ENVIRONMENTAL SCIENCE | MID TERM ASSESSMENT

Forest control drought through?

• These have lots of water plants

• Increasing rainfall

• Retention of water and prevention of soil erosion

• Functions as water shed

Answer explanation

Which of the following allow scientific research?

• Biosphere reserves

• National parks

• Botanical gardens

• All the above

Which one of the following is known as ‘lungs of the planet’?

• The Amazon rainforest

• Sundarbans

• Daintree rainforest

• Xishuangbanna

Total number of biodiversity hotspots in the world is?

• 25

• 34

• 14

• 448

Conservation in ecology means:

• Protection of natural resources

• Management of natural resources

• Proper and sustained use of natural resources

• All the above

Overgrazing causes:

• Negative pollution

• Removal of weeds

• Reduction in crop yield

• Soil erosion

Earth Summit at Rio de Janeiro was related to:

• Conservation of biodiversity

• Survey of natural resources

• Conservation of environment

• Conservation of biodiversity and sustainable utilisation of natural

  resources.

When ‘need’ turns to ‘greed’, it leads to:

• Habitat loss and fragmentation

• Alien species invasions

• Co-extinctions

• Over-exploitation

IUCN denotes:

• Indian Union for Cultural Natural Resources

• International Union for Caretaker Nations

• Industrial Union for Capital and Natural Resources

• International Union for Conservation of Nature and Natural Resources

Indian Government enacted the ‘Wildlife Protection Act’ in:

• 1972

• 1952

• 1982

• 1992