Deck 4: Environmental Issues and Pollution

Question 1

Red Data Book Provides data on

A)Red flowered plants
B)Red colored fishes
C)Lists of plants and animals
D)Endangered plants and animals

Answer 1

Endangered plants and animals

Question 2

Wild life is continuously decreasing. What is the main reason of this?

A)Predation
B)Cutting down of forest
C)Destruction of habitat
D)Hunting

Answer 2

Destruction of habitat

Question 3

What is the major cause of diminishing wildlife number?

A)Felling of trees
B)Cannibalism
C)Habitat destruction
D)Paucity of drinking water

Answer 3

Habitat destruction

Question 4

Viable material of endangered species can be preserved by

A)Gene bank
B)Gene library
C)Gene pool
D)Herbarium

Question 5

Which of the following is mainly responsible for the extinction of wild life

A)Pollution of air and water
B)Hunting of flesh
C)Destruction of Habitats
D)All of these

Question 6

The unfavourable alteration of environment due to human activities is termed as

A)ecological disturbance
B)catastrophe
C)ecological degradation
D)pollution

Question 7

Which of the following is the best indicator of SO₂ pollution

A)bryophyte
B)pteridophyte
C)Lichen
D)algae

Question 8

Heavy dust can cause

A)leaf blights
B)opening of stomata
C)closure of stomata
D)browning of leaves

Question 9

Which of the following is the major cause of pollution

A)plants
B)man
C)fungi
D)hydrocarbon gases

Question 10

Minamata disease was caused by pollution of water by

A)mercury
B)lead
C)tin
D)methyl iso cyanate

Question 11

A river with high BOD value is

A)highly polluted
B)highly clean
C)highly productive
D)none of these

Question 12

5th June is observed as

A)world forest day
B)world environment day
C)world wildlife day
D)world population day

Question 13

Cement factory labourers are prone to

A)leukemia
B)bone marrow disease
C)asbestosis
D)cytosilicosis

Question 14

Noise is measured using sound meter and the unit is

A)hertz
B)decibel
C)joule
D)sound

Question 15

The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as

A)pollutants
B)ecodestructions
C)pollution
D)all of these

Question 16

Which of the radioactive material is largely associated with bone cancer

A)radium-226
B)thorium-232
C)Strontium-90
D)iodine

Question 17

Lead poisoning

A)reduces O₂ carrying capacity of haemoglobin in blood
B)increases O₂ carrying capacity of haemoglobin in blood
C)reduces O₂ carrying capacity of myoglobin in muscles
D)increases O₂ carrying capacity of myoglobin in muscles

Question 18

The occurrence of pesticides like DDT in higher trophic levels is termed as

A)bioremediation
B)biomagnification
C)biological enhancement
D)biopollution

Question 19

Earth summit was held in

A)Stockholm in 1972
B)Rio de Jeneiro in 1992
C)Paris in 1992
D)New York in 1972

Question 20

All are physical pollutants except

A)heat
B)sound
C)radiations
D)soot

Question 21

All are primary pollutants except

A)Ammonia
B)Peroxy Acyl Nitrate (PAN)
C)sulphur dioxide
D)hydrogen sulphide

Question 22

Pollutants that are introduced into the environment by human activity are called as

A)qualitative pollutants
B)quantitative pollutants
C)anthropogenic pollutants
D)all of these