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Which group of element is not essential ...

Which group of element is not essential for a normal plant

A

Potassium, calcium, magnesium

B

Iron, zinc, magnaese, boron

C

Lead, nickel, iodine, sodium, barium

D

Magnesium, iron, molybdenum

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ERRORLESS -MINERAL NUTRITION-Mineral Nutrition
  1. Who gave the criteria of essentiality

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  2. Which one of the following scientists used the nutrient culture soluti...

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  3. Which group of element is not essential for a normal plant

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  4. The charcoal culture experiment is better than water culture experimen...

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  5. Which of the following is not caused by deficiency of mineral nutritio...

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  6. Cultivation by sand culture is also called

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  7. In which of the following forms is iron absorbed by plants

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  8. Which of the following is associated with electron transport in photos...

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  9. Which element forms part of structure of chlorophyll molecule

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  10. Deficiency symptoms of nitrogen and potassium are visible first in

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  11. In which of the following, all the three are macronutrients

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  12. Plants requiring two metallic compounds (minerals) for chlorophyll syn...

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  13. Which of the following is essential mineral element and is not a const...

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  14. Interveinal clorosis of leaves is caused by the deficiency of

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  15. Cholrosis occurs when plants are grown in

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  16. K, N, Ca, Mg deficiency causes

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  17. The possible resource of phosphorus ions and nitrogen ions in soil gen...

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  18. Which of the following does NPK (Critical element) denote

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  19. In nature, organic compounds invariable contain

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  20. Necrosis, or death of tissue particularly leaf tissue, is due to the d...

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