Environmental Issues MCQs | Environmental Issues Multiple Choice Questions (MCQs) and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 What is the cause of decrease in the population of birds in an aquatic food chain
A Due to DDT
B Due to 2,4D
C Due to CFCs
D Due to ABA

Answer:Due to DDT
2 Which of the following is the Terror of Bengal
A Banyan tree
B Water Hyacinth
C Hydrilla
D Vallisneria

Answer:Water Hyacinth
3 Which of the following is the dominant among greenhouse gases
A Methane
B CFCs
C Oxides of nitrogen
D Carbon dioxide

Answer: Carbon dioxide
4 What are the effects of UB-B radiations on human beings
A Ageing of skin
B Skin cancers
C Snow-blindness
D All the options

Answer: All the options
5 Name the problems associated with Green Revolution.
A Waterlogging
B Soil salinity
C Both a and b
D None

Answer: Both a and b
6 Which of the compounds are responsible for accelerated eutrophication
A Sulphates
B Nitrates
C Phosphates
D Both b and c

Answer:Both b and c
7 FOAM is associated with
A STDs
B STP
C MTP
D MOET

Answer:STP
8 Which one of the following is a wrong statement?
A Greenhouse effect is a natural phenomenon
B Eutrophication is a natural phenomenon in freshwater bodies
C Most of the forests have been lost in tropical areas
D Ozone in upper part of atmosphere is harmful to animals

Answer:Greenhouse effect is a natural phenomenon
9 In an area where DDT had been used extensively, the population of birds declined significantly because
A Cobras were feeding exclusively on birds
B Many of the birds eggs laid, did not hatch
C Birds stopped laying eggs
D Earthworms in the area got eradicated

Answer:Many of the birds eggs laid, did not hatch
10 Measuring Biochemical Oxygen Demand (BOD) is a method used for
A Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale
B Working out the efficiency of R.B.Cs. about their capacity to carry oxygen
C Estimating the amount of organic matter in sewage water
D Working out the efficiency of oil driven automobile engines

Answer:Estimating the amount of organic matter in sewage water
11 dB is a standard abbreviation used for the quantitative expression of
A The dominant Bacillus in a culture
B The density of bacteria in a medium
C A certain pesticide
D A particular pollutant

Answer:A particular pollutant
12 Identify the correctly matched pair
A Basal Convention – Biodiversity Conservation
B Montreal Protocol - Global warming
C Kyoto protocol – Climatic change
D Ramsar Convention – Ground water pollution

Answer: Kyoto protocol – Climatic change
13 Common indicator organism of water pollution is:
A Entamoeba histolytica
B Escherichia coli
C Eichhornia crassipes
D Lemna paucicostata

Answer: Escherichia coli
14 Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This is due to interference in the activity of :
A Calmodulin
B Mg ATPase
C Ca ATPase
D None of the above

Answer: Ca ATPase
15 Lichens can be used as :
A Source of wood
B Initial vegetation for waste lands
C Bio-indicator for water and air pollution
D To check the air pollution

Answer:To check the air pollution
16 Industrial melanism is an example of
A Protective resemblance with the surrounding
B Drug resistance
C Defensive adaptation of skin against UV radiations
D Darkening of skin due to industries

Answer: Darkening of skin due to industries
17 Carbon dioxide is called green-house gas because it is
A Transparent to sunlight but traps heat
B Transparent to heat but traps sunlight
C Used in green-house to increase plant growth
D Transparent to both sunlight and heat

Answer: Used in green-house to increase plant growth
18 Trichoderma harzianum has proved a useful microorganism for:
A Reclamation of wastelands
B Bioremediation of contaminated soils
C Biological control of soil-borne plant pathogens
D Gene transfer in higher plants

Answer:Biological control of soil-borne plant pathogens
19 The two gases making highest relative contribution to the greenhouse gases are
A CO2 and N2O
B CO2 and CH4
C CH4 and N2O
D CFC5 and N2O

Answer: CO2 and CH4
20 The slow rate of decomposition of fallen logs in nature is due to their:
A Poor nitrogen content
B Low moisture content
C Low cellulose content
D Anaerobic environment around them

Answer: Low cellulose content

Random GK Questions

Q. What is the chemical name of vinegar?
Q. Under which section of Cr.P.C. a person who is avoiding execution of a warrant may be proclaimed absconder ?
Q. Which of the following blood group is a universal recipient?
Q. What is the actual shape of the Earth ?
Q. Which was described by Dr. B.R. Ambedkar as the heart and soul of the Constitution ?
Q. The Government of India derives its single largest source of revenue from
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series