(i) Mitochondria and chloroplasts possess small and circular non-histones DNA.
(ii) Mesosomes are extension of plasma membrane .
(iii) Quasi fluid natural of lipid enables flip flop movement of Proteins at specific place .
(iv) Components of endomembrane system associated with secretion , packaging of material and capble of digestion of several macro organic compounds .
From given , incorrect statement is / are

Options

A. i and iii
B. ii and iv
C. ii, iii and iv
D. iii

Answer

To determine the incorrect statement(s) from the provided options, let's analyze each statement one by one:

### Step 1: Analyze Statement (i)
**Statement:** Mitochondria and chloroplasts possess small and circular non-histone DNA.

**Analysis:** This statement is correct. Mitochondria and chloroplasts have their own DNA, which is circular and not associated with histones, similar to prokaryotic DNA. They are often referred to as semi-autonomous organelles due to their ability to replicate independently of the cell.

### Step 2: Analyze Statement (ii)
**Statement:** Mesosomes are extensions of the plasma membrane.

**Analysis:** This statement is also correct. Mesosomes are indeed extensions of the plasma membrane in prokaryotic cells, particularly in bacteria. They are involved in various functions, including cellular respiration.

### Step 3: Analyze Statement (iii)
**Statement:** Quasi-fluid nature of lipids enables flip-flop movement of proteins at a specific place.

**Analysis:** This statement is incorrect. The quasi-fluid nature of lipids allows for lateral movement of proteins within the membrane, not flip-flop movement. Flip-flop movement refers to the movement of lipids between the inner and outer layers of the membrane, which occurs very rarely and is not a characteristic of protein movement.

### Step 4: Analyze Statement (iv)
**Statement:** Components of the endomembrane system are associated with secretion, packaging of material, and capable of digestion of several macro-organic compounds.

**Analysis:** This statement is correct. The endomembrane system includes structures like the endoplasmic reticulum, Golgi apparatus, and lysosomes, which are involved in secretion, packaging, and digestion of macromolecules.

### Conclusion
Based on the analysis:
- **Correct Statements:** (i), (ii), and (iv)
- **Incorrect Statement:** (iii)

### Final Answer
The incorrect statement is (iii).

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