InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1201. |
Run-off from fields isA. Point source pollutionB. line source pollutionC. area source pollutionD. diffuce source pollution |
| Answer» Correct Answer - D | |
| 1202. |
Green audit isA. estimation f crop yield and crop areaB. estimation of forested area and pasture landC. checking of impact of an establishment over environmentD. effect of environment over vegetation of an area. |
| Answer» Correct Answer - C | |
| 1203. |
The term smog was coined byA. FourierB. des voeuxC. schouwD. ashbel. |
| Answer» Correct Answer - B | |
| 1204. |
Match column I with column II A. P-2, Q-1, R-3, S-4B. P-4, Q-2, R-1, S-3C. P-1, Q-2, R-3, S-4D. P-3, Q-1, R-2, S-4 |
| Answer» Correct Answer - A | |
| 1205. |
Ozone hole is widest overA. EquatorB. North poleC. North temperature areaD. Antarctica. |
| Answer» Correct Answer - D | |
| 1206. |
Two components of automobile exhausts, which can interact to produce secondary pollutants areA. Carbon monoxide and nitrogen oxidesB. Nitrogen oxides and hydrocarbonsC. Carbon dioxides and sulphur dioxideD. Sulphur and nitrogen oxides. |
| Answer» Correct Answer - B | |
| 1207. |
Examples of secondary air pollutants is/are:A. SmogB. `O_(3)`C. PAND. All of these |
| Answer» Correct Answer - D | |
| 1208. |
Examples of secondary air pollutants is/are:A. SmogB. PANC. CFCsD. All the above |
| Answer» Correct Answer - D | |
| 1209. |
What are secondary pollutants? Mention 2 examples. |
| Answer» Those formed by interaction among primary pollutants such as PAN, ozone. | |
| 1210. |
Biochemical oxygen demand measures:A. Industrial pollutionB. Air pollutionC. Dissolved oxygen required for decomposersD. Pollution capacity of effluents |
| Answer» Correct Answer - C | |
| 1211. |
Which of the following metals causes harmful effects?A. LeadB. CobaltC. UraniumD. All of the above |
| Answer» Correct Answer - D | |
| 1212. |
Ozone is spread in the swimming pool because:A. Absorbs UV radiationsB. Acts as disinfectantC. Easily available from `O_(2)`D. All the above |
| Answer» Correct Answer - B | |
| 1213. |
Drinking of mineral water with very low levels of pesticides (about 0.02 ppm) for long periods may:A. Cause cancer of intestineB. pesticide accumulation in the bodyC. cause leukaemiaD. Produce immunity against mosquito. |
| Answer» Correct Answer - B | |
| 1214. |
London smog of 1952 that killed about 4000 lives persons, wasA. photochemical and rich in `NO_(2)`B. coal induced and rich in `SO_(2)`C. effect of nuclear accidentD. due to atomic explosion |
| Answer» Correct Answer - B | |
| 1215. |
Number of wildlife is contiuously decreasing . What is the main reason for this?A. PredationB. Cutting down of forestC. Destruction of habitatD. Hunting |
| Answer» Correct Answer - C | |
| 1216. |
Reason for the elimination of wildlife isA. DeforestationB. Forest fireC. FloodsD. Less rainfall |
| Answer» Correct Answer - A | |
| 1217. |
Which one of the following is a wrong statement?A. Greenhouse effect is a natural phenomenonB. Most of the forests have been lost in tropical areasC. Ozone in upper part of atmosphere is harmful to animalsD. Eutrophication is a natural phenomenon in freshwater bodies |
| Answer» Correct Answer - C | |
| 1218. |
In an area where DDT had been used extensively, the population of birds declined significantly because:A. birds stopped laying eggsB. earthyworms in the area got eradicatedC. cobras were feeding exclusively on birdsD. many of the birds laid, did not hatch |
| Answer» Correct Answer - D | |
| 1219. |
In an area where DDT had been used extensively, the population of birds declined significantly because:A. birds stopped laying eggsB. earthworms in the area got eradicatedC. cobras were feeding exclusively on birdsD. many of the birds eggs laid did not hatch |
| Answer» Correct Answer - D | |
| 1220. |
In an area where DDT had been used extensively, the population of birds declined significantly because:A. Cobras were feeding exclusively on birdsB. Many of the birds eggs laid, did not hatchC. Birds stopped laying eggsD. Earthworms in the area got eradicated |
| Answer» Correct Answer - B | |
| 1221. |
Otopolish is formed ofA. carbohydrateB. MagnesiumC. LipidD. Calcium carbonate |
| Answer» Correct Answer - D | |
| 1222. |
Which of the following is an inorganic pollutant?A. SewageB. NitratesC. OilD. DDT |
| Answer» Correct Answer - B | |
| 1223. |
Pollution caused by persistent pesticides is relatively more dangerous to which type of organisms?A. HerbivoresB. First level carnivoresC. ProducersD. Top carnivores |
| Answer» Correct Answer - D | |
| 1224. |
Which process does not result in the return of carbon dioxide to the atmosphere?A. Combustion of fossil fuelsB. Decomposition of humusC. Respiration by bacteriaD. Photosynthesis by green plants |
| Answer» Correct Answer - D | |
| 1225. |
Afforestation is :A. restoring a forestB. plantation in barren landsC. cultivation under agricultureD. Jhum cultivation |
| Answer» Correct Answer - B | |
| 1226. |
Which is not an effect of global warming?A. More extreme weather conditionB. Poleward shifting of organismC. Rise of sea levelD. Good fungal growth in soil |
| Answer» Correct Answer - D | |
| 1227. |
Which is not an effect of global warming?A. More extreme weather conditionB. Poleward shifting of organismC. Rise of sea levelD. Good fungal growth in soil. |
| Answer» Correct Answer - D | |
| 1228. |
One of the most important functions of botanical gardens is thatA. They provide a beautiful area for recreationB. One can observe tropical plants thereC. They allow ex situ conservation of germplasmD. They provide the natural habitat for wildlife |
| Answer» Correct Answer - D | |
| 1229. |
Which one of the following is a wrong statementA. Ozone in upper part of atmoshere is harmful to animalsB. Greenhouse effect is a natural phenomenonC. Eutrophication is a natural phenomenon is freshwater bodiesD. Most of the forests have been lost in tropical areas |
| Answer» Correct Answer - A | |
| 1230. |
Domestic sewage of large citiesA. When treated in STPs does not really require the aeration step as the sewage contains adequate oxygenB. Has very high amounts of suspended solids and dissolved salts.C. Has a high BOD as it contains both aerobic and anaerobic bacteriaD. Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment plants (STPs) |
| Answer» Correct Answer - D | |
| 1231. |
The domestic sewage in large citiesA. has a high BOD as it contains both aerobic and anaerobic bacteriaB. is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)C. when treated in STPs does not really require the aeration step as the sewage contains adequate oxygen.D. has very high amount of suspended solid and dissolved salts. |
| Answer» Correct Answer - B | |
| 1232. |
Arrange `CFC, CH_(4), N_(2)O, and CO_(2)` in decreasing order according to their contribution in greenhouse effect:A. `CO_(2) gt N_(2)O gt CFC gt CH_(4)`B. `CFC gt CO_(2) gt CH_(4) gt N_(2)O`C. `CH_(4) gt CFC gt N_(2)O gt CO_(2)`D. `CO_(2) gt CH_(4) gt CFC gt N_(2)O` |
| Answer» Correct Answer - D | |
| 1233. |
Removal of desirable substances/plants is calledA. negative pollutionB. positive pollutionC. biomagnificationD. conservation |
| Answer» Correct Answer - A | |
| 1234. |
Safe limit of water fluoride level isA. `0.1 xx 0.4 mg//litre`B. `0.5 xx 0.8 mg//litre`C. `0.9 xx 1.2 mg//litre`D. `1.3 xx 1.6 mg//litre` |
| Answer» Correct Answer - B | |
| 1235. |
Match the column `{:(,"Column I",,"Column II"),(a.,"Environment (Protection) Act",(i),1988),(b.,"Air (Prevention and Control of Pollution) Act",(ii),1987),(c.,"Water (Prevention and Control of Pollution) Act",(iii),1981),(d.,"Montreal Protocol",(iv),1974),(e.,"National Forest Policy",(v),1986):}`A. a(v), b(ii), c(iv), d(i), e(iii)B. a(v), b(ii), c(iv), d(ii), e(i)C. a(i), b(iii), c(iv), d(v), e(ii)D. a(i), b(ii), c(iv), d(v), e(iii) |
| Answer» Correct Answer - B | |
| 1236. |
By the end of 2002 in Delhi which step is completed for reducing vehicular pollution?A. Phasing out of old vehiclesB. Uses of unleaded petrolC. Buses were converted to run on CNGD. Use of catalytic converters |
| Answer» Correct Answer - C | |
| 1237. |
$ Schleiden and Schwann formulated the theory of inheritance of characters. ! The non living matter also follows the laws of inheritances.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
| Answer» Correct Answer - D | |
| 1238. |
The zone of atmosphere in which the ozone layer is present is calledA. TroposphereB. IonosphereC. MesosphereD. Stratosphere |
|
Answer» Correct Answer - D The zone of atmosphere in which the ozone layer is present is called stratosphere. |
|
| 1239. |
Degradation of ozone layer in stratosphere byA. `O_3`B. ` H_2O`C. ` NH_3`D. `CF_2Cl_2` |
|
Answer» Correct Answer - D Degradation of ozone layer in stratosphere by `CF_2Cl_2` (CFCs). |
|
| 1240. |
Which one is employed for clearing oil spillageA. Escherichia coliB. StreptococcusC. Bacillus thuringiensisD. Pseudomonas. |
| Answer» Correct Answer - D | |
| 1241. |
A scrubber in the exhaust of a chemical industrial plant removesA. Particulate matter of the size 2.5 micrometer or lessB. Gases like sulphur dioxideC. Particulate matter of the size 5 micrometer or aboveD. Gases like ozone and methane |
|
Answer» Correct Answer - B A scrubber in the exhaust of a chemical industrial plant removes gases like sulphur dioxide. |
|
| 1242. |
Which one is employed for clearing oil spillageA. Escherichia coilB. StreptococcusC. Bacillus thuringiensisD. Pseudomonas |
|
Answer» Correct Answer - D Pseudomonas is employed for clearing oil, spillage. |
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| 1243. |
Gastrointestinal problems are caused byA. Acid rainB. Water pollutantC. Soil pollutionD. Sound production |
| Answer» Correct Answer - B | |
| 1244. |
High value of BOD (Biochemical Oxygen Demand) indicates that:A. Highly polluted waterB. Less pollution in waterC. Less sewageD. Less microorganisms |
|
Answer» Correct Answer - A High BOD indicates highly polluted water |
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| 1245. |
Lacunate collenchyma occurs inA. TomatoB. SunflowerC. TangetesD. Cucurbite |
| Answer» Correct Answer - D | |
| 1246. |
Which is not a green house gas ?A. ChlorofuorocarbonB. MethaneC. Carbon dioxideD. Hydrogen |
| Answer» Correct Answer - D | |
| 1247. |
Gastrointestinal problems are caused byA. Acid rainB. Water pollutionC. Soil pollutionD. Sound production |
|
Answer» Correct Answer - B Gastrointestinal problems are caused by water pollution |
|
| 1248. |
Bitterness of cucurbits is due toA. Alkalinity of pulpB. Bitter seedsC. TriterpenesD. Acidity |
| Answer» Correct Answer - C | |
| 1249. |
Which one has the maximum biomas ?A. Temperate forestsB. Tropical rain forestC. Alpine vegetaionD. Taiga |
| Answer» Correct Answer - B | |
| 1250. |
A water body has high BOD indicating that water isA. Being contaminated with sewageB. Being aeratedC. Receiving mineralsD. Atrophic |
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Answer» Correct Answer - A A water body has high BOD indicating that water is being contaminated with sewage. |
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