Question

Xanthium, Parthenium, Cyperinus are examples of:

• A. A non-degradable pollutant
• B. A biodegradable pollutant
• C. An antibiotic
• D. Not a pollutant

Answer 1

The correct option is A

A non-degradable pollutant

Weeds are fast growing, unwanted plants growing in cultivated fields which take up nutrients and reduce the growth of the crop. Xanthium, Parthenium, Cyperinus, etc. are examples of weeds. Therefore, removal of weeds from cultivated fields during the early stages of crop growth is essential for a good harvest.