SPEED TEST- 11/15
Plant Growth and Development
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1. Seed dormancy is due to the *
1 point
2. Coiling of garden pea tendrils around any support is an example of *
1 point
3. Natural cytokinins are synthesized in tissues that are: *
1 point
4. Which one of the following is a gaseous plant hormone? *
1 point
5. Which one of the following acids is a derivative of carotenoids? *
1 point
6. Cell elongation in inter-nodal regions of the green plants takes place due to *
1 point
7. Which one of the following pairs, is not correctly matched? *
1 point
8. A long - day plant flowers only if exposed to a light period *
1 point
9. Which of the following is not a plant growth promoter? *
1 point
10. The hormone which was discovered through foolish seedling disease of rice is *
1 point
11. Which one of the following growth regulators is known as ‘stress hormone’? *
1 point
12. One of the synthetic auxin is____ *
1 point
13. Senescence as an active developmental cellular process in the growth & functioning of a flowering plant, is indicated in___ *
1 point
14. Treatment of seed at low temperature under moist conditions to break its dormancy is called *
1 point
15. One set of a plant was grown at 12hr day   & 12hr night period cycles & it flowered while in the other set night phase was interrupted by flash of light & it did not produce flower. Under which one of the following categories will you place this plant? *
1 point
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