Q.1
Insecticides usually act upon .... .... [J.K.C.M.E.E. 2004]
  • a) Muscular system
  • b) Digestive system
  • c) Nervous system
  • d) Circulatory system
Q.2
SO2 pollution effects ... .... [A.F.M.C. 2003]
  • a) Mitochondria
  • b) Chloroplasts
  • c) Golgi bodies
  • d) Vacuoles
Q.3
The reason for green house effect is .... ..... [A.M.U. 2001]
  • a) Higher CO2 concentration causing global warming
  • b) Absorption of infra-red rays by gases and dust particles
  • c) Both A and B
  • d) Rarefaction of CO2
Q.4
Soil pollution affecting food chains and food webs by killing microorganisms are .... ..... [Kerala 2003]
  • a) Chemical fertilizers
  • b) Agriculture wastes
  • c) Pesticides
  • d) Pathogens
Q.5
Which is wrong about Bhopal tragedy ..... ..... [C.B.S.E. 2011]
  • a) Radioactive fallout engulfed Bhopal
  • b) Methyl isocyanate gas leakage took place
  • c) Thousand of human beings died
  • d) It took place in the night of December 2/3, 1984
Q.6
Common indicator organisms of water pollution is ... ... [A.F.M.C. 2008]
  • a) Escherichia coli
  • b) cholera vibrio
  • c) Salmonella typhi
  • d) Entamoeba histolytica
Q.7
5th June is .... .... [C.P.M.T. 2002]
  • a) World Forest Day
  • b) World Red Cross Day
  • c) World Environment Day
  • d) World Food Day
Q.8
Green house effect is related to .... .... [C.B.S.E. 1999]
  • a) Increased growth of green algae
  • b) Global warming
  • c) Cultivation of vegetables in house
  • d) Development of terrace gardens
Q.9
Which one of the following is an environment related disorder with correct main cause .... ..... [A.I.I.M.S. 2006]
  • a) Black lung disease is found mainly in workers of stone quarries and crushers
  • b) Blue-baby disease is due to heavy use of nitrogenous fertilizers
  • c) Non-Hodgkin's lymphoma is found mainly in workers involved in manufacture of neem-based pesticides
  • d) Skin cancer occurs mainly in people exposed to benzene and Methane
Q.10
Which pollution causes jaundice? ... .... [A.M.U. 1996]
  • a) Water
  • b) Air
  • c) Land
  • d) Thermal
Q.11
Which one is correct .... .... [A.I.I.M.S. 2011]
  • a) Catalytic converter can precipitate particular matter of less than 2.5 µm
  • b) Histones are acidic and form core of DNA packing
  • c) Template with 5' - 3' polarity shows continuous DNA replication
  • d) Lactobacillus is not present in dough used for idli preparation
Q.12
A lake receiving nutrients would be .... ..... [M.P.P.M.T. 2001]
  • a) Oligotrophic
  • b)Eutrophic
  • c) Sink
  • d) Rich in fossils
Q.13
Ozone depletion in stratosphere shall in .... ..... [A.I.I.M.S. 1992]
  • a) Forest fires
  • b) Increased incidence of skin cancer
  • c) Global warming
  • d) None
Q.14
Carbon monoxide kills because it destroys .... ...[B.H.U. 2000]
  • a) Haemoglobin
  • b) Phytochrome
  • c) Cytochrome
  • d) Both A and B
Q.15
One of the following acts as secondary pollutants .... .... [D.P.M.T. 2009]
  • a) Br
  • b) NO2
  • c) HNO3
  • d) Cl2
Q.16
Water pollution causes .... .... [M.P.P.M.T. 1997]
  • a) Increased photosynthesis
  • b) Increased deoxygenation and turbidity
  • c) Decreased turbidity
  • d) Increased oxygenation
Q.17
dB is standard abbreviation used for the quantitative expression of .... ..... [C.B.S.E. 2010]
  • a) A particular pollutant
  • b) The dominant Bacillus in a culture
  • c) A certain pesticide
  • d) The destiny of bacteria in a medium
Q.18
Appropriate measures to reduce overall green house gas emissions are commitments of .... ..... [D.P.M.T. 2010]
  • a) Kyoto Protocol
  • b) Montreal Protocol
  • c) Environment Act
  • d) Earth Summit
Q.19
Mottling of teeth is due to presence of an element in drinking water .... .... [B.H.U. 2007]
  • a) Mercury
  • b) Fluorine
  • c) Boron
  • d) Chlorine
Q.20
Cyclone collector is used for minimizing .... .... [ B.H.U. 1992]
  • a) Radioactive pollution
  • b) Air pollution
  • c) Noise pollution
  • d) Water pollution
Q.21
Silicosis occur due to .... ..... [E.A.M.C.E.T. 2002]
  • a) Acid rain
  • b) Ozone depletion
  • c) Inhalation of silica
  • d) Inhalation of SO2
Q.22
Green house effect is increase in temperature of earth due to .... ..... [M.P.P.M.T. 2012]
  • a) High concentration of NO2
  • b) High concentration of SO2
  • c) High concentration of CO2
  • d) High concentration of CO
Q.23
A secondary pollutant is ... ... [C.P.M.T. 2010]
  • a) CO
  • b) CO2
  • c) PAN
  • d) Aerosol
Q.24
Cause of decline in pollution of reptiles and birds is .... .... [D.P.M.T. 2008]
  • a) Bioinsecticides
  • b) Biofertilizers
  • c) DDT
  • d) Both A and B
Q.25
Domestic waste constitutes .... ..... [C.B.S.E 1991]
  • a) Nonbiodegradable pollution
  • b) Biodegradable pollution
  • c) Effluents
  • d) Air pollution
Q.26
Which is not a bioindicator of water pollution .... .... [C.B.S.E. 2007]
  • a) Blood worms
  • b) Stone flies
  • c) Sewage fungus
  • d) Sludge worms
Q.27
CFC are responsible for .... .... [M.H.T.C.E.T. 2007]
  • a) Acid rain
  • b) Ozone layer depletion
  • c) Global warming
  • d) Thermal inversion
Q.28
ASSERTION: Organochlorine pesticides are organic compounds that have been chlorinated REASON: Fenitrothion is one of the organochlorine pesticides A.I.I.M.S. 2007
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.29
Which one is correct .... .... [J.K.C.M.E.E. 2004 ]
  • a) Herbicides kill plants by blocking PS II
  • b) Insecticides kill insects through impairment of nerve conduction and sometimes respiratory arrest
  • c) Both A and B
  • d) None
Q.30
Kyoto Protocol was endorsed at
  • a) CoP-3
  • b) CoP-5
  • c) CoP-6
  • d) CoP-4
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