Which of the following is absent in polluted water?
Hydrilla
Water hyacinth
Larva of stone fly
Blue green algae
Maximum green house gas released by which of the following countries?
India
France
USA
Britain
Which group of vertebrates comprises the highest number of endangered species?
Birds
Mammals
Fishes
Reptiles
Escherichia coli is used as an indicator organism to determine pollution of water with
pollen of aquatic plants
heavy metals
faecal matter
industrial effluents
A major component of gobar gas is
Ammonia
Methane
Ethane
Butane
In your opinion, which is the most effective way to conserve the plant diversity of an area?
By tissue culture method
By creating biosphere reserve
By creating botanical garden
By developing seed bank
In 1984, Bhopal gas tragedy took place because methyl isocyanate
reacted with DDT
reacted with ammonia
reacted with CO2
reacted with water
Lead concentration in blood is considered alarming if it is
20µg / 100 ml
30µg /100 ml
4-6 µg / 100 ml
10µg / 100 ml
In which one of the following is the specific characteristic of a soil not correctly matched?
Laterite –Contains aluminium compound
Terra rossa – Most suitable for roses
Chernozems – Richest soil in the world
Black soil – Rich in calcium carbonate
Recently Govt. of India has allowed mixing of alcohol in petrol. What is the amount of alcohol permitted for mixing in petrol?
2.5%
10-15%
10%
5%
Common indicator organism of water pollution is
Lemon pancicostata
Eichhornia crassipes
Escherichia coli
Entamoeba histolytica
According to IUCN Red List, what is the status of Red Panda (Ailurus fulgens)?
Critically endangered species
Vulnerable species
Extinct species
Endangered species
Prolonged liberal irrigation of agricultural fields is likely to create the problem of:
Acidity
Aridity
Salinity
Metal Toxicity
Which of the following is not used for disinfection of drinking water?
Chlorine
Ozone
Chloramine
Phenyl
Identify the correctly matched pair.
Basal Convention - Biodiversity Conservation
Kyoto Protocol - Climatic change
Montreal Protocol - Global warming
Ramsar Convention - ground water pollution
At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation?
40° North and South
66° North and South
One of the most important functions of botanical gardens is that
they provide a beautiful area for recreation
one can observe tropical plants there
they allow ex-situ conservation of germ plasm
they provide the natural habitat for wildlife
Which one of the following pairs is mismatched?
Fossil fuel burning – release of CO2
Nuclear power - radioactive wastes
Solar energy - greenhouse effect
Biomass burning - release of CO2
Biodiversity Act of India was passed by the parliament in the year
1992
1996
2000
2002
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters into natural surface waters, is
<10 ppm
<100 ppm
<30 ppm
< 3.0 ppm
Photochemical smog pollution does not contain
Nitrogen dioxide
Carbon dioxide
PAN (peroxy acyl nitrate)
Ozone
Monetreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year
1987
1988
1985
1986