Which of the following would most likely help to slow down the greenhouse effect.

(a)

Converting tropical forests into grazing land for cattle.

(b)

Ensuring that all excess paper packaging is buried to ashes.

(c)

Redesigning landfill dumps to allow methane to be collected.

(d)

Promoting the use of private rather than public transport.

Deforestation means ______.

(a)

growing plants and trees in an area where there is no forest

(b)

growing plants and trees in an area where the forest is removed

(c)

growing plants and trees in a pond

(d)

Removal of plants and trees

People’s movement for the protection of environment in Sirsi of Karnataka is ______.

(a)

Chipko movement

(b)

Amirtha Devi Bishwas movement

(c)

Appiko movement

(d)

None of the above

The plants which are grown in silivpasture system are ______.

(a)

Sesbania and Acacia

(b)

Solenum and Crotalaria

(c)

Clitoria and Begonia

(d)

Teak and sandal

Which is not a greenhouse gas?

(a)

CO₂

(b)

N₂O

(c)

O₃

(d)

CFC

Methane is ________________ times as effective as CO₂ at trapping heat.

(a)

5

(b)

10

(c)

20

(d)

100

Baccaurea courtallensis

(1)

Casuarinas

Hardwickia binata

(2)

Acacia

Nepenthes khasiyana

(3)

Northern India

Invasive species

(4)

Southern Western Ghats

Phytoindicator

(5)

Khasi Hills

What is ozone hole?

Expand CCS. (or) What is CCS?

Define global warming.

What is Dobson unit?

Explain the term social forestry.

Distinguish between In-situ conservation and Ex-situ conservation.

What is carbon sequestration?

How do forests help in maintaining the climate?

How do sacred groves help in the conservation of biodiversity?

List out the effects of global warming.

Mention any three sources of carbon dioxide emission.

Explain the role of lakes in an ecosystem.