Cytoplasmic streaming is related to

Options

A. Symplastic pathway
B. Apoplastic pathway
C. Long distance transport
D. Both (1) & (3)

Answer

### Step-by-Step Solution:

1. **Understanding Cytoplasmic Streaming**:
- Cytoplasmic streaming, also known as protoplasmic streaming, refers to the flow of cytoplasm within a cell. This movement is facilitated by the cytoskeleton and is essential for transporting molecules and organelles within the cell.

2. **Identifying Related Pathways**:
- The question asks what cytoplasmic streaming is related to among the given options: symplastic pathway, epiplastic pathway, long distance transport, and a combination of options 1 and 3.

3. **Analyzing the Symplastic Pathway**:
- The symplastic pathway involves the movement of water and solutes through the cytoplasm and vacuoles of adjacent cells, connected by plasmodesmata. Since cytoplasmic streaming aids in the movement of substances within the cytoplasm, it is related to the symplastic pathway.

4. **Examining the Epiplastic Pathway**:
- The epiplastic pathway refers to the movement of water and minerals outside the plasma membrane, through spaces between cells. This pathway is not directly related to cytoplasmic streaming, as it does not involve the flow of cytoplasm.

5. **Considering Long Distance Transport**:
- Long distance transport typically refers to the movement of substances over larger distances within the plant, such as through the xylem and phloem. Cytoplasmic streaming is primarily a mechanism for short distance transport within individual cells, thus it is not related to long distance transport.

6. **Evaluating the Options**:
- Based on the analysis:
- Option 1 (symplastic pathway) is related to cytoplasmic streaming.
- Option 2 (epiplastic pathway) is not related.
- Option 3 (long distance transport) is not related.
- Option 4 (1 and 3) cannot be correct since option 3 is incorrect.

7. **Conclusion**:
- The correct answer is **Option 1: Symplastic Pathway**.