New chloroplast originates from

Options

A. Plasmembrane
B. Pre- existing plastids by fission
C. Golgi complex
D. endoplasmic reticulum

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the origin of new chloroplasts. We need to identify the correct source from the provided options.

2. **Evaluating the Options**:
- **Option 1: Plasma Membrane**: This option is incorrect. The plasma membrane is primarily responsible for regulating the movement of substances in and out of the cell and does not play a role in the formation of chloroplasts.

- **Option 2: Preexisting Plastids by Fission**: This is the correct answer. Chloroplasts originate from the division (fission) of preexisting plastids. This process is similar to binary fission in bacteria, where existing organelles replicate and divide to form new ones.

- **Option 3: Golgi Complex**: This option is also incorrect. The Golgi complex is involved in the packaging and transport of proteins and lipids but does not produce chloroplasts.

- **Option 4: Endoplasmic Reticulum**: This option is incorrect as well. The endoplasmic reticulum (both rough and smooth) is involved in protein and lipid synthesis but does not contribute to the formation of chloroplasts.

3. **Conclusion**: After evaluating all the options, the correct answer is that new chloroplasts originate from preexisting plastids by fission.

**Final Answer**: New chloroplasts originate from preexisting plastids by fission.

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