Raintree - our environment

Which is not a natural ecosystem?

• Desert

• Aquarium

• Forest

• None of these

Which is a human-made environment?

• Mountain

• Sea

• Road

• All of these

Which is a threat to the environment?

• Growing population

• Growing plant

• Growing crops

• None of these

Which of the following are environment-friendly practices?

• Carrying a cloth bag to put purchases while shopping.

• Switching off unnecessary lights and fans

• Walking to school instead of getting someone to drop you on a scooter

• All of these

Kitchen wastes can be hygienically disposed of through

• Dumping

• Composting

• Incineration

• Recycling

Environment includes

• Land, air, water

• Light, temperature, rainfall

• Plants, animals, microbes

• All of these

Problem of solid waste disposal can be reduced through

• Recycling

• Lesser pollution

• More timber

• Population control

An environment-friendly practice is

• Using CFLs at homes and offices

• Using the car to go to nearby places

• Using AC in every room

• Burning plastics

Ozone hole may cause

• Mutations

• Global warming

• Skin cancer

• All of these

Biodegradable wastes include

• Aluminium foils

• Glass bottles

• Pesticides

• Wood shavings