NEET Botany Environmental Issues model,mock,sample test,MCQs,PDFs

Environmental Issues Mock Test-6

Question No:1

In stratosphere, UV rays act on CFCs (Chlorofluoro Carbons) and release which atom leading to ozone depletion?

[A] ‘F’ atoms
[B] ‘Cl’ atoms
[C] ‘H’ atoms
[D] ‘C’ atoms



Question No:2

Which of these is incorrect about ozone depletion?

[A] CFCs releases ‘Cl’ atom causes degradation of O3.
[B] ‘Cl’ atoms acts as catalyst.
[C] ‘Cl’ atom is not consumed in the reaction.
[D] It is minimum over Antarctica region



Question No:3

Antarctic region has a large area of thinned ozone layer, commonly known as:

[A] Dobson unit
[B] Ozone hole
[C] Black hole
[D] All of the above



Question No:4

UV-B radiation causes:

[A] Damage to DNA
[B] Aging of skin
[C] Skin cancer
[D] All of the above



Question No:5

In human eye, cornea absorbs UV- B radiation, and a high dose of UV-B causes inflammation of cornea, known as:

[A] Night blindness
[B] Xerophthalmia
[C] Epicanthus
[D] Snow-blindness



Question No:6

Which international treaty was signed at Montreal (Canada) in (effective in ) to control the emission of ozone depleting substances?

[A] Kyoto Protocol
[B] Earth Summit
[C] Montreal Protocol
[D] All of the above



Question No:7

Ozone hole over Antarctica develops each year between:

[A] Late August and early October
[B] Late February and early April
[C] Late December and early February
[D] Late October and early December



Question No:8

In which year did Government of India introduce the concept of Joint Forest Management (JFM)?

[A] 1974
[B] 1980
[C] 1990
[D] 1970



Question No:9

‘Chipko movement’ was started by which community?

[A] Bishnois
[B] Garhwal
[C] Sahiwal
[D] Jain



Question No:10

How many daughters of Amrita Devi were cut down along with trees?

[A] 1
[B] 2
[C] 3
[D] 4



Question No:11

Government of India has recently instituted which award for individuals or communities from rural areas that have shown extra-ordinary courage and dedication in protecting wildlife?

[A] PadmaBhushan
[B] Chipko Award
[C] Bharat Ratna
[D] Amrita Devi



Question No:12

According to an estimate, almost _____ percent forests have been lost in the tropics, compared to only _______ percent in the temperate region.

[A] 40, 10
[B] 60, 20
[C] 40, 1
[D] 20,1



Question No:13

National Forest Policy () of India has recommended _____ percent forest cover for the plains and _____ percent for the hills,

[A] 60,40
[B] 33,67
[C] 40,60
[D] 67,33



Question No:14

By the end of th century India lost how much forest cover?

[A] 30%
[B] 19.40%
[C] 33%
[D] 10.6



Question No:15

Jhum cultivation (slash and burn agriculture) is found hi which part of India?

[A] North- eastern state
[B] Western state
[C] Southern state
[D] Desert state