Environmental Science Quiz

The term ‘Environment’ refers to:

• Only air and water

• Everything surrounding an organism

• Only living components

• Only the atmosphere

Ecological succession is:

• Energy flow in food chains

• Gradual replacement of one ecological community by another

• Evolution of new species

• Extinction of species

Which is not a type of biodiversity?

• Genetic

• Species

• Ecosystem

• Cultural

India is considered a mega-diversity nation because:

• Large population

• Rich variety of flora and fauna

• Large land area

• Many rivers

In-situ conservation refers to:

• Conserving species in their natural habitat

• Conserving species outside natural habitat

• Using seed banks

• Zoos and aquariums

Major threats to biodiversity include:

• Habitat loss, poaching, and man-wildlife conflict

• Recycling

• Afforestation

• Environmental awareness

Water pollution is mainly caused by:

• Deforestation

• Industrial effluents and sewage

• Noise

• Soil erosion

Noise pollution mainly affects:

• Air quality

• Human health and hearing

• Soil fertility

• Water quality

E-waste management involves:

• Organic waste disposal

• Safe recycling and disposal of electronic devices

• Incineration of plastics

• Reducing water usage

The Environmental Protection Act in India was enacted in:

• 1972

• 1986

• 1990

• 2000