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.
| 1. |
$ Pyramid of Energy is always upright ! Pyramid of biomass is always inverted.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 - C | |
| 2. |
For human populations, the age pyramids generally show age distribution of males and females both. |
| Answer» Correct Answer - T | |
| 3. |
Day time sound level in silent zone isA. 20dBB. 40dBC. 50dBD. 70dB |
| Answer» Correct Answer - C | |
| 4. |
Agent Orange was named so because ofA. Orange colourB. Orange stripe on packetC. Production of orange cloudD. Killing all greenery. |
| Answer» Correct Answer - B | |
| 5. |
Agent Orange consisted ofA. 2,4 -DB. 2,4,5-TC. Dioxin as contaminantD. All the above |
| Answer» Correct Answer - D | |
| 6. |
Name any two source of e-wastes and write two different ways for their disposal. |
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Answer» The sources of e-Wastes are : (a) Irrepairable computers (b) Electronic items like mobile phones, television sets etc. Two different ways of disposal of e-waste ared : (a) Damping the e-Waste into landfills. (b) Incinerating e-Waste, i.e. burning the e-Wastes completely into ashes. |
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| 7. |
Fill in the blanks : 1.Against the price of Rs….a…per kg that rag pickers had been getting for plastic waste, Ahmed Khan offers them …b… 2. Using Khan’s technique, by the year ...c..., more than ...d... km of road in Bangalore/Bengaluru already been laid.A. a=0.04,b=6,c=2006, d=60B. a = 0.60, b =4, c = 2002, d =40C. a = 0.40, b =6, c = 2002, d = 40D. a = 0.40, b =4, c = 2002, d =40 |
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Answer» Correct Answer - C 1. Against the price of Rs 0.04 per kg that rag packers had been gcitmg for plastic waste, Ahmed Khan offers them Rs . 6. 2. Using Khan’s technique. by (be year 2002, more than 40 km of road in Bangalore/Bengaluru already been laid. |
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| 8. |
$ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.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 | |
| 9. |
Stomach is the site for digestion ofA. FatB. ProteinC. CarbohydrateD. All of above |
| Answer» Correct Answer - B | |
| 10. |
Sewage purification is performed byA. MicrobesB. FertilizersC. AntibioticsD. Antiseptics |
| Answer» Correct Answer - A | |
| 11. |
Algal blooms impart a distinct colour to water due toA. their pigmentsB. excretion of coloured substancesC. formation of coloured chemicals in water facilitated by physiological degradation of algaeD. absorption of light by algal cell wall. |
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Answer» Correct Answer - A Algal blooms are considered as pollutants of water, as they have very damaging effects on flora and fauna of that water body. The color imparted by them depends on the colour of major pigment in them. For e.g., chlorophyll imparts the characteristic green colour. Also refer to answer 19. |
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| 12. |
Nuisance growth of aquatic plants and bloom-forming algae in natural waters is generally due to high concentrations ofA. carbonB. sulphurC. calciumD. phosphorus |
| Answer» Nuisance growth of aquatic plants and bloom the forming algae in natural water bodies is generally due to high concentration of dissolved organic Eichhornia (water hycinth) and certain blue- green algae. | |
| 13. |
(A) : The successful establishment of a species in a bare area is called invasion. (R) : Invasion completes in three successive stages: migration, ecesis and aggregation.A. If both (A) and (R) are true but (R) is not the correct explanation of (A).B. If both (A) and (R) are true and (R) is the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - B | |
| 14. |
Which of these is a pollution related occupational health hazard?A. SilicosisB. AsthmaC. FluorosisD. Pneumoconiosis |
| Answer» Correct Answer - C | |
| 15. |
Which one of the following organisms is likely to show the highest concentration of DDT, once it has been intro uced into the ecosystem?A. GrasshopperB. ToadC. SnakeD. Cattle |
| Answer» Correct Answer - C | |
| 16. |
At present, the concentration of `CO_(2)` in the atmosphere is about:A. 100 ppmB. 240 ppmC. 380 ppmD. 520 ppm |
| Answer» Correct Answer - C | |
| 17. |
Assertion (A) : Inhabitants close to very busy airports are likely to experience health hazards. Reason (R) : Sound level of jet aeroplanes usually exceeds 160 dB.A. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is falseD. If both assertion and reason are false. |
| Answer» Correct Answer - A | |
| 18. |
Match column I with column II and select the correct option from the given codes `{:(,"Column I",,"Column II"),("A.",underset("precipitator")("Electriostatic"),"(i)","Removes gases like "SO_(2)),("B.","Scrubber","(ii)","Reduces automobile emission"),("C.","Catalytic converter","(iii)","Removes oparticulate matter"):}`A. `{:(A,B,C),(3,2,1):}`B. `{:(A,B,C),(1,2,3):}`C. `{:(A,B,C),(3,1,2):}`D. `{:(A,B,C),(1,3,2):}` |
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Answer» Correct Answer - C Bacteria is a prodaryotic organism that can be degraded by living cells and DDT is a non-biodegradable pollutant and undergo biological magnification. |
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| 19. |
Which one has been genetically modified to help in bioremediationA. PseudomonasB. XanthomonasC. NitrosococcusD. Trichoderma |
| Answer» Correct Answer - A | |
| 20. |
Number of biogeographical regions of india isA. 8B. 10C. 16D. 18 |
| Answer» Correct Answer - B | |
| 21. |
Infant mortality is related to number of deaths per thousands in betweenA. Birth and 1 yearB. Birth and 3 yearsC. 2-5 yearsD. 3 - 6 years |
| Answer» Correct Answer - A | |
| 22. |
(A) : Decomposition is largely an oxygen requiring process. (R) : Decomposition rate is faster in detritus rich in lignin and chitin.A. If both (A) and (R) are true but (R) is not the correct explanation of (A).B. If both (A) and (R) are true and (R) is the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - C | |
| 23. |
Prolonged liberal irrigation of agricultural fields is likely to create the problem ofA. AcidityB. AridityC. SalinityD. Metal toxicity |
| Answer» Correct Answer - B | |
| 24. |
Prolonged liberal irrigation of agricultural fields is likely to create the problem ofA. AcidityB. AlkalinityC. SalinityD. Metal toxicity |
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Answer» Correct Answer - C Prolonged liberal irrigation of agricultural fields is likely to create problem of salinity. |
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| 25. |
Prolonged water logging in an agricultural fields is likely to create the problem ofA. Poor aeration and low salinityB. Poor aeration and high salinityC. Poor aeration and high acidityD. Metal toxicity and proper aeration |
| Answer» Correct Answer - B | |
| 26. |
In gobar gas, the maximum amouts is that of Or Biogas produced through anaerobic fermentation of organic material is primarilyA. butaneB. methaneC. propaneD. carbon dioxide |
| Answer» Correct Answer - B | |
| 27. |
Which of the Following conference obtained commitments from different countries for reducing overall greenhouse gas emission at a level 5% below 1990 level by 2008-2012?A. Kyoto Protocol, 1997B. Earth Summit, Rio-de-Janeiro, 1992C. Montreal Protocol, 1987D. Helsinki Declaration, 1989 |
| Answer» Correct Answer - A | |
| 28. |
Appropriate measures to reduce overall greenhouse gs emissions are the commitments of the :A. Kyoto protocolB. Montreal protocolC. Environment ActD. Earth summit. |
| Answer» Correct Answer - A | |
| 29. |
Thylakoids removed from chloroplasts were kept in illuminated culture having `CO_2` and water. It did not produce sugar because ofA. Abesence of enzymesB. Nonlinking of PS 1 and PS 2C. Absence of light trappingD. Nonfromation of linght assimilatory power |
| Answer» Correct Answer - A | |
| 30. |
Appropriate measures to reduce overall greenhouse gs emissions are the commitments of the :A. Earth SummitB. Environment actC. Kyoto protocolD. Montreal protocol |
| Answer» Correct Answer - C | |
| 31. |
In the textbook you came acroos Three Mile Island and Chernobyl disasters associated with accidental leakage of radioactive wastes. In India we had Bhopal gas tragedy. It is associated with which of the following ?A. ` CO_2`B. Methyl Iso-cyanateC. CFC’sD. Methyl Cyanate |
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Answer» Correct Answer - B Three Mile Island and Chernobyl disasters associated with accidental leakage of radioactive wastes. In India we had Bhopal gas tragedy. It is associated with Methyl Iso-Cyanate. |
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| 32. |
MIC and Chernobyl tragedies occurred at:A. Bhopal 1984, Ukraine 1990B. Bhopal 1984,Ukraine 1988C. Bhopal 1984, Ukraine 1986D. Bhopal 1986, Russia 1988 |
| Answer» Correct Answer - C | |
| 33. |
MIC and Chernobyl tragedies occurred at:A. Bhopal 1984, Ukrain 1986B. Bhopal 1986, Russia 1988C. Bhopal 1984, Ukrain 1990D. Bhopal 1984, Ukrain 1988 |
| Answer» Correct Answer - A | |
| 34. |
"Chernobyl" nuclear tragedy occurred on which date?A. 3rd December 1984B. 26th April 1986C. 6th August 1945D. 9th August 1945 |
| Answer» Correct Answer - B | |
| 35. |
MIC and Chernobyl tragedies occurred at:A. Bhopal 1986, Russia 1988B. Bhopal 1984, Ukraine 1986C. Bhopal 1984, Ukraine 1988D. Bhopal 1984, Ukraine 1990 |
| Answer» Correct Answer - B | |
| 36. |
The values of dissolved oxygen (DO) content in heavily polluted water is less thanA. `6.0 mg L^(-1)`B. `9.0 mg L^(-1)`C. `4.0 mg L^(-1)`D. `8.0 mg L^(-1)` |
| Answer» Correct Answer - C | |
| 37. |
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 | |
| 38. |
Acid rain occurs in areas whereA. large planation occursB. small plantation occursC. there are big industries and the atmosphere is polluted with `SO_(2)`D. there are no industries |
| Answer» Correct Answer - C | |
| 39. |
Premotor areas occurs isA. Frontal lobeB. Parietal lobeC. Occipital lobeD. Temporal lobe |
| Answer» Correct Answer - A | |
| 40. |
Acid rain occurs where atmosphere is heavily polluted withA. `CO,CO_(2)`B. smoke particlesC. `O_(3)`D. `SO_(2) and NO_(2)` |
| Answer» Correct Answer - D | |
| 41. |
Acid rain occurs above the areas where :A. There is excess release of `NH_(3)` and coal gasB. Factories are expelling `SO_(2)` into airC. There is excess production of `CO_(2)` due to excessive combustion and respirationD. There is excess production of gaseous hydrocarbons |
| Answer» Correct Answer - B | |
| 42. |
Which is incorrectA. Noise pollution does not have any residueB. Noise pollution creates nervous disorderC. Plants absorb noise of low frequencyD. Loss of hearing is common disorder. |
| Answer» Correct Answer - C | |
| 43. |
Pollution can be controlled byA. Sewage treatmentB. Checking atomic blastsC. Manufacturing electrically operated vehiclesD. All the above |
| Answer» Correct Answer - D | |
| 44. |
Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicle in Delhi?A. `SO_(2)`B. Hydrocarbon gasesC. Fly ashD. CO |
| Answer» Correct Answer - C | |
| 45. |
Non-ionising radiations damaging to DNA areA. X-raysB. U.V. raysC. Gamma raysD. Beta rays |
| Answer» Correct Answer - B | |
| 46. |
Ozone hole results in:A. UV radiation reaching the earthB. CataractC. increase in skin cancerD. all the above |
| Answer» Correct Answer - D | |
| 47. |
Ozone hole results in:A. UV radiations reaching earthB. Number of cataractsC. Skin cancersD. All the above |
| Answer» Correct Answer - D | |
| 48. |
The ozone hole over Antartica develops each year between:A. late April and early JuneB. late February and early AprilC. late August and early OctoberD. late October and early December |
| Answer» Correct Answer - C | |
| 49. |
Ozone hole results in:A. UV radairion reaches the EarthB. Increase in skin cancerC. CataractD. All of the above |
| Answer» Correct Answer - D | |
| 50. |
Ozone hole is maximum overA. EuropeB. AfricaC. IndiaD. Antarctica |
| Answer» Correct Answer - D | |