UGC NET Questions (Paper – 1)

Energy conservation refers to reducing energy use by avoiding waste and improving practices without necessarily changing technology. Turning off unused lights and fans directly cuts electricity consumption and is a classic conservation behaviour. The stem describes exactly this type of action,so energy conservation is the correct term. Therefore Option C fits best.

Option A:
Generation is producing electricity at power plants; it is not the household action described.

Option B:
Transmission is delivering electricity through the grid; it is not about switching off appliances at home.

Option C:
Energy conservation reduces energy use through behavioral or operational changes like switching off devices when not needed,matching the stem.

Option D:
Waste collection relates to solid waste management,not electricity saving behavior.

Energy efficiency means using less energy to provide the same or better level of service,for example through LED bulbs or well insulated buildings. It reduces energy bills and emissions simultaneously. The stem explicitly refers to maintaining the same level of service with less energy input,which is the core definition of energy efficiency. Therefore Option A is correct.

Option A:
Improving energy efficiency can be achieved through technological upgrades,maintenance and behavioural changes. It is often considered the lowest cost option for reducing greenhouse gas emissions. These characteristics match the description given in the question.

Option B:
Energy scarcity describes a situation where energy resources are insufficient to meet demand. It is a structural condition,not a measure of how effectively energy is used,so it does not suit the stem.

Option C:
Energy mining refers to extracting energy resources such as coal or uranium from the ground. It increases supply rather than making use more efficient,so it is not relevant here.

Option D:
Energy pricing relates to the tariff structure and cost of energy for consumers. While it can influence efficiency behaviour,it is not itself the process of delivering the same service with less energy.