Question

Among the given options, which one is not correct for the use of a large number of fertilisers and pesticides?

• A. They are eco-friendly
• B. They turn the fields barren after some time
• C. They adversely affect the useful component of the soil
• D. They destroy the soil fertility

Answer 1

The correct option is A

They are eco-friendly

The correct option is A.

The explanation for the correct option:

1. Fertilizers and pesticides are not environmentally friendly.
2. It is because their excessive use kills lady bugs and flower bugs, which naturally protect crops.
3. When pesticides mix with water and enter rivers, they make the water toxic.
4. It becomes dangerous for humans and animals.
5. Fertilizers are chemicals.
6. They contain ammonium sulfate, urea, potash, nitrogen, and phosphorus.
7. Farmers are now using these fertilizers because they help increase plant yield.
8. Pesticides are chemical compounds that farmers use to control insects and pests.
9. Fertilizers and pesticides are both hazardous to the environment.
10. They acidify the soil, making it barren and dry.

The explanation for the incorrect options:

1. Fertilizers and pesticides when used continuously, can degrade the soil quality and thus affect soil fertility.
2. Thus Options B and C are correct statements with respect to fertilizers and pesticides.

Final answer: "They are eco-friendly" is an incorrect statement.