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Crop Physiology Quiz 2 (20 MCQs)

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1. Which of the following is a chlorophyll molecule lacking central Mg2+ ion?
2. What is another name for glucose?
3. What pigment absorbs sunlight for photosynthesis?
4. 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?
5. 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?
6. This plant loves the warm season
7. #7 is made up of .....
8. World Ozone Day is celebrated on ;
9. The first stable product of fixation of atmospheric nitrogen in leguminous plants is?
10. Fruit and leaf drop at early stages can be prevented by the application of;
11. Plants grown in low light or darkness develop a severe case of stretching known as:
12. Conversion of glucose into starch and other chemicals
13. Stomatal movement is not affected by ;
14. The gas produced as a result of Transpiration
15. Which organelle does photosynthesis take place in?
16. Which hormone that is made mostly in the roots?
17. Name #10
18. What is the name of a plants response to the length of daylight and darkness?
19. Which of the following is not a product of light reaction of photosynthesis?
20. The stalk of the pistil
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