Which one is oil yielding plant

Options

A. Helianthus annuus
B. Cajanus cajan
C. Pennisetum typhoides
D. Chrysanthemum cinerarifolium.

Answer

To determine which plant is an oil-yielding plant from the given options, we can analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the First Option: Helianthus annuus (Sunflower)**
- Helianthus annuus is commonly known as sunflower.
- It belongs to the family Asteraceae.
- Sunflower is widely cultivated for its beautiful flowers and as an ornamental plant.
- Importantly, sunflower seeds are processed to extract sunflower oil, which is widely used for cooking and food purposes.
- **Conclusion**: Helianthus annuus is an oil-yielding plant.

2. **Identify the Second Option: Cajanus cajan (Pigeon Pea)**
- Cajanus cajan is commonly known as pigeon pea.
- It belongs to the family Fabaceae.
- Pigeon pea is primarily cultivated for its seeds, which are a major source of protein and are often consumed as a vegetable.
- **Conclusion**: Cajanus cajan is not an oil-yielding plant.

3. **Identify the Third Option: Panicum typhoides (Pearl Millet)**
- Panicum typhoides is commonly known as pearl millet.
- It belongs to the family Poaceae.
- Pearl millet is used in the preparation of flatbreads and is a staple food in some regions.
- **Conclusion**: Panicum typhoides is not an oil-yielding plant.

4. **Identify the Fourth Option: Chrysanthemum cinerifolium**
- Chrysanthemum cinerifolium is a flowering plant.
- It belongs to the family Asteraceae.
- This plant is cultivated primarily for ornamental purposes.
- **Conclusion**: Chrysanthemum cinerifolium is not an oil-yielding plant.

5. **Final Conclusion**
- After analyzing all the options, the only plant that yields oil is **Helianthus annuus (Sunflower)**.

### Answer:
The oil-yielding plant is **Helianthus annuus (Sunflower)**.