If global warming continues, how would the distributional range of some species be affected?
1. There will be a poleward shift
2. There will be an equatorial shift
3. No change expected for any species
4. Shift to marine water from land
Big holes in Swiss cheese are made by a:
1. | a machine |
2. | a bacterium that produces methane gas |
3. | a bacterium producing a large amount of carbon dioxide |
4. | a fungus that releases a lot of gases during its metabolic activities. |
Which one is not an example of primary pollutants?
1. DDT 2. CO
3. Pollen 4. PAN
Select the mismatched pair.
(1) Minimata disease - Mercury
(2) Black foot disease - Arsenic
(3) Uremia - Copper
(4) Itai-itai - Lead
Match the column-I with column-II and choose the correct option.
|
Column-I |
|
Column-II |
a |
Doha Amendment |
(i) |
Marrakesh |
b |
COP-15 |
(ii) |
Bali Action Plan (2007) |
c |
COP-13 |
(iii) |
To reduce GHG emission by at least 18% below 1990 level |
d |
COP-22 |
(iv) |
Copenhagen Accord |
1. a. – (iii), b. – (iv), c. – (ii), d. – (i)
2. a. – (iii), b. – (ii), c. – (iv), d. – (i)
3. a. – (i), b. – (iv), c. – (ii), d. – (iii)
4. a. – (i), b. – (ii), c. – (iv), d. – (iii)
Which one is not an effect of increase in the level of greenhouse gases?
1. fertilisation effect.
2. EI Nino effect.
3. Snow blindness.
4. Warming of troposphere and cooling of stratosphere and thermosphere
How many categories of species, IUCN Red List has?
1. 9 2. 12
3. 8 4. 7
Initially, how many biodiversity hot spots were identified globally?
1. 34 2. 25
3. 20 4. 30
Biomagnification of DDT in aquatic food chain leads to high concentration of DDT in fish eating birds. It results in
(a) Disturbance in calcium metabolism in birds.
(b) Thinning of egg shell and their premature breaking.
(c) Decline in bird population
1. (a) and (b) only 2. (b) and (c) only
3. (a) and (c) only 4. All (a), (b) and (c)
Match the columns and select the correct option:
|
Column-I |
|
Column-II |
A |
Earth Summit |
(i) |
Johannesburg |
B |
World summit on sustainable development |
(ii) |
Broadly utilitarian |
C |
Biodiversity plays a major role in many ecosystem services |
(iii) |
Narrowly utilitarian |
D |
Direct economic benefits from nature |
(iv) |
Rio de Janerio |
1. A – (iv), B– (i), C– (ii), D– (iii)
2. A – (i), B– (iv), C– (iii), D– (ii)
3. A – (iv), B– (i), C– (iii), D– (ii)
4. A – (i), B– (iv), C– (ii), D– (iii)
Which statement is incorrect for photochemical smog?
1. It is mainly , PAN and .
2. It is called brown air and grey air.
3. It causes blue-baby syndrome.
4. It is formed in traffic congested cities where warm condition and intense solar radiations are present.
Practical, hygienic, efficient and cost effective solution to human waste disposal is :-
1. Natural toilets
2. Eco-friendly toilets
3. Eco-san toilets
4. Biological sanitation
In which device the exhaust is passed through a spray of water or lime for removal of gases as well as particles ?
1. ESP
2. Scrubber
3. Catalytic converter
4. Both (1) and (2)
Select the correct match with respect to pollutants :-
I II
1. Itai-Itai i.Cd
2. Methaemoglobinemia ii. Hg
3. Acid Rain iii. CFC
4. Most effective green house gas iv. Stone cancer
Which phenomenon is indicated by below reaction:-
1. Acid rain
2. Photochemical smog
3. Ozone depletion
4. Sulphur smog
World Summit on sustainable development held in 2002 in
1. Rio de Janeiro
2.Japan
3. Johannesburg
4. London
Flood, drought and monsoon damage in India are the cause of:-
1. Water pollution
2. Air pollution
3. Green house effect
4. Ozone depletion
Match correctly the following and choose the correct option
(i) Environment Protection Act A. 1974
(ii) Air Prevention & Control of Pollution Act B. 1987
(iii)Water Act C. 1986
(iv)Amendament of Air Act to include noise D. 1981
The correct matches is;
1. i-C, ii-D, iii-A, iv-B
2. i-A, ii-C, iii-B, iv-D
3. i-D, ii-A, iii-B, iv-C
4. i-C, ii-D, iii-B, iv-A
Fill up the blanks:
i. In a scrubber, the exhaust is passed through a spray of _______.
ii. According to Central Pollution Control Board , particulate size _________ or less in diameter are responsible for causing the greatest harm to human health.
iii. Electrostatic precipitator, which can remove __________ present in the exhaust from a thermal power plant.
iv. As the exhaust passes through the catalytic converter, unburnt hydrocarbons are converted into carbon dioxide and ______.
i ii iii iv
1. Lime 2.8 micro-meters Gases like sulphur dioxide Hydrogen
2. Kerosene 2.5 micro-meters Gases like sulphur dioxide Water
3. Lime 2.5 micro- meters Over 99 per cent Water
particulate matter
4. Kerosene 2.8 micro- meters Over 99 per cent Hydrogen
particulate matter
Assertion: During green revolution, crop production is increased.
Reason: Deforestation is one of the method of green revolution to increases productivity.
Assertion: Diatomaceous earth is used in polishing, filtration of oil and syrups.
Reason: Diatomaceous earth is gritty due to presence of silica.
Natural ageing of a lake by biological enrichment of its water is called
1. Biomagnification
2. Eutrophication
3. Algal blooms
4. Toxification
Catalytic converter of automobiles converts unburnt hydrocarbons into
1.
2.
3.
4.
During secondary treatment, major part of activated sludge is pumped into tanks called
1. Aerobic sludge digesters.
2. Anaerobic sludge digesters.
3. Primary sludge digesters.
4. Settling tanks.
Painful skeletal deformity due to cadmium is
1. Minimata
2. Uremia
3. Itai-itai
4. Black foot disease
Find incorrect match
1. Joint forest management (JFM) – 1980
2. National forest policy – 1988
3. Chipko movement – 1984
4. Noise as air pollutant – 1987
Find incorrect match
1. Electron static precipitator – Removes 99% particulate matter.
2. Scrubber – Remove SO2
3. Catalytic converter – Non metalic catalyst.
4. CNG – Burns efficiently.
Amount of DDT in fish eating bird is :-
1. 25 ppm
2. 15 ppm
3. 10 ppm
4. 5 ppm
In STP
1. Primary treatment is a biological process.
2. Flocs are anaerobic and autotrophic microbes.
3. BOD measures the organic matter present in the water.
4. Activated sludge is the effluent of tertiary treatment.
Natural aging of lake by biological enrichment of its water is
1. Eutrophication
2. Biomagnification
3. Biofortification
4. Bioprospecting