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.

With respect to Eichhornia
Statement A: It drains off oxygen from water and is seen growing in standing water.
Statement B: It is an indigenous species of our country.

(a)

Statement A is correct and Statement B is wrong

(b)

Both Statements A and B are correct

(c)

Statement A is correct and Statement B is wrong.

(d)

Both statements A and B are wrong

Find the wrongly matched pair.

(a)

Endemism - Species confined to a region and not found anywhere else.

(b)

Hotspots - Western ghats

(c)

Ex-situ Conservation - Zoological parks

(d)

Sacred groves - Saintri hills of Rajasthan

(e)

Alien sp. Of India - Water hyacinth

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancer?

(a)

Ammonia

(b)

Methane

(c)

Nitrous oxide

(d)

Ozone

One green house gas contributes 14% of total global warming and another contributes 6%. These are respectively identified as _____.

(a)

N₂O and CO₂

(b)

CFCs and N₂O

(c)

CH₄ and CO₂

(d)

CH₄ and CFCS

One of the chief reasons among the following for the depletion in the number of species making endangered is ______.

(a)

 over hunting and poaching

(b)

green house effect

(c)

competition and predation

(d)

Habitat destruction

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

Deforestation does not lead to _____.

(a)

Quick nutrient cycling

(b)

soil erosion

(c)

alternation of local weather conditions

(d)

Destruction of natural habitat weather conditions

The unit for measuring ozone thickness _____.

(a)

Joule

(b)

Kilos

(c)

Dobson

(d)

Watt

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