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A trace element is/are...

A trace element is/are

A

required is very minute amounts by plant

B

a radioactive and can be traced by geiger counter

C

an element which draws other element out of protoplasm

D

all of the above

Text Solution

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The correct Answer is:
A
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ARIHANT NEET-MINERAL NUTRITION-Chapter Exercises (A) Taking it together (Assorted Questions of the chapter for Advanced level practise)
  1. All the nitrogenase enzyme has been inactivated by rediation. There wi...

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  2. Plants can be grown in (Tick the incorrect option)

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  3. A trace element is/are

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  4. A micronutrient is one which

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  5. Microelements are those essential elements which are required by the ...

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  6. Which one of the following statements can best explain the term critic...

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  7. Which one of the following roles is not characteristic of an essential...

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  8. How is ash significant in the study of mineral nutrition of plants?

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  9. The most important use of potassium is that it

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  10. The elements that take part in catalytic reactions are

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  11. Farmers in a particular region were concerned that pre-mature yellowin...

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  12. Which one of the following symptoms is not due to manganese toxicity i...

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  13. Which of the following association fix nitrogen through non-nodulation...

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  14. Bacteria that fix nitrogen for plants as clover, beans, etc. belongs t...

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  15. Leghaemoglobin is useful for legumes because it

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  16. What does the given reaction show ?

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  17. Deficiency of which group of elements can cacuse inhibition of ce...

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  18. Choose the correct option.

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  19. Choose the group of denitrification bacteria

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  20. In leguminous plant leghaemoglobin acts as oxigen scavenger, similary ...

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