Practice Test


Q1) Burning fossil fuels in low oxygen environment will most likely produce: Show Answer


Q2) At the earth summit held in Rio de Janeiro, a globalization plane was adopted with aim of integration environmental imperatives and development aspirations. The Global Action Plan is known as Show Answer


Q3) Atmospheric nitrogen is converted to nitrogen oxides Show Answer


Q4) Because of biomagnification, the most toxic organisms in any ecosystem will be the Show Answer


Q5) Acid rain concentrated in the eastern portions of the United States is primarily the result of Show Answer


Q6) Agricultural fields that must be irrigated to sustain a crop will eventually
Show Answer


Q7) Alien species that cause the most harm are those that Show Answer


Q8) While sailing. alligators, turtles, and tall marsh grasses come across on journey through a forest. This magnificent ecosystem is one of the most famous example of Show Answer


Q9) About 99% of all liquid fresh water on Earth is found in Show Answer


Q10) Environmental Impact Assessment (EIA) Show Answer


Q11) Environmental planning organization is Show Answer


Q12) Environmental pollutants such as PCB's contaminate oceans and other aquatic system. Plankton in the ocean become contaminated by PCB's and pass this along through the food chain. A pregnant woman has been cautioned to limit her consumption of food that may be high in PCBs. If she consumes food from a nearby contaminated ocean, we would expect that the most contaminated foods would be: Show Answer


Q13) The amount of organic matter in sewage water can be estimated by Show Answer


Q14) In clean water the concentration of Show Answer


Q15) 'EcoSan' toilets, being used in Kerala and Sri Lanka are hygienic and cost effective solution to human waste disposal. Mark the correct statement regarding EcoSan Show Answer


Q16) Every day. tremendous amounts of the sun's energy strikes the Earth. Why doesn't the Earth overheat? Show Answer


Q17) Examining an old abandoned home several months after a flood, a relief worker suddenly, experience difficulty breathing. Show Answer


Q18) First international convention on environment was held in Show Answer


Q19) Groundwater as a water source may be better than surface water because Show Answer


Q20) Harmful algal boom appear to be linked to unusually high levels of nutrient pollution. Which of the following is the most likely source of nutrient pollution in a river drainage system associated with an algal bloom? Show Answer


Q21) Having covered millions of acres of grasslands, the toxic weed leafy surge has caused serious damage o the lower regions of Himachal. Being toxic in nature it is avoid by both cattle and horses alike. Leafy spurge has spread completely across many neighboring states of Uttranchanl. If left uncontrolled in theses states, leafy spurge population will Show Answer


Q22) Health problems associated with indoor air pollution in developing countries is most commonly associated with: Show Answer


Q23) More than any other energy source, China and the United states use Show Answer


Q24) Most of the air pollution that we experience is located in the Show Answer


Q25) Most of the energy used by humans comes from which of the following sources? Show Answer


Q26) Most of the public health impacts pollution are the result of Show Answer


Q27) Rain with a pH of 4.6 is: Show Answer


Q28) The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole? Show Answer


Q29) The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs Show Answer


Q30) Recent studies of the two of the most dangerous components of air pollution I and around major cities in the developed nations are: Show Answer


Q31) The decline of the polar ice caps because of increasing temperatures at the poles will Show Answer


Q32) The destruction of the ozone layer primarily occurs in the Show Answer


Q33) The developed countries of the world have contributed the most to global climate change. By applying the polluter pays and equity principles, we would except that the: Show Answer


Q34) The disaster of Love Canal in New York in the 1970s illustrated the problem of safe Show Answer


Q35) The early Industrial Revolution primarily relied on fossil fuels to Show Answer


Q36) The effectiveness of DDT in agriculture allowed growers to Show Answer


Q37) The evolution of pesticide resistance resurgence and secondary-pest outbreaks are only some of the problems that result from reliance on Show Answer


Q38) The evolution of pesticide resistance resurgence, and secondary-pest outbreaks are only some of the problems that result from reliance on Show Answer


Q39) The fecal coli form test is used to deter-mine if the water being tested Show Answer


Q40) The most clean burning fossil fuel fuel available is Show Answer


Q41) The most dramatic temperature shifts in the past few decades have been Show Answer


Q42) The most effective way to reduce GHG emission is to increase Show Answer


Q43) The most likely sustainable solutions of ecological problems are Show Answer


Q44) The most polluted city Ill the world is Show Answer


Q45) The most possible cause of tension, headache , high blood pressure, loss of concentration and loss of hearing abilities is Show Answer


Q46) The most powerful eye irritant present in the smog is Show Answer


Q47) The most sustainable way to drive a car would be to use Show Answer


Q48) The names of Baba Amte and Medha Patkar are associated with which of protest movements of India ? Show Answer


Q49) The negative impacts of ozone pollution on forest are expected to increase as Show Answer


Q50) The objective of biological nutrient removal is to Show Answer


Q51) The pesticide that directly attacks the nervous system is Show Answer


Q52) The pesticides that also function as endocrine disruptors cause disease by Show Answer


Q53) Mark the correct statement Show Answer


Q54) Which of the following enhances BOD of water? Show Answer


Q55) Ozone hole over Antarctica develops each year between Show Answer


Q56) The phenomenon of accumulation of non-biodegradable contaminants in higher tropic level is known as Show Answer


Q57) the quality of the final treated waste water effluent from a modern treatment plant is typically: Show Answer


Q58) the recent air pollution due to radiation that causes hazard to the word and distribute the ecological balance Show Answer


Q59) Biological Oxygen Demand (BOD) determines the health of Show Answer


Q60) Biopesticides: Show Answer


Q61) Cap-and-trade programs: Show Answer


Q62) brightly colored antique children's toys from before 1970 may be colored with paints that are contaminated with: Show Answer


Q63) by design, the molecules that resit biodegradation and include some of the most problematic persistent organic pollutants are the: Show Answer


Q64) Carcinogens are dangerous because they affect Show Answer


Q65) CFCs primarily contribute to the destruction of the ozone by: Show Answer


Q66) At an international conference on global climate change , a representative of a developing country admits that each year, his country contributes the same amount of greenhouse gases to the atmosphere as a particular developed nation. However he argues that because his country has only 10% of the wealth of that developed nation, the developed nation should pay much more of the costs of adaptation . The representatives arguments illustrate the : Show Answer


Q67) Concerned with the expensive disposal their hazardous wastes, a company learns that it can purchase another chemical that will neutralize the company's hazardous wastes into a nontoxic form. The strategy used by this company is most consistent with which of the following hazardous-waste disposal system methods? Show Answer


Q68) Current levels of atmospheric carbon dioxide are : Show Answer


Q69) Dentrification is sewage treatment system requires : Show Answer


Q70) Efforts to limit global deforestation should be concentrated: Show Answer


Q71) Freshwater becomes polluted: Show Answer


Q72) From 1990 to 2006, what region of the world was able to reduce its GHGs ? Show Answer


Q73) Further acidification of the environment could be prevented by polices that Show Answer


Q74) Gases such as nitrous oxide and carbon dioxide are called greenhouse gases because Show Answer


Q75) Global warming will raise sea levels because of Show Answer


Q76) Hundreds of millions of years ago, when fossil fuels were formed, large amount Show Answer


Q77) In a food chain consisting of toxic soil, toxic grasses, rabbits that eat the toxic grass and hawks that eat the rabbits, the highest concentrations of toxins would occur in the: Show Answer


Q78) In a greenhouse, it would be best to position a plants so that its exposure to sunlight would be Show Answer


Q79) In developing countries, contaminated water is responsible for the death of more than 1.6 million people. Contributing to this problem is the use of Show Answer


Q80) In general, temperatures along on ocean coastline vary less than temperatures 100 miles inland. this moderation of temperatures along coastlines is because Show Answer


Q81) In the past 40 years, pesticide use has tripled yet pests still cause the same amount of damage to crops. why has this increased use of pesticides not been more effective? Show Answer


Q82) Increasing levels of greenhouse gases have caused a Show Answer


Q83) ISO 14000 is a series: Show Answer


Q84) Nonpersistent pesticides can be more dangerous than persistent pesticide because they usually Show Answer


Q85) Ozone levels increase in the atmosphere when volatile organic compounds (VOCs) are present because : Show Answer


Q86) Premature aging of the skin and cataracts are on the increase due to increased? Show Answer


Q87) Some beetles escapes from a ship and fly to a small island covered with grass but with no trees or beetle predators. As the beetles feed, they destroy all the grasses , But with abundant food, the beetle population soars, doubling in size every month. After about a year,the population crashes as thousands of beetles have destroyed almost all the plants and there is little left to feed the large population. Thus scenario best illustrates Show Answer


Q88) some lakes have river and stream tributaries but no outlet , losing water mainly through evaporation. Over time, we expect that such lakes will: Show Answer


Q89) Some people become alarmed when they learn that the water they drink known carcinogens. These concerned people: Show Answer


Q90) Take a big breath of air. You have mostly just inhaled Show Answer


Q91) The greatest progress in reducing atmospheric levels of lead pollution resulted from Show Answer


Q92) The inside of a car or greenhouse would not heat up as much in the presence of sunshine if Show Answer


Q93) Villagers living in a heavily forested region surrounding a remote district in Punjab decided to reduce air pollution in their village.In the autumn season, after the leaves has fallen from the trees, the villagers blew all of the dead leaves into the village pond. About 8 months later, they noticed a large number of dead fish in the pond.
what is the most likely cause of the fish kill? Show Answer


Q94) Which of the following is NOT true regarding biotic potential?
Show Answer


Q95) Which of the following pollutants is generally stored in driest locations on Earth because they remain a potential problem for thousand of years? Show Answer


Q96) Mark the statement that describes the Eco-friendly disposal of municipal solid-waste Show Answer


Q97) Without green house effect the average temperatures of earth surface would have been Show Answer


Q98) Which of the following represent an arming positive feedback loop of global warming? Show Answer


Q99) Which of the following types of pollution became much more common in the 20th century? Show Answer


Q100) Which one of the following generally increased the pollution of the air? Show Answer


Q101) Which one of the following bus been declining globally over the past several decades? Show Answer


Q102) Which one of the following is not used to disinfect treated waste-water ready to be released into natural waterways? Show Answer


Q103) Which one of the following is true? Show Answer


Q104) Which one of the following statements about the carbon, phosphorus, and nitrogen cycles is true? Show Answer


Q105) Wood pellets are produced from the waste sawdust of lumber and paper mills. Home-heating stoves burning theses pellets can heat homes directly , instead of relying on other energy sources. Heating your home with wood pellets is : Show Answer


Q106) You sit comfortably in your room studying and notice that the air temperature is fluctuating considerably. Perhaps the conditioning system is not well regulated. Sometimes it gets too hot and you sweet while other times you get so cold that you shiver. When you are sweating or shivering you are exhibiting your. Show Answer


Q107) What is the only industrialized country in the world that has not ratified the Kyoto Protocol? Show Answer


Q108) The Clean Development Mechanism (CDM) ,a mechanism reduce greenhouse gas emission as per Kyoto Protocol implies that Show Answer


Q109) Which of the following is not a policy used to deal with climate change? Show Answer


Q110) Carbon dioxide in the atmosphere contributes to global warming by :
1) transmitting visible light .
2) transmitting infra-red radiation.
3) absorbing infra-red radiation.
4) absorbing visible light.
which of the above is/are correct? Show Answer


Q111) Because of catalytic converts on the exhaust systems of automobiles, you breath air with lower of:
1)carbon dioxide
2) carbon monoxide
3) nitrogen
4) nitrogen oxides
Which of the above is/are correct? Show Answer


Q112) Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct?
1) Coconut shells, groundnut shells and rice husk can be used to biomass gasification.
2) The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only.
3) the combustible gases generated from biomass gasification can be used for direct heat generations but not in internal combustion engines.
Select the correct answer using the codes given below: Show Answer


Q113) Adding fertilizer to most aquatic systems results in:
1) increased growth of phytoplankton .
2) decreased growth of phytoplankton .
3) hypoxic conditions.
4) hyperoxic conditions.
Which of the above is/are correct? Show Answer


Q114) Air pollutants most often lead to human health problem of the
1) circulatory system
2) digestive system
3) muscular system
4) respiratory system
Which of the above is/are correct? Show Answer


Q115) Eutrophication in the Chesapeake Bay along the eastern edge of Maryland bus resulted in low oxygen levels in the water and alteration of food webs. The cause of this eutophication appears to be pollution that contains high levels of :
1) nitrogen
2) carbon
3) phosphorus
4) sulphur
Which of the above is/are correct ? Show Answer


Q116) Questions about the danger of a particular chemical hazard will relate to the chemical's :
1) toxicity
2) exposure
3) dose
4) abundance
Which of the above is/are correct ? Show Answer


Q117) The dangerous of widespread DDT use are largely due to two main characteristics of DDT, its :
1) bioremediation
2) biomagnification
3) persistence
4) non-presistance
Which of the above is/are correct ? Show Answer


Q118) Consider the following statements:
1) Kyoto Protocol came into force in the year 2005.
2) Kyoto Protocol primarily with the depletion of the ozone layer.
3) Methane as a green house gas is more harmful than carbon dioxide.
Which of the statements give above is/are correct? Show Answer


Q119) The safest method for biomedical waster disposal is:
1) Incineration
2) Autoclaving
3) Sharp pit encapsulation
4) Precipitation
Which of the statements give above is/are correct? Show Answer


Q120) Compared to 50 years ago, the thinning ozone layer has produced dramatic increases in cases of :
1) asthma
2) color blindness
3) cataracts
4) skin cancer
Which of the statements give above is/are correct? Show Answer


Q121) Forests that experience high levels of acid precipitation expose three soil that has:
1) more dissolved calcium
2) more dissolved aluminium
3) less dissolved calcium
4) less dissolved aluminium
Which of the statements give above is/are correct? Show Answer


Q122) If atmospheric carbon dioxide was eliminated from our atmosphere, we would expect that :
1) the Earth would cool considerably
2) photosynthesis would dramatically increase.
3) the Earth would heat up considerably
4) photosynthesis would dramatically decrease
Which of the statements give above is/are correct? Show Answer


Q123) Lakes that suffer from environmental acidification typically have:
1) fewer animals
2) higher levels of heavy metals
3) more animals
4) lower levels of heavy metals
Which of the statements give above is/are correct? Show Answer


Q124) Consider the following:
1) Rice fields
2) Coal mining
3) domestic animals
4) Wet Lands
Which of the above are sources of methane, a major greenhouse gas?

Show Answer


Q125) Due to their rice cultivation, same regions may be contributing to global warming . To what possible reason/reasons is this attributable?
1) The anaerobic conditions associated with rice cultivation cause the emission of methane.
3) When nitrogen based fertilizers are used, nitrous oxide is emitted from the cultivated soil.
Which of the statements give above is/are correct? Show Answer


Q126) Our most recent understanding of the formation of ozone requires the reduction of atmospheric levels of :
1) volatile inorganic compounds
2) carbon monoxide
3) nitrogen oxides
4) volatile organic compounds
Which of the above is/are correct? Show Answer


Q127) Consider the following statements:
1) Waste are the two types, biodegradable and non-biodegradable .
2) Blue-green algae are producers
3) biodegradable wastes should be separated and kept in blue colour bins for garbage collectors.
Which of the statement(s) is/are correct? Show Answer


Q128) Excessive exposure of human to UV-rays results in
1) damage to immune system
2) damage to lungs
3) skin cancer
4) peptic ulcers
Which of the above is/are correct? Show Answer


Q129) Which of the following groups contains only easily biodegradable items?
1) Grass, flower and leather
2) Grass, wood and plastic
3) Fruits , peel cake and lime juice
4) Cake, wood and grass.
Which of the above is/are correct? Show Answer


Q130) In the following groups of materials , which group(s) contains only non-biodegradable items?
1) wood, paper, leather
2) polythene, detergent , PVC
3) plastic , detergent , grass
4) plastic Bakelite, DDT
Which of the above is/are correct? Show Answer


Q131) Fertilizers cause
1) eutrophication of water bodies
2) survival of most microorganisms
3) destruction of crumb structure of soil.
4) All the above
Which of the above is/are correct? Show Answer


Q132) Which of the following is a recently originated problem of environment?
1) Ozone layer depletion
2) Green house effect
3) Global effect
4) None of the above
Which of the above is/are correct? Show Answer


Q133) Chipko movement is
1) A movement of political strength held in Assam under the supervision of Rajeev Gandhi
2) An environment movement held in uttarakhand under the guidance of sunderlal bahuguve.
3) A movement for independence under the guidance of Nehruji.
4) A movement of independence under the guidance of Gandhiji.
Which of the following statement(s) is/are correct? Show Answer


Q134) Organic material in waste water ultimately convert into
1) nitrogen
2) Oxygen
3) Water
4 ) Carbon dioxide
Which of the above is/are correct? Show Answer


Q135) Ozone layer can be destroyed by pollutants such as
1) Hydro carbons
2) Carbon mono oxide
3) Sulphur dioxide
4) Nitrogen oxides
Show Answer


Q136) One carbon Credit is defined as______.
1) Credit permit to release one ton of carbon dioxide.
2) Providing loans to establish a unit which produces carbon dioxide for industrial use.
4) Finding out one new business which can use and recycle greenhouse gases.
Which of the following statement(s) is/are correct? Show Answer


Q137) Consider the following statements-
1. In mid latitudes, these Temperate Grassland Biomes are in the continental interiors.
2. These biomes include the plains of North America, Steppes of Eurasia, Manchuria plains, Argentina Pampas, African Velds and Australian Downs.
3. In certain places in these areas, the temperature is below the dew point.
4. It is extremely cold during the winter and high temperatures during the summer. In the southern hemisphere, there is mild cold.
5. In Argentina, with the exception of the Pampas, in other areas the rainfall is light.
Select the correct answer using the codes given below. Show Answer


Q138) Consider the following statements with reference to glaciar-
1. change simply because of their sheer size and power as they move across an area.
2. They are erosional forces because their ice carves the ground beneath them and on the sides in the case of a valley glacier which results in a U-shaped valley.
Select the correct answer using the codes given below. Show Answer


Q139) Consider the following statements-
1. A zone of porous and rocky soils made up of debris washed down from the higher ranges. The rivers usually disappear in this belt.
2. Above the alluvial plain lies the Terai strip, a seasonally marshy zone of sand and clay soils.
3. The Bhabhar and the lower Shiwalik ranges have a subtropical climate. This belt is just above terai.
Select the correct answer using the codes given below. Show Answer


Q140) The term 'Intended Nationally Determined Contributions' is sometimes seen in the news in the context of Show Answer


Q141) Which one of the following statements regarding El-NINO is NOT true? Show Answer


Q142) The main sector/s responsible for fossil fuel consumption and climate polluting CO2 emissions are:
1. energy generation
2. transport
3. industry
4. households
Select the correct answer using the codes given below. Show Answer


Q143) Which among the following is not included among the four top four warmest year ranked ? Show Answer


Q144) Which of the following countries ranks first in terms of per capita emission of carbon dioxide? Show Answer


Q145) Who among the following is the founder of “R20 Regions of Climate Action” a non-profit environmental organization? Show Answer


Q146) Which of the following is not strictly related to environment, climate change or biodiversity? Show Answer


Q147) Cyclonic Storm Hudhud struck the coastal district of _______. Show Answer


Q148) Which of the following cyclones that hit India, had originated due to upper-air cyclonic circulation in the Andaman Sea? Show Answer


Q149) The World Bank report on the impact of global warming titled Turn Down the Heat: Confronting the New Climate Normal. Which is true statements TRUE about the report?
1. Sharp temperature rises will cut deeply into crop yields and water supplies in many areas and possibly set back efforts to bring populations out of poverty
2. Climate change poses a substantial and escalating risk to development progress that could undermine global efforts to eliminate extreme poverty and promote shared prosperity
3. If early action is not taken then warming could exceed 1.5 to 2 degree Celsius and its impact could significantly worsen intra and intergovernmental poverty in multiple regions across the globe
4. It warned that in case concerted action is not taken than the real danger is that the average global temperature increase could go to 4.0 degrees Celsius by the end of the century.
Select the correct answer using the codes given below. Show Answer