Brainware University Environmental Studies Past Paper PDF 2024-2025

TEE/ VAC00006/ 2024 - 2025 BRAINWARE UNIVERSITY Term End Examination 2024 - 2025 Programme – BCA / B.Sc(CS)-Hons/ B.Sc.(ANCS)-Hons/ B.Sc.(MM)-Hons/ BBA/BBA(HM)/ B.Com.(BFA)-Hons/ B.A.(JMCMS)-Hons/ B.Sc.(BT)-Hons/ B.Sc.(MB)-...

TEE/ VAC00006/ 2024 - 2025 BRAINWARE UNIVERSITY Term End Examination 2024 - 2025 Programme – BCA / B.Sc(CS)-Hons/ B.Sc.(ANCS)-Hons/ B.Sc.(MM)-Hons/ BBA/BBA(HM)/ B.Com.(BFA)-Hons/ B.A.(JMCMS)-Hons/ B.Sc.(BT)-Hons/ B.Sc.(MB)- Hons Course Name –Environmental Studies Course Code – VAC00006 (Semester – 1) Question Bank [The figure in the margin indicates full marks. Candidates are required to give their answers in their own words as far as practicable.] Group –A (Multiple Choice Type Questions) 1. Choose the correct alternative from the following 1. Which layer of the atmosphere is closest to the Earth's surface? (K1, CO2) a. Troposphere b. Stratosphere c. Mesosphere d. Thermosphere 2. What is the approximate percentage of oxygen in the Earth's atmosphere? (K2, CO2) a. 21% b. 50% c. 78% d. 95% 3. What does the hydrosphere primarily consist of? (K2, CO2) a. Soil and rocks b. Air and gases c. Water in all its forms d. Plants and animals 4. What does the biosphere refer to? (K3, CO2) a. The part of the Earth's crust b. The zone of the atmosphere where made up of living organisms weather occurs  TEE/ VAC00006/ 2024 - 2025 c. The entirety of Earth's water d. The regions of the planet where living bodies, including oceans and organisms exist rivers 5. Which of the following is a key pillar of sustainable development? (K1, CO2) a. Profit maximization b. Social inequality c. Environmental protection d. Short-term planning 6. Which crop is primarily grown for its edible seeds that are rich in protein and oil? (K3, CO1) a. Sugarcane b. Cotton c. Barley d. Sunflower 7. What is the primary product obtained from the tapping of rubber trees in natural forests? (K1, CO1) a. Rubber latex b. Rubber seeds c. Rubber resin d. Rubber wood 8. Which of the following is a major consequence of over-pumping of groundwater? (K2, CO1) a. Decreased risk of drought b. Groundwater recharge c. Land fertility improvement d. Depletion of aquifers 9. Which is the most abundant non-renewable energy source used for electricity generation? (K3, CO1) a. Methane b. Uranium c. Carbon d. Carbon dioxide 10. Biogas is produced through the process of: (K3 CO1) a. Fermentation b. Photosynthesis c. Combustion d. Electrolysis 11. What is the primary government body responsible for regulating and overseeing the mining sector in India? (K1, CO2) a. Ministry of Environment and b. Ministry of Mines Forests c. Ministry of Home Affairs d. Ministry of Commerce and Industry 12 Which of the following represents an abiotic component of an ecosystem? (K2, CO1)  TEE/ VAC00006/ 2024 - 2025 a. Plants b. Animals c. Soil d. Insects 13. What is the primary function of an ecosystem? (K2, CO1) a. Providing habitat for a single b. Maintaining biodiversity species c. Producing non-renewable d. Controlling weather patterns resources 14. Infer the correct sequence in a typical food chain? (K2, CO1) a. Producers -> Consumers -> b. Decomposers -> Consumers -> Decomposers Producers c. Consumers -> Producers -> d. Decomposers -> Producers -> Decomposers Consumers 15. Which of the following is a characteristic feature of the desert ecosystem? (K2, CO1) a. Abundant rainfall throughout b. Dense and lush vegetation the year c. High humidity and moisture d. Limited water availability and sparse content vegetation 16. Which level of biological diversity refers to the variety of different species in a specific area? (K2, CO3) a. Genetic diversity b. Species diversity c. Ecosystem diversity d. Population diversity 17. Which of the following species is NOT endemic to India? (K1, CO3) a. Malabar Giant Squirrel b. Andaman Wood Pigeon c. Nilgiri Langur d. Snow Leopard 18. Which of the following is a major driver of biodiversity loss, causing the extinction of many species? (K2, CO3) a. Conservation efforts b. Habitat destruction c. Climate change d. Wildlife sanctuaries 19. Which air pollutant is responsible for the formation of acid rain, which can harm aquatic ecosystems and damage buildings and infrastructure? (K2, CO4) a. Carbon monoxide (CO) b. Sulfur dioxide (SO2) c. Methane (CH4) d. Volatile organic compounds (VOCs)  TEE/ VAC00006/ 2024 - 2025 20. Prolonged exposure to high levels of noise pollution can lead to: (K2, CO4) a. Enhanced hearing sensitivity b. Reduced risk of cardiovascular diseases c. Noise tolerance and adaptation d. Hearing loss and other auditory problems 21. Which of the following is a non-renewable energy source? (K2, CO1) a. Solar power b. Wind energy c. Natural gas d. Biomass 22. Coal, oil, and natural gas are examples of: (K2 CO1) a. Renewable energy sources b. Geothermal energy sources c. Fossil fuels d. Hydroelectric energy sources 23. Primary succession occurs in an area that: (K2 CO1) a. Has never been inhabited by b. Experiences periodic disturbances, living organisms. such as wildfires. c. Is already occupied by a d. Is dominated by invasive species. stable community of plants and animals. 24. Pyramid of biomass represents the: (K1 CO1) a. Distribution of organisms b. Total mass of living organisms in each based on their geographic trophic level. range. c. Flow of energy through d. Interaction between predators and prey. different ecosystems. 25. Ecological pyramids are graphical representations that show the: (K3 CO1) a. Geographic distribution of b. Interaction between producers and species in an ecosystem. consumers in a food web. c. Relative energy, biomass, or d. Seasonal changes in temperature and number of organisms at each precipitation. trophic level. 26. Grasslands are characterized by: (K4 CO1) a. Tall, dense forests with a b. Harsh, dry desert-like conditions with variety of tree species. cacti and succulents. c. Dominance of grasses and d. Cold and icy conditions with polar herbaceous plants with few bears and penguins. trees.  TEE/ VAC00006/ 2024 - 2025 27. Incineration is a disposal method of (K2, CO4) b. Air pollutant a. Water pollutant c. Solid waste d. Noise pollutant 28. The name of the disease that occurs due to mercury pollution is (K1, CO4) a. Minamata disease b. Skin cancer c. Ouch Ouch disease d. Kidney damage 29. Water is called polluted when DO level drops below (K1, CO4) a. 5 ppm b. 8 ppm c. 10 ppm d. 15 ppm 30. Example of ex-situ conservation is (K2, CO3) a. Conservation of plants in b. Sundarbans botanical garden c. Wind d. Both conservation of plants in botanical garden and wind 31. The abnormal growth and activities of a cell may cause (K1, CO4) a. Cancer b. Typhoid c. Cholera d. Malaria 32. Ozone acts as a protective shield when it resides in (K2, CO1) a. Mesosphere b. Stratosphere c. Thermosphere d. Troposphere 33. The audio range of human is (K1, CO4) a. 20-20000 Hz b. 200-20000 Hz c. 2000-5000 Hz d. 500-5500 Hz 34. The common unit of noise is (K1, CO3) a. Kg b. Hz c. gm d. Decible 35. A biotic factor of eco-system is (K3, CO1) a. Sunlight b. Soil  TEE/ VAC00006/ 2024 - 2025 c. Wind d. Tree 36. Green House gas is (K2, CO1) a. Carbon monoxide b. Sulfur dioxide c. Water vapour d. All of the above 37. Ozone hole in Antarctica is due to (K3, CO4) a. Methane b. CFC c. Carbon dioxide d. Nitrogen 38. Grassland ecosystem is occupied by nearly……. of Earth surface (K2, CO1) a. 21% b. 50% c. 70% d. 80% 39. The most potentially renewable energy resource is (K3, CO1) a. Sunlight b. Wind c. Tidal energy d. Biomass 40. The coldest region of atmosphere is (K1, CO1) a. Troposphere b. Ionosphere c. Mesosphere d. Stratosphere 41. The main component of air is (K1, CO1) a. Nitrogen b. Oxygen c. Carbon dioxide d. Water vapour 42. Itai itai disease occurs due to (K3, CO4) a. Arsenic pollution b. Lead pollution c. Mercury pollution d. Cadmium pollution 43. Example of in-situ conservation is (K3, CO3) a. Deer park b. Seed bank c. Wildlife sanctuary d. Aquarium 44. Air pollutant which reduces oxygen carrying capacity of hemoglobin is (K2, CO4) a. Carbon monoxide b. Ammonia  TEE/ VAC00006/ 2024 - 2025 c. Hydrogen sulphide d. Methane 45. Lithosphere means (K1, CO1) a. Air b. Organism c. Water d. Rocks and soil 46. The main source of water in India for agricultural purposes is (K2, CO4) a. Rain water b. Ground water c. Surface water d. Sea water 47. How many hot spots of biodiversity are present in India? (K1, CO3) a. Four b. Two c. Three d. Five 48. pH of the acid rain varies between (K2, CO4) a. 3-6 b. 9-11 c. 11-14 d. 6-9 49. A lake rich of nutrient is called (K1, CO2) a. Oligotrophic lake b. Mesotrophic lake c. Eutrophic lake d. Aziotrophic lake 50. The hottest region of the atmosphere is (K1, CO1) a. Troposphere b. Mesosphere c. Ionosphere d. Stratosphere 51. World Environment Day is observed every year on (K1, CO2) a. 5th June b. 5th July c. 5th August d. 5th September 52. A scientist who studies interaction between plants and animals is (K2, CO1) a. A physicist b. A chemist c. A geologist d. An ecologist 53. The noise threshold limit values for 16 hours is (K3, CO4) a. 80 dB b. 90 dB  TEE/ VAC00006/ 2024 - 2025 c. 100 dB d. 110 dB 54. In what medium sound can propagate fast? (K1, CO4) a. Gas b. Solid c. Liquid d. All of the above 55. What is the name of instrument by which sound can be measure in dB? (K1, CO4) a. Sound level meter b. Viscometer c. Thermometer d. Sound pressure meter 56. Which one is the example of ‘’climate factor ‘’ in bellow? (K1, CO4) a. Light b. Altitude of mountain c. Structure of the soil d. All of the above 57. Which pyramid is always an upright one? (K2, CO1) a. Pyramid of energy b. Pyramid of number c. Pyramid of number d. Pyramid of number and biomass 58. Symbiotic bacteria is (K3, CO1) a. Rhizobium b. Anabena c. Nostoc d. All of the above 59. The Montreal protocol is related to (K3, CO5) a. Land pollution b. Atmospheric pollution c. Water pollution d. Noise pollution 60. Which one of the following can be used for disinfection of water? (K3, CO4) a. Chlorine b. Hydrogen peroxide c. Ozone d. Both chlorine and ozone 61. BOD means (K2, CO4) a. Biological oxygen demand b. Biochemical oxygen demand c. Biggest oxygen demand d. Bio oxygen dissolved 62. Which one of the following ozones is harmful to public health? (K3, CO4) a. Stratospheric ozone b. Tropospheric ozone  TEE/ VAC00006/ 2024 - 2025 c. Laboratory ozone d. Lithospheric ozone 63. Identify the primary constituent of smog (K3, CO4) a. Water b. Sulphur dioxide c. Carbon dioxide d. Hydrogen sulphide 64. Which of the following is not biodegradable? (K2, CO4) a. Polythene b. Cotton c. Vegetable waste d. Wood 65. Contaminated water causes disease due to (K1, CO4) a. Increase of pathogens b. Increase of COD c. Increase of BOD d. Increase of DO 66. Sulphur cycle is (K2, CO2) a. Hydrologic cycle b. Gaseous cycle c. Sedimentary cycle d. Hydrolytic cycle 67. Tree hugging movement is (K1, CO5) a. Chipko Andolan b. Silent valley movement c. Narmoda dam movement d. Tehri dam movement 68. The causes of landslide is due to (K3, CO4) a. Deforestation b. Road construction c. Industrialization d. All of the above 69. Drought can be classified as (K1, CO4) a. Metrological drought b. Hydrological drought c. Agricultural drought d. All of the above 70. Biotic factor is related to (K1, CO1) a. Living organisms b. Non living organisms c. Both living and non living d. Fungus organisms 71. Energy flow in an ecosystem is (K3, CO1) a. Unidirectional b. Cyclic  TEE/ VAC00006/ 2024 - 2025 c. May be unidirectional or d. Can not be said cyclic depending on condition 72. Nitrogen cycle is a (K2, CO1) a. Gaseous cycle b. Hydrologic cycle c. Sedimentary cycle d. All of the above 73. The main pathogen present in contaminated water is (K2, CO4) a. Bacteria b. Algae c. Protozoa d. All of the above 74. In BOD test the BOD bottles are stoppered to (K2, CO4) a. Prevent mixing of carbon b. Prevent mixing of ozone dioxide c. Prevent mixing of oxygen d. Prevent mixing of inert gases 75. Hazardous waste should have characteristics (K1, CO4) a. Reactivity b. Corrosivity c. Toxicity d. All of the above 76. Hazardous waste should have characteristics (K1, CO4) a. Reactivity b. Corrosivity c. Toxicity d. All of the above 77. The best method of disposal of non-hazardous solid waste is (K3, CO4) a. Open dumping b. Sanitary land filling c. Incineration d. Composting 78. Effect of noise pollution is mainly on (K1, CO4) a. Physical health b. Mental health c. Heart rate d. All of the above 79. Examples of second trophic level organism is (K1, CO1) a. Plant b. Small fish c. Tiger d. Lion 80. Sound wave is an example of (K2, CO2)  TEE/ VAC00006/ 2024 - 2025 a. Transverse wave b. Longitudinal wave c. Electromagnetic wave d. Static wave 81. In genotoxicity the target area is (K2, CO4) a. Liver b. Kidney c. Blood d. Gene 82. The unit of measuring hardness is (K1, CO4) a. ppm b. gm/ litre c. Mole/ litre d. Mole/kg 83. By using photovoltaic cell, solar energy can be converted into (K3, CO4) a. Thermal energy b. Mechanical energy c. Electrical energy d. Wind energy 84. The main attribute of population growth is (K1, CO3) a. Birth rate b. Immigration rate c. Emigration rate d. Death rate 85. The maximum sustainable yield is obtained when the population is (K2, CO3) a. Half of the carrying capacity b. Double of the carrying capacity c. Two third of the carrying d. Three fourth of the carrying capacity capacity 86. Toxicity of chromium is maximum when its oxidation state is (K3, CO4) a. 6 b. 3 c. 0 d. 4 87. The most toxic volatile organic compound is (K2, CO4) a. Vinyl Chloride b. Carbon tetrachloride c. Chloroethane d. Methane 88. The example of primary consumer is (K2, CO1) a. Plant b. Cow c. Tiger d. Snake 89. In pulmonotoxicity the targeted body part is (K1, CO4)  TEE/ VAC00006/ 2024 - 2025 a. Liver Blood b. Blood c. Kidney d. Lungs 90. The exchange of mass and energy takes place in (K2, CO2) a. Closed system b. Open system c. Isolated system d. Homogeneous system 91. The BOD reaction gets completed in (K2, CO4) a. 45 minutes b. 12 hours c. 120 hours d. Never gets completed 92. With increase in temperature the DO in water (K3, CO4) a. Decreases b. Increases c. Remains same d. Can not be predicted 93. The essential component of photosynthesis is (K1, CO1) a. CO2 b. H2O c. Sunlight d. All of the above 94. Acid which may act as buffer is (K3, CO4) a. H2CO3 b. HCl c. HNO3 d. H2SO4 95. The nature of pyramid in successive trophic level is (K3, CO1) a. Inverted b. Upright c. Can be both inverted and d. Horizontal upright 96. Water will be considered saline if the TDS value is (K2, CO1) a. 5000mg/l c.