

MCQOPTIONS
Saved Bookmarks
This section includes 124 Mcqs, each offering curated multiple-choice questions to sharpen your Education and Teaching knowledge and support exam preparation. Choose a topic below to get started.
101. |
Ozone hole is said to occur when the ozone level decreases below |
A. | 2 DU |
B. | 20 DU |
C. | 200 DU |
D. | 2000 DU |
Answer» D. 2000 DU | |
102. |
Cholera and Typhoid are caused by |
A. | Virus |
B. | Fungus |
C. | Housefly |
D. | Bacteria |
Answer» E. | |
103. |
Non-point source of water pollution is caused by |
A. | Pipes |
B. | Ditches |
C. | Sewers |
D. | Mining wastes |
Answer» E. | |
104. |
ELA is related to : |
A. | Environmental Impact Assessment |
B. | Environmental and Industrial Activities |
C. | Environmental Internal Activities |
D. | Environmental Impact Activities |
Answer» B. Environmental and Industrial Activities | |
105. |
Which of the following is a biodegradable pollutant? |
A. | CFC |
B. | DDT |
C. | Freon's |
D. | Sewage |
Answer» E. | |
106. |
An ecosystem is a region in which |
A. | Dead organism interact with their environment |
B. | Living organism interact with their environment |
C. | Living organism do not interact with their environment |
D. | All of the above |
Answer» C. Living organism do not interact with their environment | |
107. |
The type of mass movement characterized by a slow and gradual down slope movement is known as |
A. | Creep |
B. | Rockfill |
C. | Landslide |
D. | Mud flow |
Answer» E. | |
108. |
Use of Compressed Natural Gas (CNG) came into effect from |
A. | Dec 2000 |
B. | Dec-01 |
C. | Dec-02 |
D. | Dec-03 |
Answer» D. Dec-03 | |
109. |
Global warming means : |
A. | Increase in Earth's Body Temperature |
B. | Increase in solar radiation |
C. | Acid Rain |
D. | All the above |
Answer» B. Increase in solar radiation | |
110. |
The volume of nitrogen present in the troposphere is |
A. | 0.05 |
B. | 0.21 |
C. | 0.78 |
D. | 0.85 |
Answer» D. 0.85 | |
111. |
Water quality involves measuring the number of colonies of |
A. | Cells |
B. | Protozoa |
C. | Chromozomes |
D. | Coliform bacteria |
Answer» C. Chromozomes | |
112. |
Major problem/s due to industrialization is/are |
A. | Urbanization |
B. | Migration of people |
C. | Development of slums |
D. | All of the above |
Answer» E. | |
113. |
Social security is one of the most important programmes providing benefits to |
A. | Un-employee |
B. | Worker/employee |
C. | Families of deceased |
D. | All of the above |
Answer» E. | |
114. |
The term ecosystem was first proposed by |
A. | Costanza |
B. | Tyler Miller |
C. | A.G. Tansley |
D. | Jacob Van Verkul |
Answer» D. Jacob Van Verkul | |
115. |
Nitrogen fixation from the atmosphere is high in which type of plants? |
A. | Liguminus |
B. | Manocoteliden |
C. | Both (a) and (b) |
D. | None of the above |
Answer» B. Manocoteliden | |
116. |
Organisms who directly feed on producers are called : |
A. | Herbivores |
B. | Omnivores |
C. | Carnivores |
D. | Decomposers |
Answer» B. Omnivores | |
117. |
Facultative Bacteria exisiing in which type of Environmental condition? |
A. | Presence of oxygen |
B. | Absence of oxygen |
C. | Both (a) and (b) |
D. | None of these |
Answer» D. None of these | |
118. |
The basic element in fossil fuels is |
A. | Oxygen |
B. | Carbon |
C. | Sulphur |
D. | Phosphorus |
Answer» C. Sulphur | |
119. |
Tendency of pollutants to become concentrated in successive tropic levels is known as |
A. | Biopiracy |
B. | Biorhythm |
C. | Bioremediation |
D. | Biomagnification |
Answer» E. | |
120. |
'Wild Life Protection Act' was enacted in the year |
A. | 1971 |
B. | 1972 |
C. | 1973 |
D. | 1974 |
Answer» C. 1973 | |
121. |
The major objective of the family welfare programs in India is |
A. | Disease control |
B. | Employment generation |
C. | Population growth rate control |
D. | None of these |
Answer» D. None of these | |
122. |
Percentage of nitrogen in earth's atmosphere is |
A. | 0.12 |
B. | 0.21 |
C. | 0.78 |
D. | 0.98 |
Answer» D. 0.98 | |
123. |
The term 'Refuse' generally does not include is |
A. | Ashes |
B. | Excreta |
C. | Putrescible solid waste |
D. | Non putrescible solid waste |
Answer» B. Excreta | |
124. |
What is the Max. allowable concentration of Iron content in drinking water ? |
A. | 0.5 mg/l |
B. | I.0 mg/l |
C. | 1.5 mg/l |
D. | 2.0 mg/l |
Answer» D. 2.0 mg/l | |