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
16.
The area where two major communities meet and blend together is termed as

a
Ecotype
b
Biotype
c
Ecotone
d
Meeting place

17.
Which of the following is a primary pollutant in atmospheric air?

a
Cl2
b
SO3
c
Nitrates
d
Sulphates

18.
Which of the following habitats has not been included as Indian biodiversity hot spots?

a
TheEastern Ghats
b
TheWestern Ghats
c
North-Eastern Hills
d
South-Eastern Hills

19.
Maximum carbon in the world is found in

a
Oceans
b
Coal mines
c
Antarctica
d
Forests

20.
The background noise level in an area is represented by which of the following noise indices?

a
TNI
b
L50
c
L90
d
L10

21.
The method for down streaming of ethanol from fermentation broth is

a
Filtration
b
Flame Photometry
c
Distillation
d
Flow cytometry

22.
Which one of the following category of earthworms is most suitable for Vermicomposting?

a
Anecic
b
Epigeic
c
Endogeic
d
All the above

23.
Which one of the following is a methyl isocyanate (MIC) based pesticide?

a
Sevin (Carbaryl)
b
Temix (Aldicarb)
c
Furadon (Carbofuran)
d
All the above

24.
Which of the following is a correct sequence of secondary seral vegetation development on any habitat?

a
Invasion - Ecesis - Aggregation - Stabilization
b
Ecesis - Aggregation - Invasion - Stabilization
c
Ecesis - Invasion - Aggregation - Stabilization
d
Aggregation - Invasion - Ecesis- Stabilization

25.
Public hearing is conducted

a
Prior to site selection
b
Prior to approval of Terms of Reference
c
After preparation of EIA
d
After environmental clearance

26.
Which of the following food chain is correct?

a
Phytoplankton ! Zooplankton ! Turtle ! Crabs
b
Phytoplankton ! Zooplankton ! Crab ! Turtle
c
Zooplankton ! Turtle ! Crab ! Phytoplankton
d
Turtle ! Crab ! Zooplankton ! Phytoplankton

27.
National Ambient Air Quality Standards for major pollutants were notified by CPCB in

a
1994
b
1974
c
1984
d
2004

28.
The chemical formula for CFC-11 is

a
CF2Cl2
b
CFCl3
c
CHCl3
d
CHFCl2

29.
Depending upon the amount of net primary productivity the various ecosystems can be arranged in a decreasing sequence of yield.

a
Tropical seasonal forest - Tropical rain forest - Temperate Grassland - Woodlandand Shrubland.
b
Tropical rain forest - Temperate Grassland -Woodlandand Shrubland - Tropical seasonal forest.
c
Tropical seasonal forest - Tropical rain forest -Woodlandand Shrubland - Temperate Grassland
d
Tropical rain forest - Tropical seasonal forest -Woodlandand Shrubland - Temperate Grassland.

30.
Which of the following is a type of biodiversity extinction caused primarily due to anthropogenic activities?

a
Carboniferous rain forest collapse
b
Cretaceous paleogene extinction
c
Permian - Triassic extinction
d
Holocene extinction

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