

Correct Answer: B) Saccharum barberi.

19. What does GDP stands for?

Correct Answer: B) Gross Domestic Product.

20. The centre of origin for Maize is

Correct Answer: C) C. Mexican.