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Crop Physiology Quiz 1 (30 MCQs)

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1. Emerson's enhancement and red drop have been instrumental in the discovery of
2. Protects the young buds of the flower
3. Emerson's enhancement effect and Red drophave been instrumental in the discovery of?
4. In a chloroplast the highest number of protons are found in;
5. Hydrotropism is the movement of a plant due to?
6. Bolting is induced by ..... hormone.
7. Photosynthesis is carried out in the .....
8. It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants through the year to increase yield?
9. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by?
10. What is the most common specialized stem used for food?
11. Which tropism is a response to light?
12. Instead of-CH3 group at the third C of the side group of Chl a, Chl b has
13. What is a plant's response to a hard object?
14. Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates, and proteins?
15. A water soluble gas that moves through the plant.
16. Rate of photosynthesis does not depend upon
17. Which statement is wrong about Kreb's cycle?
18. Which tropism is a response to gravitational forces?
19. Which of the following is a chlorophyll molecule lacking central Mg2+ ion?
20. What is another name for glucose?
21. What pigment absorbs sunlight for photosynthesis?
22. A student did the experiment about the effect of light to plant growth. She put one plant in dark place and the other in the light place. After 4 days, she found that the plant in the dark place grow taller than in the light one. What the name of this phenomenon and which plant hormone involved?
23. A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rate of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant?
24. This plant loves the warm season
25. #7 is made up of .....
26. World Ozone Day is celebrated on ;
27. The first stable product of fixation of atmospheric nitrogen in leguminous plants is?
28. Fruit and leaf drop at early stages can be prevented by the application of;
29. Plants grown in low light or darkness develop a severe case of stretching known as:
30. Conversion of glucose into starch and other chemicals
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