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BEVAE 181 SOLVED QUESTION PAPER
This article provides a comprehensive and fully solved question paper for the BEVAE-181 Environmental Studies course, which is an essential component of the Ability Enhancement Compulsory Course for students pursuing Bachelor of Arts in General (BAG) and Bachelor of Arts in Vocational Studies specializing in Micro, Small, and Medium Enterprises (BAVMSME) programs. This resource is particularly valuable for students preparing for the upcoming Term-End Examination conducted by the Indira Gandhi National Open University (IGNOU).
Major Instructions to Write BEVAE 181 ENVIRONMENTAL STUDIES
Instructions:
- This is an objective-type question paper.
- You must mark your answers only in the OMR sheet.
- Answer all the questions.
- There are 50 questions, each worth one mark.
- Each question has four alternatives, one of which is correct. Write the Serial Number of your correct answer below the corresponding question number in the OMR sheet and then mark the rectangle for the same number in that column. If none of the given alternatives is correct, write 0 and mark in column 0.
- Do not spend excessive time reading the entire question paper. Progress through the questions one by one. You can return to unanswered questions if time allows.
BEVAE 181 December 2022 solved question Paper
| Q.No. | Question | Answer Options | Answer |
| 1 | Who developed the concept of determinism? | (1) Friedrich Ratzel (2) Ellsworth Huntington (3) Charles Darwin (4) Alexander von Humboldt | (1) Friedrich Ratzel |
| 2 | Which of the following is not one of the seventeen Sustainable Development Goals? | (1) Climate Action (2) Quality Education (3) Gender Equity (4) Reducing Inequality | (4) Reducing Inequality |
| 3 | Which one of the following is a human-modified environment? | (1) Artificial lake (2) Sanctuaries (3) Crop fields | (4) Dams |
| 4 | Which one of the following refers to a position in the food chain? | (1) Community level (2) Population-level (3) Trophic level (4) Biotic community | (3) Trophic level |
| 5 | In the biosphere, water component is known as: | (1) Ecosphere (2) Atmosphere (3) Lithosphere (4) Hydrosphere | (4) Hydrosphere |
| 6 | The sulphur cycle is an example of: | (1) gaseous cycle (2) sedimentary cycle (3) both gaseous and sedimentary cycle (4) None of the above | 3) both gaseous and sedimentary cycle |
| Q No. | Question | Answer Options | Answer |
|---|---|---|---|
| 7 | Secondary consumers are: | (1) plants (2) herbivores (3) carnivores (4) both herbivores and carnivores | (3) carnivores |
| 8 | In coniferous forest the soil is: | (1) acidic and mineral deficient (2) very rich in mineral nutrients (3) basic and mineral deficient (4) moderately basic and rich in mineral nutrients | (1) acidic and mineral deficient |
| 9 | Chameleons, agamids and geckos are found in: | (1) temperate rainforest (2) tropical seasonal forest (3) sub-tropical rainforest (4) tropical rainforest | (4) tropical rainforest |
| 10 | Which one of the following species excretes very concentrated urine and does not use water for temperature regulation and can live in the desert without drinking water? | (1) Camel (2) Nocturnal rodent (3) Ostrich (4) Rat-tailed bat | (1) Camel |
| 11 | Unattached aquatic organism which lives at the air-water interface is known as: | (1) Periphyton (2) Plankton (3) Neuston (4) Nekton | (3) Neuston |
| 12 | What is the percentage of fresh water where global distribution of water resources is considered? | (1) Less than 3% (2) Less than 4% (3) Less than 5% (4) Less than 6% | (1) Less than 3% |
| 13 | Which one of the following is a non-renewable resource? | (1) Wildlife (2) Water (3) Mineral deposits (4) Forest | (3) Mineral deposits |
| 14 | The average salinity of seawater is: | (1) 3% (2) 3.5% (3) 4.5% (4) 5% | (2) 3.5% |
| 15 | Which of the following is not achieved by the addition of manure? | (1) A more stable aggregate structure (2) Improved cohesiveness of soil (3) Increase in water retentive capacity (4) Decrease in soil salinity | (4) Decrease in soil salinity |
| 16 | Which one of the following is not a part of supporting ecological systems and processes function of forest? | (1) Checks the soil erosion (2) Improves the air quality (3) Reduces the intensity of cyclones and floods (4) Acts as a carbon sink | (3) Reduces the intensity of cyclones and floods |
| 17 | Which one of the following is a consequence of deforestation? | (1) Increase in soil erosion due to reduction in vegetation (2) Increase in the oxygen liberated by plants (3) Decrease in carbon dioxide level (4) Increase in availability of forest product | (1) Increase in soil erosion due to reduction in vegetation |
| 18 | Which one of the following is not a Non-Timber Forest Product (NTFP)? | (1) Medicinal herbs (2) Edible leaves and flowers (3) Firewood (4) Edible fruits | (3) Firewood |
| 19 | Which one of the following statements about the biodiversity in India is correct? | (1) The desert areas of Gujarat and Rajasthan have a very high level of desert animal species as well as numerous rare species. (2) Large scale planting of Bt cotton has no adverse effect on biodiversity. (3) Western Ghats have a very high degree of species richness and endemism. (4) Conversion of biodiversity is just a fad push. | (3) Western Ghats have a very high degree of species richness and endemism |
| 20 | An ecosystem with higher diversity will be: | (1) more complex, stable and resistant (2) more fragile and sensitive (3) more simple and less stable (4) less productive | (1) more complex, stable, and resistant |
| 21 | Which of the following animals are exclusively found in Brahmaputra Valley? | (1) Chinkara (2) Rhinoceros (3) Lion-tailed Macaque (4) Houbara Bustard | (2) Rhinoceros |
| 22 | Which of the following is not a biodiversity hotspot? | (1) The Western Ghats (2) The Himalayas (3) The Nicobar Group of Islands (4) Vindhyas and Satpura region of Madhya Pradesh | (2) The Himalayas |
| 23 | What percentage of energy needs of India are met by natural gas? | (1) About 7% (2) About 8% (3) About 6% (4) About 5% | (1) About 7% |
| 24 | Sludge gas largely consists of: | (1) carbon dioxide (2) sulfur dioxide (3) methane (4) hydrogen sulfide | (3) methane |
| 25 | Which one of the following is not a non-conventional source of energy? | (1) Fossil fuel (2) Solar energy (3) Biomass energy (4) Wind energy | (1) Fossil fuel |
| 26 | Which of the following is not an adverse effect of the construction of major dams in India? | (1) Submergence of forests and agricultural fields (2) Destruction of wildlife habitats (3) Displacement of people (4) Increase in the groundwater level of the surrounding region | (4) Increase in the groundwater level of the surrounding region |
| Q No. | Question | Answer Options | Answer |
|---|---|---|---|
| 27 | Fostering is a useful technique for conservation which has been found successful in : | (1) Whooping crane (2) Black-footed ferret (3) Angus cow (4) Seed plants | (1) Whooping crane /(2) Black-footed ferret |
| 28 | Mangroves in the coastal areas work against erosion by acting as : | (1) methane filters (2) regulation of water regime (3) natural bulwark (4) natural recharging aquifers | (3) natural bulwark |
| 29 | Which of the following is not an invasive species in India? | (1) Water hyacinth (2) Congress grass (3) Prosopis juliflora (4) Neem tree | (4) Neem tree |
| 30 | Buffer zone plays a significant role in the preserved areas. Which one of the following is not an important function of the buffer zone? | (1) It provides jobs and income without any ill-effect on species. (2) It provides a transition into the unmodified natural habitat in the core. (3) It permits for moderate recreational forestry. (4) Hunting is permitted in this zone. | (4) Hunting is permitted in this zone. |
| 31 | The size of Respirable Suspended Particulate Matter (RSPM) is : | (1) 1 – 10 mm (2) 10 – 20 mm (3) 1 – 20 µm (4) 10 – 20 µm | (3) 1 – 20 µm |
| 32 | _________ is the phenomenon of an increase in the concentration of pollutants from one link in a food chain to another. | (1) Biological concentration (2) Biomagnification (3) Bioconcentration (4) Biodegradation | (2) Biomagnification |
| 33 | Which one of the following is a primary pollutant? | (1) Peroxy Acetyl Nitrate (PAN) (2) Nitric acid (3) Carbon dioxide (4) Sulphuric acid | (2) Nitric acid |
| 34 | High level of BOD indicates : | (1) decreasing levels of organic waste in water (2) decreasing levels of sewage in water (3) increasing levels of dissolved oxygen in water (4) decreasing levels of dissolved oxygen in water | (4) decreasing levels of dissolved oxygen in water |
| 35 | Underground disposal is preferred for the disposal of : | (1) domestic wastes (2) radioactive nuclear wastes (3) plastic wastes (4) building debris | (2) radioactive nuclear wastes |
| Q No. | Question | Answer Options | Answer |
|---|---|---|---|
| 36 | Read the below given statements about single-use plastics and choose the correct options. | (i) They clog drains. (ii) They harm animals. (iii) They cause floods in cities. (iv) They can degrade easily. | (1) (i) and (ii) are correct |
| 37 | Eutrophication in water bodies is caused by: | (1) phosphates and nitrates (2) sulphates and nitrates (3) carbonates and nitrates (4) phosphates and oxalates | (1) phosphates and nitrates |
| 38 | Which of the following is not true for Chlorofluorocarbons (CFCs)? | (1) They are responsible for ozone depletion. (2) They are used in paints and deodorants. (3) They are stable and remain in lower regions of the atmosphere for many years. (4) They are unaffected by UV radiation in the upper atmosphere. | (2) They are used in paints and deodorants. |
| 39 | Which one of the following is used to measure the concentration of ozone? | (1) Parts per kilometer (2) Nanometer (3) Dobson (4) Radium | (3) Dobson |
| 40 | What is the approximate percentage of solar radiation which is absorbed by atmospheric gases? | (1) 10% (2) 20% (3) 30% (4) 40% | (3) 30% |
| 41 | The provision for environmental protection in our Constitution was made in the year: | (1) 1976 (2) 1974 (3) 1980 (4) 1952 | (1) 1976 |
| 42 | When was the Wildlife Protection Act enacted? | (1) 1971 (2) 1978 (3) 1975 (4) 1972 | (4) 1972 |
| 43 | Which one of the following is not one of seventeen categories of polluting industries identified by the Central Pollution Control Board? | (1) Pulp and paper (2) Oil refineries (3) Food processing (4) Tanneries | (3) Food processing |
| 44 | Projected world population by 2100 would be: | (1) 11.2 billion (2) 10.2 billion (3) 12.2 billion (4) 13.2 billion | (2) 10.2 billion ( |
| 45 | Match the following: Environmental Influence Category | (a) Stress (i) Physical (b) Toxins (ii) Psychological (c) Noise (iii) Biological (d) Allergens (iv) Chemical | (2) (a)–(ii), (b)–(iv), (c)–(i), (d)–(iii) |
Here are the questions, answer options, and correct answers in four columns, as requested:
| Q No. | Question | Answer Options | Answer |
|---|---|---|---|
| 46 | Which one of the following areas in India does not fall under the seismic zone? | (1) Kachchh region of Gujarat (2) Chamoli and Pithoragarh in Uttarakhand (3) Assam (4) Bundelkhand region of Uttar Pradesh and Madhya Pradesh | (4) Bundelkhand region of Uttar Pradesh and Madhya Pradesh |
| 47 | Chandi Prasad Bhatt was associated with: | (1) Silent Valley Movement (2) Green Revolution (3) Chipko Movement (4) Appiko Movement | (3) Chipko Movement |
| 48 | The teaching that all living organisms have values and rights regardless of whether they are useful or not refers to: | (1) Biocentrism (2) Stewardship (3) Anthropocentrism (4) The Western viewpoint | (1) Biocentrism |
| 49 | Using English-only material for communication to non-English speaking communities is an example of: | (1) Social inequity (2) Geographical inequity (3) Procedural inequity (4) Economic inequity | (1) Social inequity |
| 50 | Which one of the following is not an ENVIS Centre? | (1) National Institute of Occupational Health (NIOH), Ahmedabad (2) Central Pollution Control Board, New Delhi (3) Tata Institute of Fundamental Research (TIFR), Mumbai (4) Madras Institute of Development Studies (MIDS), Chennai | (3) Tata Institute of Fundamental Research (TIFR), Mumbai |
