Which micronutrient is required for splitting of water molecule during photosynthesis?
1.Copper 2.Manganese 
3.Molybdenum 4.Magnesium 
Subtopic:  Mineral Function |
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Match List I with List II:
List I List II
A. Iron I. Synthesis of auxin
B. Zinc II. Component of nitrate reductase
C. Boron III. Activator of catalase
D. Molybdenum IV Cell elongation and differentiation

Choose the correct answer from the options given below:
Options: A B C D
1. II IV I III
2. III II I IV
3. II III IV I
4. III I IV II
Subtopic:  Mineral Function |
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Match List - I with List - II
List I List II
(a) Manganese (i) Activates the enzyme catalase
(b) Magnesium (ii) Required for pollen germination
(c) Boron (iii) Activates enzymes of respiration
(d) Iron (iv) Functions in splitting of water during photosynthesis
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iii) (i) (ii) (iv)
2. (iii) (iv) (i) (ii)
3. (iv) (iii) (ii) (i)
4. (iv) (i) (ii) (iii)
Subtopic:  Mineral Function |
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Which of the following pair of micronutrients would help in the light phase of photosynthesis to help in the reaction leading to oxygen evolution? 
1. Zinc and Chlorine 
2. Manganese and Molybdenum 
3. Molybdenum and Iron 
4. Manganese and Chlorine

Subtopic:  Mineral Function |
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Match the following concerning essential elements and their functions in plants:

Column I Column II
(a) Iron (i) Photolysis of water
(b) Zinc (ii) Pollen germination
(c) Boron (iii) Required for chlorophyll biosynthesis
(d) Manganese (iv) IAA biosynthesis
Select the correct option:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (iii) (iv) (ii) (i)
3. (iv) (i) (ii) (iii)
4. (ii) (i) (iv) (iii)
Subtopic:  Mineral Function |
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Which of the following elements helps in maintaining the structure of ribosomes?

1. Magnesium

2. Zinc

3. Copper

4. Molybdenum

Subtopic:  Mineral Function |
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In which of the following forms is iron absorbed by plants?
1. Ferric 2. Ferrous
3. Free element 4. Both ferric and ferrous
Subtopic:  Mineral Function |
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Which of the following elements is responsible for maintaining turgor in cells?
1. Magnesium
2. Sodium
3. Potassium
4. Calcium

Subtopic:  Mineral Function |
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The most abundant intracellular cation is:
1. Ca2+
2. H+
3. K+
4. Na+

Subtopic:  Mineral Function |
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Best defined function of manganese in green plants is :

1. Photolysis of water

2. Calvin cycle

3. Nitrogen fixation

4. Water absorption

Subtopic:  Mineral Function |
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