In the given diagram of a typical set up for nutrient solution culture, the purpose of X is:

1. Addition of water 2. Addition of nutrients 3. Removal of wastes 4. Aeration

What type of reaction is shown in the given figure?


1. Deamination
2. Reductive amination
3. Transamination
4. Nitrogenation

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                    Column II
(element)                   (enzyme)
I. Magnesium              1. PEP carboxylase
II. Zinc                       2. Alcohol dehydrogenase
III. Molybdenum          3. Nitrogenase
Codes:

      I    II   III
A.   1    2   3
B.   2    1   3
C.   2    3   1
D.   1    3   2

Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                                      Column II
(Plant mineral)                             (Function)

I. Manganese                               1. Splitting of water

II. Zinc                                        2. Synthesis of auxin

III. Boron                                    3. Pollen germination

IV. Molybdenum                           4. Nitrogen metabolism
Codes:
       I   II    III    IV
A.    1   2     3     4
B.    2   1     4     3
C.    2   1     3     4
D.    1   2     4     3

Ureides have

Nodules of some plants like…….export the fixed nitrogen as….

For the transportation of Nitrogen to other part which of the following is preferably used?

Glutamine is

Asparagine is

The most important amides of plants are