CAM pathway is observed in

Options

A. Pineapple
B. Maize
C. Sunflower
D. Sugarcane

Answer

**Step-by-Step Solution:**

1. **Understanding CAM Pathway**: The CAM pathway, or Crassulacean Acid Metabolism, is a unique form of photosynthesis that allows certain plants to adapt to arid conditions. It enables them to fix carbon dioxide at night when the temperatures are cooler and humidity is higher, thus minimizing water loss.

2. **Identifying Plant Types**: The question provides four options:
- A) Pineapple
- B) Maize
- C) Sunflower
- D) Sugarcane

3. **Analyzing Each Option**:
- **Pineapple**: Known to use the CAM pathway, as it opens its stomata at night to take in CO2.
- **Maize**: This plant uses the C4 pathway for photosynthesis, not CAM.
- **Sunflower**: Typically employs the C3 pathway for photosynthesis.
- **Sugarcane**: Like maize, it uses the C4 pathway.

4. **Conclusion**: Based on the analysis, the only plant from the options that utilizes the CAM pathway is pineapple.

5. **Final Answer**: Therefore, the CAM pathway is observed in **option A: Pineapple**.

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