Parthenium entered into India as seed contaminant of

Options

A. rice
B. wheat
C. bajra
D. maize

Answer

**Step-by-Step Solution:**

1. **Understanding Parthenium**: Parthenium, also known as carrot grass, is a plant that is not native to India. It is important to identify its origins to understand how it entered the country.

2. **Identifying the Origin**: Parthenium is originally from Tropical America. This information is crucial as it helps trace its introduction to India.

3. **The Year of Introduction**: In 1955, India imported wheat from America. This event is significant as it marks the time when Parthenium was introduced to India.

4. **Contamination of Seeds**: During the importation of wheat, the seeds were contaminated with Parthenium seeds. This means that while wheat was the primary import, it inadvertently brought along the seeds of Parthenium.

5. **Spread in India**: After its introduction, Parthenium spread widely across India and became an invasive species, causing allergic reactions in many people due to its pollen.

6. **Conclusion**: The question specifically asks about the seed contaminant through which Parthenium entered India, which is wheat.

**Final Answer**: Parthenium entered into India as a seed contaminant of wheat.

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