MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
General Knowledge
Environmental Science
Quiz 6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
The process of successful establishment of the species in a new area is called
sere
climax
invasion
ecesis
Q.2
The combustion of waste in the absence of Oxygen is called
Haemolysis
Pyrolysis
Hydrolysis
None
Q.3
Atmospheric humidity is measured by
Auxanometer
Photometer
Hygrometer
none
Q.4
The biggest award for environmental activities in India is given in the name of an individual. In whose name is it constituted?
Lal Bahadur Shasthri
Morarji Desai
Indira Gandhi
Kamaraj
Q.5
Water pollution is due to
agricultural discharges
sewage and other wastes
industrial effluents
all of the above
Q.6
Ozone hole was first discovered in
Africa
Antarctica
India
Europe
Q.7
The world's biggest GHG emitter is
China
USA
India
South Africa
Q.8
Mullaperiyar dam is in the district?
Thrissur
Pathanamthitta
Idukki
Alappuzha
Q.9
Mulching helps in
soil fertility
moisture conservation
improvements soil structure
soil sterility
Q.10
Suppose it is a winter night and at about 11 p.m., the air cools to the dew-point temperature and a thick radiation fog develops. If the air continues to cool during the night, in 5 hours the dew point temperature will probably:
Decrease as the air becomes drier
Decrease as the air becomes moister
Increase as the air becomes drier
Increase as the air becomes moister
Q.11
A river with high BOD value is
highly polluted
highly clean
highly productive
none of these
Q.12
The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:
Frost
Black frost
Hoarfrost
White frost
Frozen dew
Q.13
Non-biodegradable pollutants are created by
nature
excessive use of resources
humans
natural disasters
Q.14
The order of basic processes involved in succession is
Nudation->Invasion-> competition and co action->reaction>stabilization
Nudation->stabilization-> competition and co action->Invasion>reaction
Invasion-> Nudation->competition and co action->Reaction>stabilization
Invasion->stabilization-> competition and co action->Reaction>nudation
Q.15
The indoor pollutant radon which is a radioactive gas causes
lung cancer
anemia
hormone disorder
cardiac arrest
Q.16
How do red and blue light differ?
Blue light has a higher speed of propagation.
The wavelength of red light is longer.
Red light has a higher intensity.
Red and blue light have different directions of polarization.
Q.17
The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the
biotechnical revolution
bioeconomic revolution
green house effect
green revolution
Q.18
In the atmosphere, tiny solid or liquid suspended particles of various composition are called:
Aerosols
Carcinogens
Greenhouse gases
Microbes
Q.19
Freshwater protozoans react to a/an __________ environment by removing water through _______
hypotonic, turgor pressure
isotonic, a contractile vacuole
hypertonic, a contractile vacuole
hypotonic, a contractile vacuole
Q.20
Which of the following is the poorest conductor of heat?
Still air
Water
Ice
Snow
Soil
Q.21
Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called:
Ultraviolet light
Visible light
Infrared light
Microwaves
Q.22
Which of the following has a wavelength shorter than that of violet light?
Green light
Blue light
Infrared radiation
Red light
Ultraviolet radiation
Q.23
Where was the Stockholm conference on Human Environment held?
Sweden
Austria
India
Greece
Q.24
In most areas, the warmest time of the day about 5 feet above the ground occurs:
Around noon
In the afternoon between 3 and 5 PM
In the early evening after 6 PM
Just before the sun sets
Q.25
"Ozone Hole" is a _____________
Hole in the atmosphere
Destruction of ozone layer
Hole in the hydrosphere
Hole in the troposphere
Q.26
The maintenance of relatively constant internal environment is called
Homeostasis
Exotherms
Homeobox
Endotherms
Q.27
Respiratory roots are known as
velamen
pneumatophores
hydathodes
prop roots
Q.28
The conversion of a pond to a climax forest community is an example of
xerarch succession
mesarch succession
hydrarch succession
all of these
Q.29
Hypothermia is most common in:
Hot, humid weather
Cold, wet weather
Hot, dry weather
Cold, dry weather
Q.30
The earth is tilted at an angle of 23.5
o
with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40
o
, we would expect in middle latitudes:
Hotter summers and colder winters than at present
Cooler summers and milder winters than at present
Hotter summers and milder winters than at present
Cooler summers and colder winters than at present
No appreciable change from present conditions
Q.31
What is meant by GM foods?
Growth modified foods
Genetically modified food
Growth marked foods
Good mobility food
Q.32
Which of the following gas is present at a very high concentration in our environment?
O
2
CO
2
H
2
N
2
Q.33
A slow moving river of solid ice is called
delta
watershed
glacier
crevasses
Q.34
The most abundant gas emitted from volcanoes is:
Nitrogen
Sulfur dioxide
Helium
Carbon dioxide
Water vapour
Q.35
What is the major cause of diminishing wildlife number?
Felling of trees
Cannibalism
Habitat destruction
Paucity of drinking water
Q.36
The destruction of habitat of plants and animals is called
endemism
endangered species
habitat loss
flood
Q.37
The only ape found in India
Gorilla
Chimpanzee
Hoolock gibbon
Oranguttan
Q.38
Which of the following is a nonrenewable energy resource?
Solar
Methane
Hydroelectric
Coal
Q.39
What type of energy is derived from heated groundwater?
solar
geothermal
hydroelectric
nuclear
Q.40
Which of the following is correctly matched?
Butterfly - Camouflage
Garden lizard -Mimicry
House lizard -Autotomy
None of these
Q.41
Flora is the __________ life occurring in a particular region or time
plant
animal
human
microbial
Q.42
The formation of __________ is the most characteristic feature in upper course of a river
landslide
canyons
gorges
waterfalls
Q.43
_________ refers to the phenomenon in that the organisms are exclusively restricted to a given area.
Ecosystem
Endemism
Habitat
Food web
Q.44
_________ is the phenomenon where the earth retains heat.
Air pollution
Green house effect
Global effect
Land pollution
Q.45
Ozone depletion in the stratosphere will cause
increased incidence of skin cancer
forest tires
global warming
none of these
Q.46
The animal which consumes decaying organic matter is _________
Carnivore
Detritivore
Herbivore
Producers
Q.47
Which one of the following environmental pollutants has the problem of biomagnifications?
SO
2
NO
3
Hg fungicides
O
3
and CO
2
Q.48
Organ affected by pneumonia
Liver
Kidney
Heart
Lungs
Q.49
_________ is essentially stored solar energy that can be converted in to electricity, fuel and heat.
Biomass
Fossil
Heat
Coal
Q.50
Which among the following is mobile in nature?
Primary productivity
Secondary productivity
GPP
NPP
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page