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Farmers in a particular region were conc...

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might caused decrease in the yield. Which treatment could be most be most beneficial to obtain maximum seed yield?

A

Removal of all yellow leaves and spraying the remaining green leaves with 2,4,5-trichlorophenoxy acetic acid

B

Application of iron and magnesium to promote synthesis of chlorophyll

C

Frequent irrigation of the crop

D

Treatment of plants with cytokinins along with a small dose of nitrogenous fertilizer

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The correct Answer is:
B
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Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might caused decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

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CENGAGE BIOLOGY ENGLISH-MINERAL NUTRITION-ARCHIVES
  1. Farmers in a particular region were concerned that pre-mature yellowin...

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  2. A plant requires magnesium for :

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  3. Which of the following is a flowering plant with nodules containing fi...

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  4. About 98 per cent of the mass of everv living organism is composed of ...

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  5. Which one of the following elements is not an essential micronutr...

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  6. Carbohydrates are commonly found as starch in plant storate organs. Wh...

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  7. Nitrogen fixation in root nodules of Alnus is brought about by

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  8. Nitrogen fixation in root nodules of Alnus is brought about by

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  9. Guard cells help in

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  10. Manganese is required in

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  11. Which of the following is a symbiotic nitrogen fixer

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  12. Which one of the following pairs is wrongly matched?

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  13. An element playing important role in nitrogen fixation is

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  14. Which one of the following is not a micronutrient?

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  15. The chief water conducting elements of xylem in gymnosperms are

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  16. which one of the following structures between two adjacent cells is an...

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  17. One of the free-living, anaerobic nitrogenfixer is

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  18. The common nitrogen-fixer in paddy fields is

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  19. Nitrifying bacteria

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  20. Which one of the following elements (miconutrients) in plants is not r...

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  21. A prokaryotic autotrophic nitrogen fixing sym- biont-is found in

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