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Ecology, Biodiversity Conservation and Environmental Issues

Ramya_naidu

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Ecology, Biodiversity Conservation and Environmental Issues mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
31.
Which one of the following is a complex in organic fertilizer?

a
Urea
b
Super phosphate
c
Potash
d
NPK
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32.
Municipal Solid Wastes (MSWs) have the heating value typically in the range

a
9,300 to 12,800 kJ/kg
b
1000 to 2500 kJ/kg
c
1780 to 2830 kJ/kg
d
530 to 780 kJ/kg
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33.
Which of the following is true when frequency of occurrence of risk is remote but possible?

a
Risk is acceptable.
b
Risk is unacceptable.
c
Risk reduction measures should be implemented.
d
Both (a) and (b) are true.
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34.
Vegetation cover shows maximum re- flectance in which of the following regions of the electromagnetic radiation spectrum?

a
Ultraviolet
b
Near infrared
c
Visible
d
Middle infrared
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35.
An important source of Arsenic in Municipal Solid Water (MSW) is

a
Pigments in plastics
b
Batteries
c
Rubber products
d
Household pesticides
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36.
Environmental Protection Act was enacted in India during

a
1986
b
1987
c
1984
d
1994
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37.
In terrestrial ecosystems, roughly how much NPP ends up being broken down by decomposers?

a
10 %
b
50 %
c
70 %
d
90 %
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38.
In about a 7 metre deep pond the series of vegetation development will be

a
Submerged ! Floating ! Reed ! Herb
b
Submerged ! Reed ! Floating ! Herb
c
Floating ! Submerged ! Reed ! Herb
d
Floating ! Reed ! Submerged ! Herb
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39.
Which of the following is an example of lotic ecosystem?

a
Bog ecosystem
b
Stream ecosystem
c
Pond ecosystem
d
Wetland ecosystem
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40.
GLOBE stands for

a
Global Leaders and their Observations to Benefit the Environment
b
General Learning and Observations to Benefit the Environment
c
Global Learning and Observations to Benefit the Environment
d
Global Leading Occupations to Benefit the Environment
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41.
Algal biofertilizer consists of

a
Blue green algae and earthworm
b
Green algae and Rhizobia
c
Blue green algae and Azolla
d
Algal biomass and Mycorrhiza
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42.
The biodegradation of plant material is slow because of presence of

a
Cellulose
b
Extensin/protein
c
Xylene
d
Lignin
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43.
Pyramid of trophic levels is always upright in case of

a
Biomass
b
Number
c
Energy
d
All of the above
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44.
Who issues the Ecomark notification?

a
Ministry of Environment and Forest, Govt. ofIndia
b
Department of Science and Technology, Govt. ofIndia
c
Ministry of Human Health and Family Welfare, Govt. ofIndia
d
Bureau of Indian Standards
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45.
The colour code of the container for collection of waste scrap generated from Hospitals is

a
Red
b
Blue
c
White
d
Green
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