Environmental Science Practice Tests | NTA UGC NET Exam Questions June 2021

1.The pioneer community in human evolution is:
Agrosociety
Patoralists (Nomadic)
Industrial society
Hunting and gathering society

2.Name the person, who launched the Green Belt Movement in Kenya, and got the Nobel Peace Prize:
Wangari Maathai
Gehard Ertl
Koichi Tanaka
Ryojii Noyori

3.Which chemical form of mercury is completely water soluble?
Elemental mercury in liquid state
Monomethyl mercury
Dimethyl mercury
Elementary mercury in vapour state

4.Identify the environmnetal system with lowest entropy:
Land in monoculture agriculture sustained by high energy input
soil containing a balanced community of living organisms
Coal reduced to CO2
Polluted rivers

5.The portion of UV spectrum which readily destroys DNA and causes skin cancer is:
320nm to 400nm
280nm to 320nm
100nm to 280nm
400nm to 700nm

6.Free energy value of zero indicates:
spotaneous reaction in forward direction
the state of equilibrium
no reaction at all
spotaneous reaction in backward direction

7. Which one among the following is not an example of detrital sedimentary rocks?
Sandstone
Chalk
Shale
Conglomerate

8.Which one among the following compounds has the least Ozone Depleting Potential?
CFC-11
Halons
HCFCs
Methyl Bromide

9.The flagship species of Kedarnath Wildlife santuary is
Elephant
Musk deer
Wild boar
Tiger

10. The maximum permissible limit of BOD(mg/ml) in the treated waste water can be discharged into garden for watering is:
20
30
40
10

Practice More MCQ on BOD and COD

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Practice more: Practice Test on Cell Biology Methods in Biology

Tags: Environmental Science Practice Tests UGC NET Environmental Sciences Exam

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