Question

Match elements given in Column I with their functions given in Column II.

Column I	Column II
A. Phosphorus	I. Essential for oxygen evolution in photosynthesis.
B. Nitrogen	II. Activation of certain enzymes.
C. Copper	III. Essential for phosphorylation reactions and constituent of certain proteins and all nucleic acids.
D. Chloride	IV. Constituent of proteins, vitamins, hormones, ATP and chlorophyll

• A. A-I, B-II, C-III, D-IV
• B. A-II, B-III, C-IV, D-I
• C. A-III, B-II, C-I, D-IV
• D. A-III, B-IV, C-II, D-I

Hint:

Match each element to its main role in the plant.

Answer 1

The Correct Option is D

Step 1: Understanding the Concept
Each mineral element has a characteristic role in plant metabolism.

Step 2: Match
Phosphorus (A) is needed for phosphorylation and is part of nucleic acids, so A-III.
Nitrogen (B) is a constituent of proteins, vitamins, hormones, ATP and chlorophyll, so B-IV.

Step 3: Match the rest
Copper (C) activates certain enzymes, so C-II.
Chloride (D) is needed for oxygen evolution in photosynthesis, so D-I.

Final Answer:
The correct match is A-III, B-IV, C-II, D-I. \[ \boxed{\text{(D) }\text{A-III, B-IV, C-II, D-I}} \]