Factory for synthesis of sugar in autotrophic eucaryotes is

Options

A. Chloroplasts
B. Mitochondrion
C. Endoplasmic reticulum
D. Ribosomes

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the organelle responsible for sugar synthesis in autotrophic eukaryotes. Autotrophic organisms, such as plants, can produce their own food through photosynthesis.

2. **Identifying the Options**:
- a. Chloroplast
- b. Mitochondria
- c. Endoplasmic reticulum
- d. Ribosomes

3. **Analyzing Each Option**:
- **Chloroplast**: This organelle is found in plant cells and is the site of photosynthesis. It contains chlorophyll, which captures light energy to convert carbon dioxide and water into glucose (sugar).
- **Mitochondria**: Known as the powerhouse of the cell, mitochondria are involved in cellular respiration, where glucose is broken down to produce energy, but they do not synthesize sugar.
- **Endoplasmic Reticulum**: This organelle is involved in the synthesis of proteins and lipids, but not specifically in sugar synthesis.
- **Ribosomes**: These are the sites of protein synthesis and do not play a role in sugar synthesis.

4. **Conclusion**: Since chloroplasts are specifically responsible for the process of photosynthesis, which includes the synthesis of sugar, the correct answer is **option A: Chloroplast**.

**Final Answer**: The factory for synthesis of sugar in autotrophic eukaryotes is **Chloroplast**.

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