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.
| 1151. |
Methyl isocyanate of Bhopal gas tragedy wasA. CarbamateB. OrganophosphateC. OrganochlorineD. None of the above |
| Answer» Correct Answer - A | |
| 1152. |
Which is most ionisingA. X-raysB. `gamma`-raysC. `beta-`raysD. `alpha`-rays |
| Answer» Correct Answer - D | |
| 1153. |
Non-ionising radiation with specific biological effects areA. UV radiationsB. Beta raysC. Gamma raysD. X-rays |
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Answer» Correct Answer - A Non-ionising radiation with specific biological effects are UV radiations. |
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| 1154. |
The first atomic bomb was trhown overA. NagasakiB. HiroshimaC. TokyoD. Hong kong |
| Answer» Correct Answer - B | |
| 1155. |
Development that meets the need of the present without compromming the ability of future generation to meet their own need is calledA. sustainable developmentB. social developmentC. economic developmentD. environment development |
| Answer» Correct Answer - A | |
| 1156. |
Ability of a gene to express more than one characters is called Pleiotropy. ! The occurance of a bacterium in more than one morphological forms is called poly-morphisms.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 - B | |
| 1157. |
Fertility of soil is measured by its ability toA. Retain nutrientsB. Hold organic materialsC. Hold waterD. Support life |
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Answer» Correct Answer - D Fertility of soil is measured by its ability to support life. |
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| 1158. |
Atomic bomb was used during world war II inA. 1941B. 1939C. 1943D. 1945 |
| Answer» Correct Answer - D | |
| 1159. |
Atomic exlosion has the ability to make radioactive materialA. Iodine -131B. cesium-137C. strontium -90D. All the above |
| Answer» Correct Answer - D | |
| 1160. |
The most significant attribute of noise is itsA. durationB. unpleasant natureC. LoudnessD. Frequency |
| Answer» Correct Answer - C | |
| 1161. |
The main problem with switching over to CNG is the difficultyofA. Laying down pipelines to deliver CNG through distribution point or pumpsB. CNG cannot be adulteratedC. CNG cannot be siphoned off by thievesD. All of the above |
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Answer» Correct Answer - A The main problem with switching oyer to CNG is the difficulty of laying down pipelines to deliver CNG through distribution point or pumps. |
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| 1162. |
CNG stands forA. Compressed Normal GasB. Common Natural GasC. Compressed Natural GasD. Combined Natural Gas |
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Answer» Correct Answer - C CNG stands for Compressed Natural Gas. |
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| 1163. |
Loud noise causesA. IrritationB. IrrationalityC. Impairment of hearingD. Dilation of blood vessels. |
| Answer» Correct Answer - C | |
| 1164. |
The first effect of noise isA. Constriction of blood vesselsB. Anxiety and stress reactionsC. increased heart beatD. digestive spasm |
| Answer» Correct Answer - B | |
| 1165. |
Green -house gases areA. Absorbers of long -wave radiations from earthB. transparent to both solar radiations and long-wave radiations from earthC. Absorbers of solar radiations for warming the atmosphere of earthD. Transparent to emision from earth for passage into outer space. |
| Answer» Correct Answer - A | |
| 1166. |
Climate of the world is threatened byA. increasing concentration of atmospheric oxygenB. decreasing amount of atmospheric oxygenC. increasing amount of atmospheric `CO_(2)`D. decreasing amount of `CO_(2)` atmospheric concentration |
| Answer» Correct Answer - C | |
| 1167. |
Climate of the world is threatened byA. increasing amount of `CO_(2)`B. increasing amount of `O_(2)`C. increasing amount of `O_(3)`D. none of the above |
| Answer» Correct Answer - A | |
| 1168. |
Climate of the world is threatened byA. Increasing amount of atmospheric `CO_(2)`B. Decreasing amount of atmospheric `CO_(2)`C. Increasing concentration of atmospheric `O_(2)`D. Decreasing amount of atmospheric `O_(2)` |
| Answer» Correct Answer - A | |
| 1169. |
Climate of the world is threatened byA. increasing concentration of atmospheric oxygenB. Decreasing amount of atmospheric oxygenC. increasing amount of atmospheric carbon dioxideD. decreasing amount of atmospheric carbon dioxide. |
| Answer» Correct Answer - C | |
| 1170. |
Which one of the following is a wrong statement?A. Ozone in the upper part of atmosphere is harmful to animals.B. Greenhouse effect is a natural phenomenon.C. Eutrophication is a natural phenomenon in fresh water bodies.D. Most of the forests have been lost in tropical areas. |
| Answer» Correct Answer - C | |
| 1171. |
Which one of the following expanded forms of the following acronyms is correct ?A. IUCN = International Union for Conservation of Nature and Natural ResourcesB. IPCC = International Panel for Climate ChangeC. UNEP = United Nations Environmental policyD. EPA= Environmental Pollution Agency |
| Answer» Correct Answer - A | |
| 1172. |
Anxiety and stress are caused byA. water pollutionB. nuclear pollutionC. noise pollutionD. air pollution |
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Answer» Correct Answer - C High noise pollution levels cause cardiovascular, neurological effects on the human body. If one person is exposed to such condition for a longer period of time, he will suffer form stress and anxiety disorders. |
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| 1173. |
Now-a-days use of DDT as insecticide is banned becauseA. it is less effective than other pesticidesB. organisms develop resistance to itC. productoin cost is very highD. it has long residual effect |
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Answer» Correct Answer - D DDT is banned because, it shown deleterious effects on organisms and is found in considerably high toxic amount in all trophic level organisms. It is degraded biologically and has long residual effects on almost all living organisms due to the high concentration of accumulation in higher trophic levels, i.e. biomagnification. |
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| 1174. |
Proteins percentage present in egg isA. 20.1B. 45C. 12.9D. 16 |
| Answer» Correct Answer - C | |
| 1175. |
The basic cause of variations isA. MutationsB. Out crossingC. IncrossingD. Recombinations |
| Answer» Correct Answer - A | |
| 1176. |
Who is called father of modern embrybologyA. Ernst HaeckelB. AristotleC. Von BaerD. Dollo |
| Answer» Correct Answer - C | |
| 1177. |
The experimental material used by hershey and Chase for proving that DNA controls heredity wasA. Escherichia coliB. Salmonella typhimuriumC. T(2) phageD. TMV |
| Answer» Correct Answer - C | |
| 1178. |
First nuclear reactor was built inA. RussiaB. U.S.AC. U.K.D. France |
| Answer» Correct Answer - B | |
| 1179. |
Amount of commercial energy being obtained from nuclear reactors in France isA. 0.35B. 0.51C. 0.73D. 0.42 |
| Answer» Correct Answer - C | |
| 1180. |
Lichens can be usedA. Bioindicator for water and air pollutionB. Initial vegetation for waste landsC. Source of woodD. To check air pollution |
| Answer» Correct Answer - D | |
| 1181. |
What is phytotron?A. A device to grow plants in controlled environmentB. Growing plants in greenhouseC. Radiation chamber to induce mutationsD. Apparatus to study the effect oflight on plants |
| Answer» Correct Answer - B | |
| 1182. |
Which of the following is a secondary pollutantA. PANB. COC. `NO_(2)`D. `SO_(2)` |
| Answer» Correct Answer - A | |
| 1183. |
Biochemicals oxygen demands in a river waterA. Remains unchanged when algal bloom occursB. Increases when sewage gets mixed up with river waterC. Has no relationship with concentration of oxygen in waterD. Gives a measure of salamonella in water. |
| Answer» Correct Answer - B | |
| 1184. |
Steps taken by government of India in controlling air pollution areA. Permission to use only pure diesel with a maximum of 500 ppm sulphu as fuel or vehicles.B. Use of non-poullting Compressed Natural Gas (CNG) only as fuel by all buses and trucksC. Compulsory mixing of `20%` ethyl alcohol with petrol and `20%` biodiesel with diesel.D. Compulsory PUC (Pollution Under Control) certification of period driven vehicles which tests of carbon monoxide and hydrocarbons |
| Answer» Correct Answer - D | |
| 1185. |
Steps taken by government of India in controlling air pollution areA. use of non-polluting Compressed Natural Gas (CNG) only as fuel by all buses and trucksB. Compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel.C. Compulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide by hydrocarbonsD. Permission to use only pur diesel |
| Answer» Correct Answer - C | |
| 1186. |
Steps taken by government of India in controlling air pollution areA. Use of non-polluting compressed natural gas (CNG) only as fuel by all buses and trucksB. Compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with dieselC. Compulsory PUC (pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbonsD. Permission to use only pure diesel with a maximum of 500 ppm sulfur as fuel for vehicles |
| Answer» Correct Answer - A | |
| 1187. |
Steps taken by government of India in controlling air pollution areA. Copmpulsory mixing of 20% ethyl alcohol in petrol and 20% biodisel in dieselB. Use of CNG as fuel by buses and trucksC. compulsury PUC certification of petrol driven vehicles which test for CO and hydrocarbonsD. Permission to use only pure diesel with a maximum 500 ppm sulphure. |
| Answer» Correct Answer - C | |
| 1188. |
Steps taken by government of India in controlling air pollution areA. Compulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbonsB. Permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehiclesC. Use of non-polluting Compressed Natural Gas (CNG) only as fuel by all buses and trucksD. Compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel |
| Answer» Correct Answer - A | |
| 1189. |
Non-point source of water pollution isA. Sewage outletB. Effluent from a factoryC. Agricultural runoffD. All of these |
| Answer» Correct Answer - C | |
| 1190. |
Water pollution is best assessed by determiningA. DOB. BOD and turbidityC. DO and acidityD. Hardness and alkalinity |
| Answer» Correct Answer - B | |
| 1191. |
Ecological balance of a mining area is restored throughA. conversion into agricultural areaB. revegetation of areaC. prevention of soil erosionD. protection against grazing |
| Answer» Correct Answer - B | |
| 1192. |
For the best ecological balance, land mass of a country in plains covered with forests must beA. `22%`B. `33%`C. `30%`D. `35%` |
| Answer» Correct Answer - B | |
| 1193. |
Forests in India according to Central Forestry Commision (1980) are aboutA. `19.4%`B. `17.3%`C. `31%`D. `13.0%` |
| Answer» Correct Answer - C | |
| 1194. |
Energy for activation of amino acids during proteins synthesis comes fromA. ATPB. GTPC. CTPD. UTP |
| Answer» Correct Answer - A | |
| 1195. |
Flavr Savr is genetically modifiedA. CottonB. RiceC. TomatoD. Potato |
| Answer» Correct Answer - C | |
| 1196. |
Microbes play a dual role when used for sewage treatment as they not only help in retrieve usable water but also generate fuel. Write in points how this happens? |
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Answer» Sewage is treated in sewage treatment plants to remove pollutants and retrieving clean water for its reuse again. This treatment is carried in two stages. 1. Primary treatment. It is a physical process of removal of small and large particles through filtration and sedimentation. 2. Secondary treatment. It is a biological process that employs bacteria. The activated sludge after primary treatment is pumped into a large tank called anaerobic sludge digester where anaerobic bacteria act on organic matter in anaerobic conditions to produce mixture of gases (biogas). The latter can be used as source of energy as it is inflammable. |
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| 1197. |
Create an aquatic food chain in a water body into which effluents flow from a pesticide factory. Diagrammatically represent and answer the following questions : (i) What is the phenomenon called? (ii) Explain biomagnification of pesticide. |
| Answer» (i) Biomagnification or biological magnification. | |
| 1198. |
Which industry workers suffer from Byssino-sis ?A. CardboardB. Coal minersC. TextileD. Paper |
| Answer» Correct Answer - C | |
| 1199. |
Smog that occurs due to low temperature and has reducing environment isA. London smogB. Photochemical smogC. Los Angeles smogD. All the above |
| Answer» Correct Answer - A | |
| 1200. |
Smog that occurs due to low temperature and has reducing environment isA. photochemical smogB. los angeles smogC. nonsulphurous smogD. london smog. |
| Answer» Correct Answer - D | |