WorksheetsChapter-5 (Conservation of Plants and Animals)
Total questions: 17
Worksheet time: 17mins
Clearing of forests and using that land for other purposes
Drought
Reforestation
Deforestation
Biologi
Purposes that trees are cut for:
Producing land for cultivation
Building houses and factories
For fun
Because they need a lot of water
Natural cause of deforestation
(a)
Deforestation increases _____________
Happiness
Animals
Pollution level
None of these
What does deforestation do?
Increases the balance in nature
Decreases natural droughts
Decreases pollution level
Disturbs balance in nature
Does ground level water increases or decreases due to deforestation?
Increases
Decreases
Can Global Warming occur due to deforestation?
No, because the level of oxygen will be high
Yes, as the carbon dioxide level will be low
No, I don't know what Global Warming is
Yes, as it will increase the amount of carbon dioxide in the atmosphere
Can carbon dioxide trap Sun's heat rays
No
Yes
What does picture indicate?
Reforestation
Deforestation
What is desertification?
When desert turns into land
When soil turns into desert
When soil grows cactus
When desert collects a lot of sand
Areas where animals are protected from any disturbance to them and their habitat
National Park
Wildlife Sanctuary
Biosphere reserve
Zoo
Part of the earth in which living organisms exist or which supports life
Wildlife
Biodiversity
Biosphere
Biodegradable
Variety of organisms existing on the earth, their interrelationships and their relationship with the environment
Biosphere
Biodiversity
Biological reserve
Biologists
Animals found in a particular area
Flora
Fauna
Species of plants and animals which are found exclusively in a particular area
(a)
Group of population which are capable of interbreeding
(a)
Source book which keeps a record of all the endangered animals and plants
(a)
