Practice Test


Q1) In plants, ammonium is often converted to nitrate before it can be used by the plant. This process is known as Show Answer


Q2) A garden is suffering from a quickly growing mold. The most effective treatment for this problem would be the application of Show Answer


Q3) A gardener applied heavy doses of the same insecticide to his garden for two consecutive years to kill squash bugs. During the third year, the man called in an expert to explain why he had an abundance of new pests that were destroying her garden. The expert explained that abundant new pests were largely due to his provisous use of a insecticide in a phenomenon known as Show Answer


Q4) A gardener has a large garden and decides this year he will not let the pests get beyond control. At the earliest sign of insect pests, he applied an organic insecticide and continues to apply it every month throughout the growing season. The next year he decides not use any insecticides, thinking that he must have eliminated the pests with the prior year's treatments. Unfortunately, the pests reappear in number greater than he has ever seen before, and his plants are destroyed. Investigating this phenomenon, he learns that he has just experienced a phenomenon known as Show Answer


Q5) A grasshopper population in a prairie is limited in large part by the number of birds in the region. Following a terrible storm that killed many of the birds, the grasshopper population exhibits exponential growth. this happens because the grasshoppers experienced . Show Answer


Q6) A group of individual of the same species that live and interact with each other in the same geographical area is a (n) Show Answer


Q7) A keystone species Show Answer


Q8) Energy
Show Answer


Q9) Extinction of a weaker species by an aggressive aline species is the results of Show Answer


Q10) Flea beetles alone are unlikely to eliminate all of the leafy spurge in a region.
Instead, the number if leafy spurge plants and the number of flea beetles in a particular community may stabilize. At this point, the leafy spurge and flea beetle populations: Show Answer


Q11) Herbicides would be most useful in combating Show Answer


Q12) How has converting grasslands to plowed land changed the streams and rivers in the affected watersheds? Show Answer


Q13) How was agriculture changed about 300-500 years ago? Show Answer


Q14) Human interaction between wildfire, homes and highways Show Answer


Q15) Human population begin to rise rapidly following: Show Answer


Q16) Humans often manipulate the environment in ways that decreases the overall ecosystem capital because Show Answer


Q17) Moss invades and establishes itself on bare rock, accumulating the beginnings of soil. After several years, enough soil has become established that grasses begin to grow where there was once bare rock .
without the moss building up soil, the grasses would have has no chance . The mosses changed the environment enough to permit grasses to grow in a process called.
Show Answer


Q18) Most amphibians in North India can tolerate the warm temperatures of summer. However, during one particularly dry year, when humidity was very low and temperatures were high, many of the frogs died, In this situation, Show Answer


Q19) Most ecosystem Show Answer


Q20) Most of the forests in the united States Show Answer


Q21) Most of the wheat, rice and corn raised in the world has resulted from genetic engineering of one sort or another,either by crossing certain varieties or deliberately transferring genes using transgenic techniques. These methods select for plants that produced their own defenses against pests with chemicals or physical barriers. Helping to feed the world, this represents an example of : Show Answer


Q22) Primary productivity of the open oceans is very limited because of Show Answer


Q23) productivity of an ecosystem is best determined by the Show Answer


Q24) Rabbits in Australia Show Answer


Q25) Rahul is enjoying a salad with lettuce coated by mushrooms, tomatoes, carrots . and bits of meat from grain-fed chicken. Rahul's salad represents: Show Answer


Q26) The dissipation of energy during its transmission from one trophic levels to another is in agreement with Show Answer


Q27) The eagle predators, the amount of acorns produced annually, nesting sites in the tree, and cold winter temperatures limits the squirrels population in the Punjab region . the many factors listed above that can affect the squirrel population represent : Show Answer


Q28) The economic gap between developing and industrialized countries may best be narrowed by Show Answer


Q29) The food chain in an ecosystem helps to maintain: Show Answer


Q30) The most stable predator -prey relationships typically involve Show Answer


Q31) The most sustainable worldwide expansion of aquaculture is the production of Show Answer


Q32) The most widespread negative health impact of air pollution is the Show Answer


Q33) The population of a particular species that an ecosystem can sustain indefinitely is called its Show Answer


Q34) The population of a particular type of fish, called Kubani found and in the Chilka lake only, is under heavy fishing pressure. If too many Kubians are caught , its population will crash and future years of fishing Kubani will suffer . Kubani can exhibit logistic growth under certain circumstances. Assuming logistic growth, it would be best to manage Kubani population by permitting the harvesting of just enough fish to keep the Kubani population. Show Answer


Q35) The process of converting nitrogen gas to ammonium is called: Show Answer


Q36) The quantity of the abiotic material present in an ecosystem is known as: Show Answer


Q37) The rapid growth of the human population still seen today began in the: Show Answer


Q38) The result of succession is Show Answer


Q39) Breeding habitats for disease carrying files can be reduced and the plants upon which cattle feed are nourished. Dung beetles quickly bury and recycle cattle droppings and live in regions where cattle graze. The relationship between the dung beetles and the cattle is a type of: Show Answer


Q40) Certain communities frequently have worms, clams shrimp, and and many other organisms clustered together, These communities nestle around hydrothermal vents where super heated water,springs from the bottom of the ocean. The bacteria present in these communities have special enzyme that allows them to form organic matter through chemosynthesis. They found off the shore in Japan. deep in the ocean. where no sunlight can penetrate. In this unusual ecosystem: Show Answer


Q41) Biomes intermediate in precipitation and temperature at. lower elevations are commonly: Show Answer


Q42) Biomes with less than 25 centimeters of rain of a year are: Show Answer


Q43) Biomes with more than 75 centimeters of rain a year which never experience freezing temperatures are most likely found : Show Answer


Q44) Biomes with permafrost are most likely:
Show Answer


Q45) Bison grazing on grasses growing in a meadow represent: Show Answer


Q46) Compared to persistent pesticides, non-persistent pesticides are Show Answer


Q47) Competitive exclusion is not as common as many biologists expected, in large part because : Show Answer


Q48) A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. the food chain is : Food crop-Rat-snake-Hawk. In this food chain , the highest concentration of the pesticide would accumulate in which one of the following ? Show Answer


Q49) Composting toilet system require : Show Answer


Q50) Consumers that eat plants rely upon Show Answer


Q51) Continued increases in crop yields in developed parts of the world are primarily limited by Show Answer


Q52) Creation of sustainable ecosystems can be achieved through Show Answer


Q53) DDT was least effective in combating? Show Answer


Q54) DDT was widely used , and remains in use today in some countries, to fight malaria by: Show Answer


Q55) Deciding to use a natural enemies approach to control the mites that infect her crops, a farmer purchases 10,000 ladybugs in the spring and spreads them over her 100 acre field. This represents the use of natural: Show Answer


Q56) Deep in the ocean off the shore of Japan, are communities nestled around hydro thermal vents where super heated water, speringa from the bottom of the ocean. No sunlight ever penetrates to these deep regions. In these communities bacteria have special enzymes that allow them to form organic matter by chemosynthesis. These communities frequently have worms, clams, shrimp and many other organisms clustered together. In such a system, fish feed on shrimp that feed on the bacteria. This food chain represents a: Show Answer


Q57) Deep underground reservoirs of water are called: Show Answer


Q58) Density-independent factors such as earthquakes and hurricanes are: Show Answer


Q59) Developing a new form of ecological pest control, researcher engineer crops to produce the pheromone,, overwhelming the fields and causing the male pests to fail to find a mate. This new form of ecological pest control combines: Show Answer


Q60) Driving along a highway, you start noticing plants with tiny blue flowers. Several miles later, these flowers are very abundant. Then even further, the flowers become less abundant, until finally, you do not see them at all. The regions with just a few of these plants represented the plant's : Show Answer


Q61) Dung beetles feeding on the waste of cattle, grazing on hay in a field, represent Show Answer


Q62) Ecosystem management values most Show Answer


Q63) Ecosystem sustainability primarily results from the Show Answer


Q64) Ecotones Show Answer


Q65) Energy is lost as it moves from one trophic level to the next because: Show Answer


Q66) Energy is Show Answer


Q67) Energy transfer between trophic levels in aquatic system is generally
Show Answer


Q68) For more than 20 years, scientists have been analyzing expected climate change and the impact on crops grown in particular regions. For example, states that typically plant corn and soybeans may need to switch to growing cotton Such a change is an example of : Show Answer


Q69) If a plowed farm field were converted back to natural grassland, we would expect that: Show Answer


Q70) If an owl is moved from a mature evergreen forest to mature hedge row in a suburban neighborhood, the owl's _____________has been changed. Show Answer


Q71) In a food chain , bio-magnification is the result of : Show Answer


Q72) In a forest, deer, raccoons ,squirrels, and other animals eat and find shelter. A detritus food web occurs as their wastes accumulate on the forest floor. In this detritus web Show Answer


Q73) In an ecosystem with many similar species, we typically find Show Answer


Q74) In an ecosystem, the replacement of one new species for another because of direct competition for the same resources define Show Answer


Q75) In any food web, bio magnification will result in the highest concentrations of toxins in the Show Answer


Q76) In case of parasitic food chain, the shape of the pyramid of number is always Show Answer


Q77) In general., Show Answer


Q78) In general, humans can harvest renewable resources of plants and animals at sustainable levels because Show Answer


Q79) In general, most ecosystems in the world have: Show Answer


Q80) In the lower regions of Uttaranchal , a toxic weed called leafy spurge was accidentally introduced and has grown and spread rapidly, covering millions of acres of grasslands. Leafy spurge is generally avoided by cattle and horses and may be toxic to them. thus, grasslands where leafy spurge has spread has been damaged by the invasion of this plant. Plants such as leafy spurge can double their population size every year in part because of their efficient production of large amounts of seeds. Populations that can double every year , such as leafy spurge. Show Answer


Q81) In the lower Himachal Mountains, several species of salamander, an amphibian, live in or near a stream. The largest species lives in the stream and along its edges, a smaller species lives on land within a meter or two of the steam, and a smaller species lives about 3-5 meters away from the stream. In this region, these salamander species are using Show Answer


Q82) Invasive species are dangerous because Show Answer


Q83) Iron ore mining companies are expanding into the deep forest of Orissa where native populations of indigenous people have lived off the land for many centuries. In order to resolve the growing conflicts between the natives and the mining companies they have been urged by the Government officials to bring together all of the interested parties. The mining company operations in the forest will likely lead to the loss of ecosystem services , such as Show Answer


Q84) It is common to hear about the reproductive potential of many organisms. Perhaps someone has mentioned that if all of the eggs of houseflies were to survive to maturity, the world would soon be covered by flies. This does not happen, because in reality Show Answer


Q85) Maintaining sustainable human exploitation of ecosystem capital will be increasingly difficult because of Show Answer


Q86) Many polluted ecosystems will recover if we stop polluting them. This illustrates Show Answer


Q87) Many ecosystems are damaged by attempts to make a quick profit because Show Answer


Q88) Many predators-prey relationship do not result in the complete elimination of the prey because Show Answer


Q89) Most persistent organic pollutants enter food webs at the levels of Show Answer


Q90) Off the shore in Japan deep in the ocean where no sunlight can penetrate are found communities in which bacteria have special enzyme that allows them to form organic matter through chemosynthesis nestle around hydrothermal vents where super heated water springs from the bottom of the ocean, These communities frequently have worms, clams , shrimps, and many other organisms clustered together , Hydrothermal vent communities are unusual because. Show Answer


Q91) On a vacation ,you spend much of the day relaxing on an ocean beach soaking up the sun. The beach where you are spending your time is good example of Show Answer


Q92) Persistent organic pollutants (POPs) reach toxic levels is organisms in natural ecosystems in large part because of bio magnification in which the highest concentrations of POPs are found in Show Answer


Q93) Some birds have been seen to consumer certain soils in what is called geophagy. In some cases, the soils hep the birds digest toxins that occur in their diets. These birds eating soil represent a member of the Show Answer


Q94) The cattle were removed from a field and shrubs and bushes were seen dotting the grass-covered hillsides. a few years later, small pine trees and then larger deciduous trees appeared. Now, there are so many trees and shaded regions it is difficult to tell that this was once a field. what once was open posture in a long abandoned farm has changed over time, without the direct influence of human. In this wooded region that was once pasture, a mature forest of towering trees has taken over. However, change is still apparent, as a large patch of young shrubs and small trees are growing where several large were toppled by a storm several years ago. Collectively, this wooded regions represents. Show Answer


Q95) The common definition of pest Show Answer


Q96) What once was an open pasture on a long abandoned farm has changed over time, without the direct influence of human .After the cattle had been removed, shrubs and bushes could be seen dotting the grass-covered hillsides. A few years later small pins trees and the large deciduous trees appeared , Now , there are so many trees and shaded regions it is difficult to tell that this was once a field. The changes in this field, from grasses to shrubs to trees, represent Show Answer


Q97) Which of the following represents a type of mutualism? Show Answer


Q98) Which one of the following illustrates interspecific competition? Show Answer


Q99) Which one of the following illustrates intraspecific competition? Show Answer


Q100) Which one of the following statements best reflects the overall position of current science on the role of biodiversity in ecosystems? Show Answer


Q101) Which one of the following statements is true? Show Answer


Q102) Why are there so few ecosystems with more than four levels of consumers? Show Answer


Q103) Widely applying pesticides may lead to resurgence and secondary-pest outbreak because: Show Answer


Q104) Wild plants often have greater resistance to parasites than domesticated plants because the wild plants experience: Show Answer


Q105) A food chain consist of
1) producers
2) primary consumers
3) carnivores
4) decomposers
Which of the above is./are correct?
Show Answer


Q106) Consider the following statements :
1) Food ensures survival of all types of trophic levels.
2) The energy takes place form autotrophs to the heterotrophs.
3) Organisms can make organic compounds from inorganic substances by using the radiant energy of the sun in the presence of chlorophyll .
Which of these statement(s) is/are correct? Show Answer


Q107) Consider the following statements :
1) The amount of usable energy remains constant as it is passed form one trophic level to another .
2) The energy within an ecosystem is fixed and never changes.
Which of these statement(s) is /are correct? Show Answer


Q108) Food chains differ from food webs in that
1) Food chains are single sequence of who eats whom in a community.
2) Food chains better represent the entire community.
3) Food webs represent the complex interaction among food chains.
4) Food chains is the flow of energy in a population.
Which of these statement(s) is /are correct? Show Answer


Q109) Which of the following is/are tend(s) in ecological succession?
1) An increase in complexity of species.
2) An increase in productivity.
3) An increase in community stability and species diversity.
4) A decrease in nonliving organic materials.
Which of the above is/are correct? Show Answer


Q110) Consider the following statements :
1) An important characteristic of all communities is that composition and structure constantly change in response to the changing environmental condition.
2) These changes lead finally to a community that equilibrium with itself and not the environment and that is called climax community.
3) The entire sequence of communities that successively change in a given area fare called sere(s)
Which of these statement(s) is /are correct? Show Answer


Q111) Which of the following factors influence communities?
1) Climate
2) Species interaction
3) Feeding relationships among organisms
4) Succession
Which of the above is/are correct?
Show Answer


Q112) Which of the following include(s) ecosystem services?
1) Purification of air and water by forests
2) Forests mitigate droughts and flood
3) Forests act as store house of carbon
4) Forest influence hydrological cycle
Which of the above is/are correct? Show Answer


Q113) Which group of organisms are not constituents of a food chain?
1) Grass, lion, rabbit, wolf
2) Plankton, man,fish,grasshopper
3) Wolf, grass, snake, tiger
4) Frog, snake, eagle, grass, grasshopper
Which of the above is/are correct? Show Answer


Q114) Which one is not the dynamic aspect of an ecosystem?
1) Producers and mineral cycles
2) Consumers and mineral cycles
3) Producers and energy flow
4) Energy flow and mineral cycles
Which of the above is/are correct? Show Answer


Q115) Which is correct for a food chain?
1) 90% loss of energy or food at each successive trophic level.
2) Transfer of food from one trophic level to next higher one as per Lindeman's ten cent law.
3) Transfer of energy from one trophic level to next higher one as per ten per cent law.
4) None of above .
Which of the following statement(s) is/are correct? Show Answer


Q116) Maintenance of ecosystem depends upon
1) material cycle
2) food chains and web
3) energy flow
4) change in atmosphere
Which of the above is/are correct? Show Answer


Q117) Which of the following is not a group of man-made ecosystem?
1)Forest and grassland ecosystem
2) Desert and pond ecosystems
3) Crop field and aquarium
4) River and estuary
Which of the above is/are correct?
Show Answer


Q118) Which country is the largest producer of Greenhouse gases in the world? Show Answer


Q119) Which of the following is the theme of International day for Preservation of the Ozone Layer 2013? Show Answer


Q120) World Habitat day is observed across the wold on 7th October 2012. Which of the following sentence (s) is/are true about it?
1. The theme of the World Habitat Day 2013 is "Urban Mobility to encourage people to shift towards more sustainable modes of tran sporatation".
2. The first World Habitat Day was celebrated in the year 1987.
3. On this day, the United Nation Human settlements Programme gives the Habitat Scroll of Honour awards since 1989. Show Answer


Q121) Which of the following Islands is the only place in India where the rare yellow mangrove (Ceriops tagap) is found? Show Answer


Q122) With an aim to reduce carbon emission and making railway system environmental friendly, the Indian Railway has proposed to utilize which of the following as fuel for its fleet of diesel locomotives? Show Answer


Q123) Recently, a rare discovery of a wildlife species namely "The Tibetan Brimstone" was made in Eaglenest Wildlife Sanctuary in West Kameng district of Arunachal Pradesh. What is it? Show Answer


Q124) Recently (September 2013) which of the following countries had committed financial and technical assistance to India for the Green Energy Corridor? Show Answer


Q125) Which one of the following companies has unveiled the world's first clinically proven conjugate Typhoid vaccine "Typbar - TVC"? Show Answer


Q126) According to the study conducted by University of Minnesota in the first week of March 2013, which species of Africa would decline to almost extinction over the period of coming 20 - 40 years if Conversation measures were not undertaken? Show Answer


Q127) Which compost plant became first in India to receive carbon credits worth 25 lakhs rupees from the United Nations Framework Convention of Climate Change? Show Answer


Q128) You are working for the Environmental Protection Agency considering the effect of a potentially toxic chemical in drinking water. There is as yet no documented scientific evidence against the chemical, but many suspect it to be health hazard. Using the Precautionary Principle, what would be a reasonable environmental policy? Show Answer


Q129) The National Tsunami early warning System has been set up by the Government of India at Show Answer


Q130) Which of the following is correct about the tropical Cyclone Phailin?
1. It was the equivalent to a Category 5 hurricane or super typhoon.
2. Destructive winds well over 160 kph (100 mph) and flooding rain of at least 200mm (8 inches) pummeled the affected region.
3. Advanced warnings led to the evacuation of close to 1 lakh people.
4. It affected Thailand, Malaysia, Nepal and the Indian states of Andaman and Nicobar islands, Odisha, Andhra Pradesh, Jharkhand and West Bengal. Show Answer


Q131) The National Green Tribunal on 28 September 2013 banned digging of earth across India for making bricks and roads without prior environment clearance. A bench headed by Justice P Jyothimani directed the Chief Secretaries of all states and union territories to ensure that its interim order is adhered to.
The Tribunal issued notice to _____ seeking its response on a plea to direct the state government to stop extraction of earth for making bricks and roads, allegedly going on in violation of a Supreme Court decision and directions of the Environment Ministry to all states. Fill in the blank with the name of the state to whom the notice was issued.
1. West Bengal
2. Jharkhand
3. Uttar Pradesh
4. Madhya Pradesh
5. Bihar Show Answer


Q132) The Union Ministry of Environment and Forests (MoEF) on 17th September 2013 notified that it banned industrial expansion in 8 industrial clusters. the ministry imposed moratorium on environmental clearance for eight new industrial projects. Which of the following is the correct match of the eight clusters?
1. Asansol, singrauli, Korba, Bhiwadi, Manali, Patancheru - Bollaram, Panipat and Jharsuguda.
2. Indore, Singrauli, Vapi, Ghaziabad, Ludhiana,Patancheru - Bollaram, Panipat and Jharsuguda.
3. Indore, Manali, Vapi,Ghaziabad, Ahmedabad, Bhiwandi, Panipat and Jharsuguda.
4. Asansol, Singrauli, Vapi, Korba, Ludhiana, Patancheru - Bollaram, Korba and Bhiwandi.
5. Manali, Singrauli, Ahmedabad, Bhiwandi, Ludhiana, Korba, Panipat and Jharsuguda. Show Answer


Q133) The South Korean scientist from the Personal Genomics Institute in Suwon unveiled that they carried out first ever DNA analysis of the tiger as well as four other great felines. The DNA analysis was carried out in the project for helping the critically - endangered cats for their survival. Which of the following were the 4 felines used for the purpose? Show Answer


Q134) Scientist from the University of Technology, Sydney (UTS) explained that seagrass can play a crucial role in fighting against the climate change. which of the following is/are correct about seagrass?
1. Seagrass helps by capturing and storing the carbon by the process of photosynthesis.
2. Seagrass also traps the particles in the water column.
3. The seagrass plant is 135 times better in locking the carbon than the rain forests. Show Answer


Q135) The Government on 5th August 2013 introduced the Wild life (Protection)Amendment Bill 2013 in the Rajya Sabha for stricter enforcement of laws to protect wildlife. Which of the following is/are being proposed by the bill?
1. To seek heavier penalties to check wildlife related crimes.
2. To make Indian laws consistent with the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
3. The bill provides the legal framework for the protection of various species of wild animals, management of their habitat and also for the regulation and control of trade in the products derived from them.
4. It provides for prohibition on use of animal traps except under certain circumstances and provide for protection of hunting rights of the Scheduled Tribes in Andaman and Nicobar Islands.
Show Answer


Q136) The Ministry of Environment and Forests on 19th July 2013 gave green clearance for an International airport in north Kerala's Kannur district. The proposed Airport was cleared by the Ministry Civil Aviation in February 2008. which of the following were major concerns related to the project?
1. According to an estimate, 30421 trees will be cut to build the airport in a total land area of 525.50 hectares.
2. The ministry of Environment and Forest has directed the concerned department for compensatory tree plantation of at least 1:3 ratio and the department should carry the cost for its timely maintenance.
3.The total cost for the execution of AIR project will be approximately 1000 crore rupees. Show Answer


Q137) Europe in second week of July 2013 reached to a historic agreement to reforms its Common Fisheries Policy (CEF), which of the following statements capture the essence of the board objective of CEP?
1. Rebuilding of fish stocks.
2. Setting up a legally binding targets to end overfishing alongside reducing catches of non - target fish well as wasteful discarding.
3. It can mark watershed in the European Union's resolve towards sustainable fisheries.
4. The agreement promise to reserve decades of excessive overfishing by the European Fleets.
5. To prohibit subsides that lead to overcapacity and overfishing.
Show Answer


Q138) UNESCO's World Heritage Committee on 18 June 2013 increased pressure on the Australian government so as to conserve the Great barrier reef. Which of the following are the various Environmental threats to the Great Barrier Reef?
1. Lowered water quality from runoff including suspended sediment excess nutrients pesticides and fluctuations in salinity.
2. The effects of climate change, including increased temperatures storms and coral bleaching.
3. Cyclic outbreaks of the crown of thorns starfish and over fishing which disrupts food chains.
4. Shipping routes which can result in oil spills improper ballast discharge also cause damage to the reef. Show Answer


Q139) When ants bite, they inject : Show Answer


Q140) Which was the principal plant used in Green Revolution ? Show Answer


Q141) The gas which emits for rice field is - Show Answer


Q142) The release of which one of the following into ponds and wells helps in controlling the mosquitoes? Show Answer


Q143) The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with release of energy is called : Show Answer


Q144) Consider the following -
1. Solar Energy
2. Wind
3. Geothermal Energy
4. Tidal Energy
5. Waterfall
6. Paper and Wood
7. Wax and Grease
Which of the above is/are example/s of renewable energy? Show Answer


Q145) India set up a National Forest Commission- Show Answer


Q146) Consider the following statements-
National Forest Commission report made recommendations which included -
1. India must pursue rural development and animal husbandry policies to address local communities need to find affordable cattle fodder and grazing.
2. To avoid destruction of local forest cover, fodder must reach these communities on reliable roads and other infrastructure, in all seasons year round.
3. The Forest Rights Bill is likely to be harmful to forest conservation and ecological security. The Forest Rights Bill became a law since 2007.
4. The government should work closely with mining companies. Revenue generated from lease of mines must be pooled into a dedicated fund to conserve and improve the quality of forests in the region where the mines are located.
5. Power to declare ecologically sensitive areas must be with each Indian state.
Select the correct answer using the codes given below. Show Answer


Q147) Coral reefs are vulnerable to: Show Answer


Q148) Environmental Information System (ENVIS) acts as a decentralized information network for environment information. Which of these above statements are correct? Show Answer


Q149) Consider the following Creatures:
1. Wisent
2. lizards,
3. turtles,
Which of the above is/are Harbivorous Creatures/Creature? Show Answer


Q150) Which of the following are the key features of 'National Ganga River Basin Authority (NGRBA)?
1. River basin is the unit of planning and management.
2. It spearheads the river conservation efforts at the national level.
3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis.
Select the correct answer using the code given Below. Show Answer


Q151) The only snake that builds a nest is : Show Answer


Q152) Consider the following
1. PM10,
2. PM2.5,
3. NO2,
4. SO2,
5. CO,
6. O3, NH3 and Pb
7. HO2
Which of the above does National Air Quality Index (AQI) considers as pollutant/s Show Answer


Q153) ‘Namami Gange’ will focus on
1. pollution abatement interventions namely Interception, diversion & treatment of wastewater flowing through the open drains through bio-remediation / appropriate in-situ treatment / use of innovative technologies / sewage treatment plants (STPs) / effluent treatment plant (ETPs);
2. rehabilitation and augmentation of existing STPs and immediate short term measures for arresting pollution at exit points on river front to prevent inflow of sewage
Select the correct answer using the codes given below. Show Answer


Q154) Consider the following statements -
1. Global carbon dioxide (CO2) emissions from the energy sector in 2014 were at the same level as in 2013,
2. policy responses, rather than economic factors, led to the zero growth in emissions.
Select the correct answer using the codes given below. Show Answer


Q155) Which one of the following is not a functional unit of an ecosystem? Show Answer


Q156) The Tyler Prize for Environmental Achievement -the premier award for environmental science, environmental health and energy has been conferred on Show Answer


Q157) Consider the following statements-
1. The cause for the halt of CO2 emissions is the changing patterns of energy consumption in China and Organisation for Economic Cooperation and Development (OECD) countries.
2. In China, the year 2014 saw greater generation of electricity from renewable sources, such as hydropower, solar and wind, and less burning of coal.
Select the correct answer using the codes given below. Show Answer


Q158) Phytoplanktons are the members of Show Answer


Q159) Which one of the following is the most productive ecosystem? Show Answer


Q160) The effects of radioactive pollutants depends upon Show Answer


Q161) Ecologically sensitive and important areas, breeding and spawning grounds of marine life etc., are categorized in coastal Regulation Zone as: Show Answer


Q162) As per study shows whales are __________. Show Answer


Q163) Consider the following statements -
1. Non-degradable pollutants cannot be degraded by natural or artificial means.
2. are not recycled in the aqueous system naturally. e.g. radioactive materials, heavy metals and plastics.
Select the correct answer using the codes given below. Show Answer


Q164) The cause/s of soil pollution is
1. Municipal, Industrial and Radioactive Waste
2. Discarded material
3. Pesticides, fertilizers and organic manures
4. Mining Operations
Select the correct answer using the codes given below. Show Answer


Q165) The total forest and tree cover of the country is - Show Answer


Q166) Barack Obama, the US President has announced the plans of creating the world’s biggest Marine Protected Area (MPA) in the middle of Show Answer


Q167) Consider the following statements with regard to El Nino -
1. There are chances of weather-altering El Nino will develop in Pacific Ocean
2. El Nino may exceed from 50 percent to 65 percent.
3. El Nino development would be up to 70 percent.
Select the correct answer using the codes given below. Show Answer


Q168) What is the carbon credit? Show Answer


Q169) In which one of the following cities, Bio safety lab to strengthen the country’s livestock disease monitoring and forecasting system has been set up? Show Answer


Q170) An exotic carnivorous plant species Nepenthes zygon was on 25 November 2014 discovered at the Kew Gardens in Show Answer