Pick the correct match The National aquatic animal of India is As per recent government data, how many tigers died in the last three years in India In the environment, ozone is known for its When huge amount of sewage is dumped into a river, its BOD, will The CO₂ content in the atmospheric air is about Upper part of sea aquatic ecosystem contains Food crops comprise The Ministry sometimes referred to as “Green Ministry” in India is Ministry of Out of total amount of water, the water found in seas and oceans is about? A recent technique for the study of vegetation is? The atmosphere of big metropolitan cities is polluted most by ? Most harmful environmental pollutants are ? Most abundant water pollutant is ? Montreal Protocol aims at ? Minamata disease is due to pollution of ? Maximum threat to the world is from ? The ultraviolet radiations in the stratosphere are absorbed by ? Maximum deposition of DDT will occur in ? Ultra-violet light causes ? Major aerosol pollutant present in the jet plane emission is ? Which of the environmental pollutions can cause birth defects? Lichens indicate pollution by ? Which of the following pollutants is discharged by jet planes? lf there was no CO2 in the atmosphere, the earth’s temperature would be ? Lead is one of the most serious environmental pollutants which affects ? Increase in the concentration of pollutants in higher trophic levels is known as ? Which of the following pollutions forms Heat island? Greenhouse effect is caused by ? Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by ? Gas leaked during Bhopal tragedy was ? Fluoride pollution mainly affects ? Fish die in water polluted by sewage due to ? Eutrophication is often seen in ? Escherichia coli used as an indicator organism to determine pollution of water with ? Eutrophication causes decrease in ? Decomposition of domestic wastes under natural processes is called ? DDT is a ? Ultraviolet radiation from sunlight causes the reaction that produces ? Contamination of water with sewage is indicated by cysts of ? Which one of the following is not normally a pollutant? CO emitted by automobiles prevents O-transport to body tissues by ? A chemical harmful released by Chlorofluorocarbon to ozone is ? As it travels along the food chain, the concentration of DDT ? Carbon monoxide is a pollutant because it ? Which one of the following statements is wrong in case of Bhopal, (India) tragedy? BOD of a pond is related to ______ in per unit volume of water ? BOD is connected with ? Biochemical Oxygen Demand (BOD) in a river water ? Attack of asthma in certain persons may be due to ? Among the following, a secondary pollutant is ? Addition of phosphates and nitrates/fertilizers into water leads to ? Acid rain is caused by increase in the atmospheric concentration of ? According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health? A disease affecting industrial workers is ? Which one of the following pairs of gases are the major causes of Greenhouse Effect? The pyramid of energy is always upright for any ecosystem. This situation indicates the fact that ? In a comparative study of grassland ecosystem and pond ecosystem, it may be observed that ? Which one of the following is correct matching of a plant, its habit and the forest type where it normally occurs? The average trophic efficiency of transfer of energy from one trophic level to the. higher trophic level is called ? Which is the reason for highest biomass in aquatic ecosystem? Which one of the following pairs in mismatched? These belong to the category of primary consumers ? Which of the following is an example of man-made ecosystem? Which one of the following is one of the characteristics of a biological community? Energy flow in ecosystem is ____? Which of the following is false? The correct sequence of plants in a hydrosere is ? The rate of formation of new organic matter by rabbit in a grassland, is called ? Niche is defined as the ? Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem? Plant species having a wide range of genetical distribution evolve into a local population known as ? Which one of the following is commonly found in temperate coniferous forest? Deserts, grasslands, forests and tundra are the examples of ? Which of the following is primary consumer? Actively moving organism in aquatic ecosystem ? In a lake, phytoplankton grow in abundance in ? Which one of the following correctly represents an organism and its ecological niche? Littoral zone is located along the ? A renewable exhaustible natural resource is ? Which one of the following ecosystem types has the highest annual net primary productivity? The age of pyramid with broad base indicates ? Bell-shaped polygonal pyramid indicates ? Complete competitors cannot coexist is true for ? Trophic levels in ecosystem is formed by? An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having ? The final stable community in ecological succession is ? In an aquatic ecosystem, the trophic level equivalent to cows in grasslands is ? The type of ecosystem with the highest mean plant productivity is ? Identify the possible link A in the following food chain: Plant → insect → frog → A → Eagle ? Which one of the following is not a gaseous biogeochemical cycle in ecosystem? The upright pyramid of number is absent in ? Which one of the following is not a functional unit of an ecosystem? Mass of living matter at a trophic level in an area at any time is called ? Sal (Shorea robusta) forest is a ? Quercus species are the dominant component in ? Savannahs are ? Pyramid of energy in ecosystems is ? Stratification is more common in ? Organisms which break down detritus into matter particles ? Succulent plants grow in ? Of the total incident solar radiation the proportion of PAR is ? The 10% law for energy transfer in food chains was given by ? In an ecosystem, the main source of energy is ? Biotic factors refer to ? The ecological pyramid which can be inverted in a tree eco-system is ? Microbes that break down the complex organic matter into simple substances like carbon, nitrogen, water etc. are ? The food chain, in which the microorganisms breakdown the energy-rich organic compounds prepared by the producers, is known as ? Animals living at the bottom of the sea are known as ? The maximum biomass occurs in ? Gradual and predictable changes in the species composition of a given area is ? The more abundant animals in a desert grassland are ? Hydrarch succession takes place in ? The most recently discovered ecosystem is ? DDT residues are rapidly passed through food chain causing biomagnification because DDT is ? The nature’s cleaners are ? The remains of the dead plants and animals is called ? Acacia arabica is ? The species, though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as ? Transfer of energy in different trophic levels of an ecosystem is called ? The biomass available for consumption by the herbivores and the decomposers is called ? The tiny free-swimming animals on the surface of water constitute ? When the two ecosystems overlap each other, the area is called ? Which of the following ecosystems has highest rate of gross primary production? Which of the following groups is absolutely essential functional component of the ecosystem? Which of the following is correctly matched? About 70% of total global carbon is found in ? Which of the following statements is correct? Average total rainfall is 100 - 150 cm in ______, located in Australia, South America and Africa? Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time? Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct? Which one of the following statements is correct for secondary succession? Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? Xeric environment is characterized by ? The term ‘Ecosystem’ was coined by ? Concept of ecological pyramids was proposed by ? Area under forest in Pakistan is? The percentage of cultivation land of the total area of Pakistan is about? _____ percent of country's population living in rural area? ______ percent of employee of agriculture work force? In existing canal and watercourses network how much water is lost and does not reach the crops? How much potential crop production our country is loosing annually? How many canals leave the Indus from Sukkur Barrage? Causes of plant succession are? A food chain has the following trophic levels? In an upright pyramid of biomass, the herbivores occupy the position? The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from nerbivores to carnivores is? Energy transfer from one trophic level to other in a food chain is? According to Odum the light absorbed by the plant cover in terms of kcal/m2/day is? The percentage of water bound in lithosphere and sedimentary rocks is? According to Lindemann, the percentage of net production passed on to carnivores is? The efficiency of primary production in an ocean is? According to Lindemann, the total solar input in terms of gcal/cm2/year is? According to Odum, the percentage of net primary production of total light intake is? The percentage of light energy utilized for photosynthesis by higher plants is? The importance of ecosystem lies in? Marine organism survive in pH of? Vultures and Hyenas are? A high Biological Oxygen Demand (Bod) indicates that? Algal bloom results in? The major pollutant from automoblie exhaust is? The carrying capacity of a population is determined by its? In a population, unrestricted reproductive capacity is called as? A human population is small, there is a greater chance of ? Exponential growth occurs when there is? Fine organic or inorganic particles suspended in air is called? All are particulate pollutants except? Air pollution is severe in? All are primary pollutants except? All are physical pollutants except? Earth summit was held in? Acid rain contains? Lead poisoning? Heavy dust can cause? Which of the following is the best indicator of SO2 pollution? Viable material of endangered species can be preserved by? What is the major cause of diminishing wildlife number? Red Data Book Provides data on? When is the World Wildlife week ? Biosphere reserve project was initiated in India during? The Environment Protection Act enacted on? Which of the following region has maximum diversity? Red data book contains data of? The lower limit of water availability is soil is known as? Upper layer of water in a single body of water is known as? Respiratory roots are known as? Ecological niche of an organism represents? The maintenance of relatively constant internal environment is called ? Climate includes? In pond ecosystem, the pyramid of biomass is ? The pyramid of biomass is inverted in ? The pyramid of energy in terrestrial ecosystem is? The concept of ecological pyramid was first proposed by ? The pyramid of numbers is inverted in the case of ? The development of a bare area without any life form is called ? Succession initiated on large sand deposits or deserts is called ? The pioneers in xerach succession is the ? Which of the following interactions will not promote co evolution? When both partners are affected negatively the nature of interaction is ? MAB stands for ? In a food chain of grassland ecosystem the top consumers are ? Trophic levels are formed by ? An ecosystem must have continuous external source of ? Energy flow in ecosystem is ? The pyramid of energy in any ecosystem is ? Ecotype is a type of species in which environmentally induced variations are ? Autecology deals with ?