A crop yielding unsaturated oil is

Options

A. Solanum tuberosum
B. Lycopersicum esulentum
C. Helianthus tuberosus
D. Helianthus annuus.

Answer

To determine which crop yields unsaturated oil among the given options, we can analyze each option step by step.

### Step 1: Analyze the first option - Solanum tuberosum
- **Identification**: Solanum tuberosum is the scientific name for potato.
- **Usage**: Potatoes are primarily used as a vegetable and do not yield oil.
- **Conclusion**: This option does not yield unsaturated oil.

### Step 2: Analyze the second option - Lycopersicum esculentum
- **Identification**: Lycopersicum esculentum is the scientific name for tomato.
- **Usage**: Tomatoes are also used as a vegetable and are not known for oil production.
- **Conclusion**: This option does not yield unsaturated oil.

### Step 3: Analyze the third option - Helianthus tuberosus
- **Identification**: Helianthus tuberosus is known as Jerusalem artichoke.
- **Usage**: While it is edible, it is not primarily known for oil production.
- **Conclusion**: This option does not yield unsaturated oil.

### Step 4: Analyze the fourth option - Helianthus annuus
- **Identification**: Helianthus annuus is the scientific name for common sunflower.
- **Usage**: Sunflower seeds are widely cultivated for oil extraction. The oil derived from sunflower seeds is rich in unsaturated fatty acids.
- **Conclusion**: This option yields unsaturated oil.

### Final Answer
Based on the analysis, the crop yielding unsaturated oil is **Helianthus annuus** (common sunflower).

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