Q.96
Match List-I with List-II:
Choose the correct answer from the options given below:
|
List - I
सूची - I
Plant Nutrient
List-I (Plant Nutrient
|
List - II
सूची - II
Primary Physiological Function
List-II (Primary Physiological Function
|
||
|---|---|---|---|
| A | Boron Boron | I | Sugar translocation and pollen tube germination Sugar translocation and pollen tube germination |
| B | Phosphorus Phosphorus | II | Energy transfer (ATP, ADP) and nucleic acid constituent Energy transfer (ATP, ADP) and nucleic acid constituent |
| C | Potassium Potassium | III | Stomatal regulation and enzyme activation ($>60$ enzymes) Stomatal regulation and enzyme activation ($>60$ enzymes) |
| D | Zinc Zinc | IV | Biosynthesis of auxin (indole-3-acetic acid, IAA) Biosynthesis of auxin (indole-3-acetic acid, IAA) |
- Essential Plant Nutrients and Specific Physiological Roles:
- Boron (B): Essential for cis-diol borate ester complexation, cell wall cross-linking (rhamnogalacturonan II), and sugar translocation / pollen tube germination $\rightarrow$ (I)
- Phosphorus (P): Key component of high-energy pyrophosphate bonds (ATP/ADP) and phosphodiester backbones in DNA/RNA $\rightarrow$ (II)
- Potassium (K): Primary osmoticum governing stomatal guard cell turgor and allosteric cofactor for $\gt 60$ metabolic enzymes $\rightarrow$ (III)
- Zinc (Zn): Catalytic cofactor for carbonic anhydrase and essential activator for auxin (indole-3-acetic acid) synthesis from tryptophan $\rightarrow$ (IV)
- Systematic Match: (A)-(I), (B)-(II), (C)-(III), (D)-(IV) corresponds to Option 1.
Correct option: (1) (A) - (III), (B) - (IV), (C) - (W), (D) -
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