The Question is from neet-botany cell-biology introduction, and it was created by the author K SURESH KUMAR

Question

Select the correct fundamental features of cell theory I. All cells are basically alike in their chemistry and physiology II. All living organisms are composed of cells and their products III. Each cell is made of a small mass of protoplasm containing a nucleus inside and a plasma membrane with or without a cell wall outside IV. Activities of an organism are the sum total of activities and interaction of its constituent cells Correct option regarding the statement is

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
	**Primary Concept**: Cell Theory
	**Related Topics**: Cell Biology, Biological Organization
	**Prerequisites**: Basic knowledge of cell theory and its postulates.
## SOLUTION PATHWAY
**Given Information**:
	Statements I, II, III, and IV regarding cell theory.
**Method & Steps**:
	1. **Analyze Statement I:** Determine if it aligns with the cell theory. Statement I says 'All cells are basically alike in their chemistry and physiology', which is a fundamental aspect of the cell theory.
		Reasoning: This reflects the commonality in cellular processes across different organisms.
	2. **Analyze Statement II:** Determine if it aligns with the cell theory. Statement II says 'All living organisms are composed of cells and their products', which is a core tenet of the cell theory.
		Reasoning: This is a fundamental principle of cell theory.
	3. **Analyze Statement III:** Determine if it aligns with the cell theory. Statement III says 'Each cell is made of a small mass of protoplasm containing a nucleus inside and a plasma membrane with or without a cell wall outside', which describes the basic cell structure.
		Reasoning: This statement correctly describes the general structure of a cell.
	4. **Analyze Statement IV:** Determine if it aligns with the cell theory. Statement IV says 'Activities of an organism are the sum total of activities and interaction of its constituent cells', which is another key aspect of cell theory.
		Reasoning: This emphasizes the role of cells as the functional units of life.
	5. **Conclude:** All four statements are consistent with the cell theory.
		Result: All statements are correct.
## OPTION ANALYSIS
[A] :x: Incorrect because all statements are correct.
[B] :x: Incorrect because statements I and IV are also correct.
[C] :x: Incorrect because statement I is also correct.
[D] ✓: Correct because all four statements are fundamental features of cell theory.
## LEARNING AIDS
	**Common Mistakes**:
		1. **Forgetting the 'All cells are basically alike' aspect**: Not all cells are identical but share basic chemistry.
		2. **Misinterpreting 'products of cells'**: Products of cells can include extracellular matrix or secretions.
	**Quick Tips**:
		1. Remember the key postulates of cell theory:
		   - All living things are composed of cells.
		   - Cells are the basic units of structure and function in living things.
		   - All cells come from pre-existing cells.
		2. Be mindful of the wording in each statement to identify if they are truly reflective of cell theory.

K SURESH KUMAR · Answer

All are incorrect

K SURESH KUMAR · Answer

II and III are correct

K SURESH KUMAR · Answer

II, III and IV are correct

K SURESH KUMAR · Answer

The correct Option is "All are correct"

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