1. | Copper | 2. | Manganese |
3. | Molybdenum | 4. | Magnesium |
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 |
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 |
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 |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (ii) | (iv) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iv) | (i) | (ii) | (iii) |
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
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 |
(a) | (b) | (c) | (d) | |
1. | (iv) | (iii) | (ii) | (i) |
2. | (iii) | (iv) | (ii) | (i) |
3. | (iv) | (i) | (ii) | (iii) |
4. | (ii) | (i) | (iv) | (iii) |
Which of the following elements helps in maintaining the structure of ribosomes?
1. Magnesium
2. Zinc
3. Copper
4. Molybdenum
1. | Ferric | 2. | Ferrous |
3. | Free element | 4. | Both ferric and ferrous |
The most abundant intracellular cation is:
1. Ca2+
2. H+
3. K+
4. Na+
Best defined function of manganese in green plants is :
1. Photolysis of water
2. Calvin cycle
3. Nitrogen fixation
4. Water absorption