The Question is from neet-botany mineral-nutrition , and it was created by the author B VENKAT

Question

Essential elements perform many functions which includes
I. Permeability of the cell membrane
II. Maintenance of osmotic concentration of the cell sap
III. Major constituents of macromolecules and coenzymes
IV. Buffering action
Choose the correct option

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [Option D]
## CONCEPT FRAMEWORK
**Primary Concept**: Role of Essential Elements in Plant Physiology
**Related Topics**: Plant Nutrition, Cell Biology, Biochemistry
**Prerequisites**: Basic knowledge of plant cell structure and function, understanding of essential elements.
## SOLUTION PATHWAY
**Given Information**:
    List of functions related to essential elements.
**Method & Steps**:
  1. Analyze each statement individually against the known functions of essential elements:
      Reasoning: Essential elements are crucial for various plant functions.
  2. Determine if the stated function is directly or indirectly linked to the role of essential elements.
      Working: I. Permeability of the cell membrane: Essential elements like calcium play a role in membrane permeability. II. Maintenance of osmotic concentration of the cell sap: Elements like potassium are crucial for maintaining osmotic balance. III. Major constituents of macromolecules and coenzymes: Elements like nitrogen, phosphorus, and magnesium are part of key macromolecules and coenzymes. IV. Buffering action: Essential elements can contribute to buffering systems within cells, but this isn't a primary or universal function of essential elements. However, it is a function of some essential ions.
  3. Based on the analysis, select the option that includes all valid functions.
      Result: I, II and III are primary functions of essential elements.
 ## OPTION ANALYSIS
[A] :x: Only III is not correct as I and II are also correct functions
[B] :x: I and III is not correct as II is also a correct function
[C] :x: Only I is not correct as II and III are also correct functions
[D] ✓: I, II and III are all correct functions of essential elements.
 ## LEARNING AIDS
**Common Mistakes**:
    1. [Error 1]: Confusing essential elements with other non-essential elements. [How to avoid]: Remember that essential elements are specifically required for plant growth and development.
    2. [Error 2]: Overlooking the multiple functions of a single essential element. [How to avoid]:  Study the specific roles of each essential element.
**Quick Tips**:
    1. [Helpful shortcut]: Think about the main biochemical functions of plants when evaluating each statement.
    2. [Memory aid]: Use mnemonics to remember the major roles of essential elements, such as 'N-P-K for growth, K for osmotic balance'.

B VENKAT · Answer

Only III

B VENKAT · Answer

I and III

B VENKAT · Answer

Only I

B VENKAT · Answer

The correct Option is "I, II and III"

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