Question

Which of these is not correct with reference to a compost pit?

Questions 41-48 Read the following passage and answer the questions that follow: - Garbage is a great environmental hazard. It comes from various sources used paper, tiffin packings, plastic bags, ice- cream wrappers, bottle caps, fallen leaves from trees and many more. Garbage makes the premises ugly, unkempt and breeds diseases. A lot of trash that is thrown away contain materials that can be recycled and reused such as paper, metals and glass which can be sent to the nearest recycling centre or disposed of to the junk dealer. Garbage also contains organic matter such as leaves which can enrich soil fertility. A compost pit can be made at a convenient location where the refuse can be placed with layers of soil and an occasional sprinkling of water. This would help decomposition to make valuable fertilizer. This would also prevent pollution that is usually caused by burning such organic waste.

• A. The refuse is placed with layers of soil with an occasional sprinkling of water.
• B. It contributes to the manufacture of useful fertilizer.
• C. It prevents pollution.
• D. It helps in burning away plastic wastes.

Answer 1

Answer:

D. It helps in burning away plastic wastes.

It is incorrect to say that a compost pit helps in burning away plastic wastes because plastics are non-biodegradable and cannot be composted: 

• Explanation

  Plastics are made of non-biodegradable polymers, such as polyethylene. Microorganisms in soil take hundreds of years to decompose plastics. 

• Composting

  Composting is a safe way to manage organic waste, but it is not suitable for plastics. Composting is a process that breaks down biodegradable organic wastes into manure. Some examples of biodegradable organic wastes that can be added to a compost pit include vegetable peels and paper. 

• Burning plastic

  Burning plastic waste, such as bottles, bags, and wrappers, produces highly toxic carbon monoxide (CO) gas.