PEOPLE AND ENVIRONMENT SOLVE QUESTIONS SET -D
Q1,Full form of COD is;
A. Chemical Oxide Demand
.B. Chemical Oxygen Demand.
C. Chemical Ozone Demand
.D. None of these
.Answer: Option B
Q2,How much percentage of nitrogen consist in Earth's Atmosphere?
A. 25%.
B. 12%.
C. 92%.
D. 78%
.Answer: Option D
Q3.What is the full form of BOD?
A. Bactorial Oxygen Demand.
B. Biological Oxygen Demand
.C. Biological Oxide Demand.
D. None of these.
Answer: Option B
Q4.Full form of CTBT is;
A. Comprehensive Nuclear-Test-Ban Treaty.
B. Comprehensive Test Bank Trust.
C. Comprehensive Trust Ban Treaty
.D. Comprehensive Test Ban Trusty.
Answer: Option A
Q5,.What percentage of land area should remain covered by forest to maintain Ecological balance?
A. 10%
.B. 5%.
C. 33%.
D. None of these.
Answer: Option C....
Q,6.The disease "Itai Itai" is caused by;
A. Manganize
.B. Carbon.
C. Cadmium.
D. None of these.
Answer: Option C
Q7.Human being can hear range of sound frequency between;
A. 20-20,000 Hertz.
B. 10-1,000 Hertz
.C. 1-100 Hertz.
D. 1-7 HertzAnswer:
Option A
Q8.The Environment Protection Act enacted on;
A. 1980.
B. 1978.
C. 1986.
D. 1991.
Answer: Option C
Q,9.First International Conference on environment held on;
A. March,1968
.B. March,1970.
C. June,1970.
D. June,1972.
Answer with Explanation
Answer: Option D
Q10.With respect to environment science, full form of SPM is;
A. Suspended Partial Matter.
B. Suspended Particulate Matter.
C. Suspended Pollutant Matter.
D. None of these.
Answer: Option B
Q16.Phytoplanktons are the members of;
A. Grassland ecosystem.
B. Desert ecosystem.
C. Forest ecosystem.
D. Aquatic ecosystem.
Answer: Option D
Q17.Syringes are examples of
A. Industrial wastes.
B. Biomedical wastes.
C. Domestic wastes.
D. Radioactive wastes
.Answer: Option B
Q18.Silviculture is the management of-
A. Rivers
.B. Lakes.
C. Hills.
D. Forests.
Answer: Option D
Q19.Minamata diseasse are first detected in;
A. Mexico
.B. Japan.
C. USA.D.
India.
Answer with Explanation
Answer: Option B
PEOPLE AND ENVIRONMENT SOLVE QUESTIONS SET -D
Reviewed by শ্রী শ্রী সত্যনারায়ণ নমঃ
on
October 23, 2018
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