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MINERAL NUTRITION Quiz 5

1. 
The first stable product of nitrogen fixation is

2. 
The two most important amides found in plants which are structural part of proteins

3. 
Choose the correct option.

Statement 1: Access of Mg may in fact induces deficiencies of Fe, Mn, Ca.

Statement 2: Toxicity of Mg may actually be the deficiency of Fe, Mn, Ca.

4. 
Which is the main amino acid from which the transfer of NH2 , the amino group takes place and other amino acids are formed ?

5. 
Enzyme nitrogenase

6. 
Nitrifying bacteria are

7. 
Initiation of nodule formation occurs in

8. 
Denitrification is carried by bacteria

9. 
Free living nitrogen fixing aerobic microbes

10. 
The nodule of some plants(e.g. Soyabean) export the fixed nitrogen

11. 
Essential elements

12. 
Toxicity of which element inhibit calcium translocation in shoot apex?

13. 
Ammonium ions cannot accumulate in plants because

14. 
Choose the correct option.

Assertion: The hydroxyl part of acid is replaced by another NH2^- radicle in transamination.
Reason:  Amides contains less nitrogen than the amino acid

15. 
__________ competes with _________ for binding with enzyme

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