Environmental Issues Set 3 MCQs

Q1 | Biological treatment of water pollution can be done by

Lichen

Phytoplankton

Algae

None of these

Q2 | Eichornia is a…

Desert plant

Water plant

Terrestrial plant

Parasitic plant

Q3 | Who created the Haryana Welfare Club?

Ramesh Dagar

Sunderlal Bahuguna

Ahmad Khan

Suresh Dagar

Q4 | What is the major problem of using nuclear energy?

Accidental leakage

It is very costly

Safe Disposal

Both A and C

Q5 | Which is the recommended depth to burry nuclear waste?

500mt

5000mts

600mts

50mts

Q6 | Name the natural phenomenon responsible for heating of earth’s surface and atmosphere?

Global warming

Green house effect

Eutrophication

Aforestation

Q7 | What is the average temperature of earth maintained by green house effect?

15°c

18°c

25°c

30°c

Q8 | In which form earth ‘s surface reemits heat?

UV radiation

Infrared radiation

Gamma rays

rays

Q9 | Which gases are commonly known as green house gases?

CO2 & CH4

CO2 & NH4

CO & N2

NH4, CO ,SO2

Q10 | What is correct for the region labeled as a,b,c and d?

a- CO2 60% ,b- CH4 20% , c- CFC 14% ,d-N2O 6%

a- CFC60% ,b- CH4 20% , c- CO2 14% ,d-N2O 6%

a- CFC60% ,b- CO2 20% , c- CH4 14% ,d-N2O 6%

a- CFC60% ,b- CH4 20% , c- N2O 14% ,d- CO2 6%

Q11 | .In the given chart of biological magnification what does a and b indicate? Fish eating birds-DDT -25ppm

a=phytoplanktons,b=insects eating bird

a= Zooplanktons , b=large fish Small fish-DDT - 0.5ppm

a=DDT-0.03ppm,b=DDT-2ppm

a=DDT-0.04ppb,b-DDT-2ppb Water- DDT -0.0003ppm

Q12 | Name the disease caused by water pollution?

Polio

Typhoid

Tuberculosis

Leprosy

Q13 | Which disease is not caused by water pollution?

Cholera

Typhoid

Tuberculosis

Dysentery

Q14 | Which is the main pollutant content of domestic sewage?

Biodegradable organic matter

Biodegradable inorganic matter

Flurohydro carbons

Dissolve salts

Q15 | What I the result of El Nino Effect?

Melting of polar icecap

Rise in sea level

Melting of Himalayan snow caps

All of these

Q16 | What are the reasons for soil erosion and desertification?

Over cultivation

Unrestricted grazing

Deforestation

All of these

Q17 | Heavy metals can be defined as elements with density…

>5g/cm3

<5g/cm3

<5g/m3

>5g/cm3

Q18 | What should be the forest cover recommended by National forest policy1988?

30% in plains and 76% in hill

33% in plains and 67% in hills

35% in plains and 76% in hills

22% in plains and 70%in hills

Q19 | Name the community known for its peaceful coexistence with nature?

Bishnoi

Bikaneries

Krishnoi

Jhodhapuries

Q20 | Bad ozone is formed in ——— layer of atmosphere ?

Troposphere

Stratosphere

Thermosphere

Ozonosphere

Q21 | What is snow blindness?

Can not see due to Cataract

Cannot see in the snow

Inflammation of cornea

Inflammation of eyeball

Q22 | Which atoms are released by the action of UV rays on CFC?

O

C

Fl

Cl

Q23 | In which part of atmosphere degradation of ozone takes place?

Troposphere

Stratosphere

Thermosphere

Ozonosphere

Q24 | Measurement of ozone layer is done by ——— unit.

Du

Db

Ds

dv

Q25 | Formation of ozone gas in upper layer depends on

U V ray

Infrared

gamma rays

rays.