Reference no: EM13875695
1. The presence of the pigment __________, makes the green plants autotrophs.
2. On fresh weight basis, _________is the most abundant element in the plant body as well as other organisms.
3. Commercial cultivation of crops using hydroponics is known as ___________.
4. ______________ facilitates the translocation of carbohydrates (sugars and starches) and enhances the production of oils and fats.
5. The common symptom of nitrogen deficiency in plants is ____________.
6. The deficiency of _____________ causes the death of the stem and the root species.
7. _________is a constituent of certain electron carrier proteins such as ferredoxin and cytochromes.
8. Yellowish edges appear in leaves deficient in _________________.Magnesium
9. Manganese is absorbed from the soil in the form of __________ions.
10. The abundance of manganese can lead to _______deficiency in plants.
11. Molybdenum is absorbed by plants in the form of _____________ ions.
12. Plants with zinc deficiency show reduced biosynthesis of _______________.
13. ___________ element helps in the electron transfer from H20 to PSII during photosynthesis.
14. The enzyme nitrogenase is involved in _________ Nitrogen
15. The best known nitrogen fixing bacterium is _________. Rhizobium
16. The conversion of ammonia to nitrate is called _____________. Nitrification
17. _____________ are the sites of nitrogen fixation in cyanobacteria. heterocysts
18. The best known nitrogen fixing symbiotic bacterium is ______________.
19. The nitrite reductase requires _________ and _________for its activity.
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Which element is required in greatest quantities
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Listed below there are descriptions of four hypothesis tests
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The most abundant element in the plant body
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