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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Environmental Issues Set 3
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.