Biology - Environmental Issues
Exam Duration: 45 Mins Total Questions : 30
Photochemical smog pollution does not contain
- (a)
ozone
- (b)
nitrogen dioxide
- (c)
carbon dioxide
- (d)
PAN (Peroxy Acetyl Nitrate)
Pollution of SO2 destroys
- (a)
lichen
- (b)
fungi
- (c)
algae
- (d)
fishes
which of the following is the main factor of water pollution?
- (a)
Pesticides
- (b)
Ammonia
- (c)
Industrial wastes
- (d)
Detergents
Which of the following is used to remove particulate matter?
- (a)
Elextrophoresis
- (b)
Electrostatic precipitator
- (c)
Electromagnetic lenses
- (d)
All of these
DDT is
- (a)
a non-degradable pollutant
- (b)
an antibiotic
- (c)
a biodegradable pollutant
- (d)
not a pollutant
In which of the following layers of atmosphere, ozone depletion is most harmful?
- (a)
Trophosphere
- (b)
stratosphere
- (c)
mesosphere
- (d)
Nanosphere
Which of the following treaty was signed to recongnising the deleterious affects of ozone depletion?
- (a)
Chipko movement
- (b)
Montreal protocol
- (c)
Earth Summit
- (d)
Kyoto protocol
Montreal protocol, which calls for appropriate action to protect the ozone layer from human activities was passed in the year
- (a)
1986
- (b)
1987
- (c)
1988
- (d)
1985
Greenhouse effect refers to
- (a)
Production of more food
- (b)
Trapping of UV rays
- (c)
Cooling of earth
- (d)
Warming of earth
Which is correct regarding air pollution?
i. Smoke from forest fires volcanic eruptions are the causes
ii. Burning of fossil fuels in automobiles release SO2 and CO2 and NO2
iii. CO competes with CO2 in respiration
- (a)
i & ii correct
- (b)
i & iii correct
- (c)
ii & iii correct
- (d)
i, ii & iii correct
In scrubber method the pollutants that are removed are
- (a)
suspended particulate materials
- (b)
Liquid droplets
- (c)
Gaseous pollutants.
- (d)
Microbes.
Typhoid, jaundice, dysentery and cholera are the result of
- (a)
Algal blooming.
- (b)
Eutrophication.
- (c)
Toxicity
- (d)
Sewage contamination.
Which one is the control measure of radioactive wastes?
- (a)
Concentration and reduction in volume
- (b)
Allowing the waste in suitable containers for 50 to 100 years for natural decaying
- (c)
Burying in the rocks about 500 m deep inside the earth.
- (d)
All the above
A natural phenomenon responsible for heating earth's surface is
- (a)
Global warming
- (b)
Green House Effect
- (c)
Ozone depletion.
- (d)
Deforestation.
The UN Conference of Parties on climate change in the year 2011 was held in
- (a)
Poland
- (b)
South Africa
- (c)
Peru
- (d)
Qatar
Acid rains are produced by
- (a)
excess NOx and S02 from burning fossil fuels
- (b)
excess production of NH3 by industries and power plants
- (c)
excess release of carbon monoxide by incomplete combustion of fossil fuels
- (d)
excess release of CO2 by combustion and animal respiration.
Highest DDT deposition shall occur in
- (a)
phytoplankton
- (b)
sea gull/birds
- (c)
crab
- (d)
eel
dB is a standard abbreviation used for the quantitative expression of
- (a)
the density of bacteria in a medium
- (b)
a particular pollutant
- (c)
the dominant Bacillus in a culture
- (d)
a certain pesticide
Noise cause
- (a)
headache by constricting blood vessels of the brain
- (b)
eye strain by constricting the pupil
- (c)
digestive spasms through anxiety
- (d)
high blood pressure by decreasing cholesterol level in the blood.
Match column I with column II and select the correct option from the given codes.
Column I | Column II | ||
---|---|---|---|
A | Mercury | i | Methaemoglobinemia (or Blue baby syndrome) |
B | Nitrate | ii | Black foot disease |
C | Arsenic | iii | Itai-itai disease |
D | Cadmium | iv | Minamata disease |
- (a)
A-(iv), B-(i), C-(ii), D-(iii)
- (b)
A-(iv), B-(i), C-(iii), D-(ii)
- (c)
A-(ii), B-(iii), C-(i), D-(iv)
- (d)
A-(ii), B-(iv), C-(i), D-(iii)
Select the correct match.
- (a)
Integrated farming: Ramesh Chandra Dagar
- (b)
Integrated waste water treatment: Ahmed Khan
- (c)
Solid waste management: Ramesh Chandra Dagar
- (d)
E-waste management: Chandi Prasad Bhatt
Given pie-diagram represents the relative contribution of various greenhouse gases to total global warming. Identify the gases P, Q, Rand S.
- (a)
P Q R S N2O CFCs CO2 Methane - (b)
P Q R S N2O Methane CFCs CO2 - (c)
P Q R S CO2 N2O CFCs Methane - (d)
P Q R S CO2 CFCs N2O Methane
Read the given statements and select the correct option.
Statement 1 : Average temperature of Earth has increased by O.6°C during the past century.
Statement 2 : There has been a progressive increase in the use of fossil fuels generating more greenhouse gases.
- (a)
Both statements 1 and 2 are correct.
- (b)
Statement 1 is correct but statement 2 is incorrect.
- (c)
Statement 1 is incorrect but statement 2 is correct.
- (d)
Both statements 1 and 2 are incorrect.
Increasing skin cancer and high mutation rate are the result of
- (a)
ozone depletion
- (b)
acid rain
- (c)
CO pollution
- (d)
CO2 pollution
Amrita Devi Bishnoi Wildlife Protection Award is for the individuals or communities from rural areas that have shown extraordinary courage in
- (a)
reducing environmental pollution
- (b)
reducing global warming
- (c)
protecting wildlife
- (d)
reforestation in deforested area.
The expanded form of DDT is
- (a)
dichloro diphenyl trichloroethane
- (b)
dichloro diethyl trichloroethane
- (c)
dichloro dipyrydyl trichloroethane
- (d)
dichloro diphenyl tetrachloroacetate.
Match correctly the following and choose the correct option.
i | Environment Protection Act | A | 1974 |
ii | Air Prevention and Control of Pollution Act | B | 1987 |
iii | Water Act | C | 1986 |
iv | Amendment of Air Act to include noise | D | 1981 |
- (a)
A -(iii), B-(iv), C-(i), D-(ii)
- (b)
A-(i), B-(iii), C-(ii), D-(iv)
- (c)
A-(iv), B-(i), C-(ii), D-(iii)
- (d)
A-(iii), B-(iv), C-(ii), D-(i).
Nuisance growth of aquatic plants and bloom- forming algae in natural waters is generally due to high concentrations of
- (a)
carbon
- (b)
sulphur
- (c)
calcium
- (d)
phosphorus.
The smog which is formed at high temperature is
- (a)
London smog
- (b)
Classical srnoq
- (c)
Los Angeles smog
- (d)
Sulphurous smog
Slash and Burn cultivation is also called
- (a)
Terrace farming
- (b)
Joint forest management
- (c)
Social forest
- (d)
Jhum cultivation