UGC NET Paper 1 Practice Questions — All Questions

The main cause of the greenhouse effect is:

• a.Greenhouse gases like carbon dioxide trapping heat✓
• b.Oxygen
• c.Sound
• d.Nitrogen

Greenhouse gases such as CO2 trap heat, warming the planet.

Renewable energy includes:

• a.Coal
• b.Petroleum
• c.Solar and wind power✓
• d.Natural gas

Solar and wind are renewable; the others are fossil fuels.

Peer review in academic publishing is used to:

• a.Speed printing
• b.Advertise
• c.Increase fees
• d.Evaluate the quality and validity of research before publication✓

Peer review assesses research quality and validity before publishing.

Biodiversity refers to:

• a.The variety of living organisms in an ecosystem✓
• b.A single species
• c.Only forests
• d.Only animals

Biodiversity is the variety of life in an ecosystem.