NEET BIOLOGY

Detailed explanation-1: -Cycling or recycling is the reuse of waste materials. Based on the nature of garbage, it is disposed of in different ways such as composting, dumping in landfills etc. Hence cycling is not a method of disposal of garbage.

Detailed explanation-2: -Explanation: Bangalore method is a method of composting whereas the area, depression and trench methods are the landfilling method.

Detailed explanation-3: -The non-biodegradable wastes can be managed by following 3 R’s-Reduce, Reuse, and Recycle. The use of disposable non-biodegradable materials like plastic bags and disposable napkins are increasing in our day to day life.

Detailed explanation-4: -Composting can be carried out in two ways i.e., aerobically and anaerobically. During aerobic composting aerobic micro-organisms oxidise organic compounds to Carbon di oxide, Nitrite and Nitrate. Carbon from organic compounds is used as a source of energy while nitrogen is recycled.

Detailed explanation-5: -Some common examples of non-biodegradable wastes are plastic, glass, metals, etc. Metals, glass and plastic can be recycled if they are conserved properly after using them once.