Environmental Pollution MCQs | Environmental Pollution Multiple Choice Questions with Answers

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Questions
1 Which horizon helps to determine the pH of the soil?
A A
B B
C C
D O

Answer: c
2 How many horizons are there in soils?
A One
B Two
C Three
D Four

Answer: Four
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3 What is soil profile?
A A cross sectional view of the horizons in a soil
B A front view of the horizons in a soil
C A cross sectional view of the horizons in rocks
D A front view of the horizons in rocks

Answer: A cross sectional view of the horizons in a soil
4 What is called for the matured soils which are arranged in a series of zones?
A Soil zones
B Soil layers
C Soil horizons
D Soil benches

Answer: Soil horizons
5 Under ideal climatic conditions how many cms of soil is developed?
A One
B Two
C Three
D Four

Answer: One
6 In which temperature soil develops slowly?
A Summer
B Wind
C Rainy
D Cold

Answer: Cold
7 The organic matter present in the water is of __________ types.
A Two
B Three
C Four
D Five

Answer: Two
8 Waste water released from _________ are not the sources of bacteria.
A Sanitaria
B Municipalities
C Tanning
D Industries

Answer: Industries
9 The decomposition of the matter produces into ___________ and in presence of____________
A Carbondioxide and oxygen
B Oxygen and nitrogen
C Nitrogen and carbondioxide
D Nitrogen and chlorine

Answer: Carbondioxide and oxygen
10 The disappearance of the plants and animals is due to the _________ in water.
A Nitrogen depletion
B Chlorine depletion
C Oxygen depletion
D Ozone depletion

Answer: Oxygen depletion
11 The optimum value in natural water is ________
A 2-4ppm
B 4-7ppm
C 4-6ppm
D 2-7ppm

Answer: 4-6ppm
12 SMOG is derived from:
A Smoke
B Fog
C Both A and B
D Only A

Answer: Both A and B
13 The ____________ is an important requirement of the aquatic life.
A Dissolved nitrogen
B Dissolved chlorine
C Dissolved oxygen
D Dissolved methane

Answer: Dissolved oxygen
14 Helminth in the water causes __________
A Hook worm
B Amoebic dysentery
C Cholera
D Typhoid

Answer: Hook worm
15 Bacteria in water causes ________
A Malaria
B Typhoid
C Dengue
D Chicken guinea

Answer: Typhoid
16 Amoebic dysentery is caused by ___________
A Viruses
B Bacteria
C Helminth
D Protozoa

Answer: Protozoa
17 Bacteria and micro organisms present in the water will cause _________ in human and animals.
A Indigestion
B Intestinal tract
C Brain tumour
D Cancer

Answer: Intestinal tract
18 Fishes can store more quantity of ___________ in their bodies.
A Mercury
B Bismuth
C Palladium
D Chlorine

Answer: Mercury
19 ___________ poisoning water in Japan is from fishes.
A Bismuth
B Arsenic
C Antimony
D Palladium

Answer: Arsenic
20 What type of precautions will be taken to survive when ozone level is high?
A Drive less
B Stay hydrated
C Avoid using gas powered engines
D All of the above

Answer: All of the above

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