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.
| 1401. |
Common indicator organism of water pollution isA. Escherichia coliB. Chloera vibrioC. Salmonella typhiD. Entamonella histolytica. |
| Answer» Correct Answer - A | |
| 1402. |
Photochemical smog brings aboutA. defoliationB. bleaching and blazing of foliageC. floral bud sheddingD. discolouration and curling of petals |
| Answer» Correct Answer - B | |
| 1403. |
Photochemical smog was first observed inA. Los AngelesB. TokyoC. New YorkD. Sydney |
| Answer» Correct Answer - A | |
| 1404. |
Acid rain is due toA. Water pollutionB. Air pollutionC. Automobile pollutionD. Pesticide pollution |
| Answer» Correct Answer - B | |
| 1405. |
Cyclone collectors and electrostatic precipitators are meant for controllingA. Sewage pollutionB. Air polutionC. Pesticide pollutionD. Natural pollution |
| Answer» Correct Answer - B | |
| 1406. |
Photochemical smog was first observed inA. Los angelessB. TokyoC. New yorkD. Sydney |
| Answer» Correct Answer - A | |
| 1407. |
…..pollution may damage ears. |
| Answer» Correct Answer - Noise | |
| 1408. |
Sound of what intensity is harmful for ears? |
| Answer» Correct Answer - Over 75 dB | |
| 1409. |
The threshold of pain to human ears isA. 50-60 dBB. 30-40 dBC. 120-140 dBD. 160-180 dB |
| Answer» Correct Answer - C | |
| 1410. |
Biomagnification is caused due to theA. ` SO_2`B. NOC. `O_3` and COD. Pesticides and Hg. |
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Answer» Correct Answer - D Biomagnification is caused due to the pesticides (like DDT) and Hg. |
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| 1411. |
Kyoto Protocol was endorsed at:A. Cop-6B. Cop-4C. Cop- 3D. Cop-5 |
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Answer» Correct Answer - C Kyoto protocol was endorsed at Cop-3. |
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| 1412. |
The Air Prevention and Control of Pollution Act came into force inA. 1985B. 1990C. 1975D. 1981 |
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Answer» Correct Answer - D The Air Prevention and Control of Pollution Act came into force in 1981. |
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| 1413. |
The second commitment period for kyoto protocol was decided atA. BaliB. DohaC. CancumD. Durban |
| Answer» Correct Answer - D | |
| 1414. |
The second commitment period for kyoto protocol was decided atA. DurbanB. BaliC. DohaD. Cancun |
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Answer» Correct Answer - C The second commitment period for Kyoto Protocol was decided at Doha. |
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| 1415. |
Jhoom cultivation refers toA. cultivation of Juman treesB. cultivation of medical plants by tribesC. tribal methods of shifting cultivationD. cultivation of terraces |
| Answer» Correct Answer - C | |
| 1416. |
Which of the following statements is not correct regarding jhum cultivation ?A. It is also called as shifting cultivation and has resulted in deforestation.B. It helps in increasing crop yield to a considerable extent.C. A time-grap of several years is required for the recovery of the land after cultivation.D. It involves cutting down of trees of the forest, burning of the plant remains and then using the land for farming. |
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Answer» Correct Answer - B In Jhum cultivation, crops are cultivated fro 2-3 years without manuring. It nutrient depletion, reduced mositure retentions of soil and increased soil erosion. |
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| 1417. |
How does Jhum cultivation promote deforestation? |
| Answer» In Jhum cultivation, the farmers cut down the trees of the forest and burn the plant remains, for ash which is used as fertilizer. | |
| 1418. |
Jhum cultivation is prevalent inA. North-eastern states of IndiaB. South-eastern states of IndiaC. North-western states of IndiaD. South-western states of India |
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Answer» Correct Answer - A Jhum cultivation is prevalent in north-eastern states of India. |
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| 1419. |
Slash and burn agiculture is the other name of :A. Organic farmingB. Step formingC. Crop rotationD. Jhum cultivation |
| Answer» Correct Answer - D | |
| 1420. |
Assertion Acid rain disrupts ecological balance. Reason Acid rain affects flora and fauna.A. Both Assertion and Reason are true, but Reason is the correct explanation of AssertionB. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true |
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Answer» Correct Answer - A Acid rain disrupts ecological balance, because it increases soil acidity, thus affecting the land flora (plants) and fauna (animals). It also causes acidification of lakes and streams thus, affecting aquatic, crop productivity and finally, human health. Acidification kills many bacteria and blue-green algae (microorganisms) also. |
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| 1421. |
Assertion Fluoride is not necessary for human health. Reason Knock-knee disease is due to excess consumption of fluoride.A. Both Assertion and Reason are true, but Reason is the correct explanation of AssertionB. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true |
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Answer» Correct Answer - D Fluoride is necessary for the proper growth of human teeth. But excess consumption of fluoride causes knock-knee disease, in which pain in bones and joints and outward bending of legs from the knees takes place. |
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| 1422. |
Aleurone layer takes part inA. Protection of delicate embryoB. Enzyme synthesisC. Transfer of food to cotyledonsD. Transfer of food from cotyledous to embryo tips |
| Answer» Correct Answer - B | |
| 1423. |
a plant bearing solitary flowers isA. Brassica campesterisB. Helianthus annuusC. Hibiscus rosa-sinesisD. Salvia officinalis |
| Answer» Correct Answer - C | |
| 1424. |
Histones areA. Basic proteinsB. Acidic proteinsC. Neutral proteinsD. Glycoproteins |
| Answer» Correct Answer - A | |
| 1425. |
The conditon of stamens being adnate to topals isA. EpisepalousB. EpipetalousC. EpipyllousD. Synantherous |
| Answer» Correct Answer - C | |
| 1426. |
A fruit without seed is not possible in case ofA. GrapeB. OrangeC. PomegranateD. Berry |
| Answer» Correct Answer - C | |
| 1427. |
Anthophore is an internode betweenA. Two oppsite leaves in spiral phyllotaxyB. Calyx and corollaC. Corolla and androeciumD. Anderoecium and gynantherous |
| Answer» Correct Answer - B | |
| 1428. |
Pneumatic bones, four chambered heart and feathers occur inA. CyclostmataB. AvesC. MammiliaD. Reptilia |
| Answer» Correct Answer - B | |
| 1429. |
The stomach of Camel isA. Five chamberedB. Four chamberedC. Three chamberedD. Two chambered |
| Answer» Correct Answer - C | |
| 1430. |
Temporary moving from the the stressful habitat to a more hospitable area a nd return when stressful period is over is known as migration. |
| Answer» Correct Answer - T | |
| 1431. |
Earth is protected from ultra-violet radiations by means ofA. Ozone layerB. nitrogenC. oxygenD. carbon dioxides |
| Answer» Correct Answer - A | |
| 1432. |
Global warming will causesA. Rise in level of oceansB. Decreases in glaciersC. reduction in ice capsD. all the above |
| Answer» Correct Answer - D | |
| 1433. |
Ozone layer occurs inA. IonosphereB. StratosphereC. OxygenD. carbon dioxides |
| Answer» Correct Answer - B | |
| 1434. |
Chromosomes found in the salivary glands of Drosophila areA. PolyteneB. SupernumeraryC. LampbrushD. B -chromosome |
| Answer» Correct Answer - A | |
| 1435. |
Competition results inA. ExtinctionB. Creation of nichesC. SymbiosisD. Mutation |
| Answer» Correct Answer - A | |
| 1436. |
In Maize grain, plumule is covered by protective sheath calledA. CoeorhizaB. ColeoptileC. TegmenD. Scutellum |
| Answer» Correct Answer - B | |
| 1437. |
Seed leaf isA. Leaf present over the plumuleB. CothledonC. ColeoptileD. Mesocotyl |
| Answer» Correct Answer - B | |
| 1438. |
Mention two advantages for preferring CNG over diesel as an automobile fuel. |
| Answer» (i) CNG burns most efficiently, and veryl little of it is left unburnt, (ii) It is cheaper than diesel. | |
| 1439. |
Ozone hole causeA. Global warmingB. Reduction in the rate of photosynthesisC. More ultraviolet rays come to earthD. All of the above |
| Answer» Correct Answer - d | |
| 1440. |
Third generation pesticides areA. PheromonesB. Juvenile hormone analoguesC. Insect repellentsD. Pathogens |
| Answer» Correct Answer - D | |
| 1441. |
e-wastes refers to radioactive waste. |
| Answer» Correct Answer - F | |
| 1442. |
Discuss briefly the following: (i) Radioactive wastes (ii) Defunct ships and e-wastes (c) Municipal solid wastes. |
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Answer» Defunct ships also contribute to solid wastes. Such ships are broken for scrap metal in developing countries like India. These defunct ships are the source of toxicants like esbestos, polychlorinated biphenyls, tributyl tin, lead, mercury etc. The workers get expand to three chemicals and coastal area in the vicinity of ship-breaking yard gets polluted. Computers and other electronic goods are irresponsible. These are known as electronic wastes or e-wastes. Such wastes can only be burried in land fills or incinerated. Developed countries where metals like copper, iron, silicon, nickel and gold are recovered from e-wastes recycling process. In the process, workers get exposed to these harmful toxic substances. |
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| 1443. |
Earth is an open system regarding matter. |
| Answer» Correct Answer - F | |
| 1444. |
Both species lose in competition. |
| Answer» Correct Answer - T | |
| 1445. |
The most outstanding danger at present for survival of living beings on Earth is:A. glaciationB. deforestationC. radiation hazardsD. desertification |
| Answer» Correct Answer - C | |
| 1446. |
Which step is required for better survival of human beingsA. Reduction in the use of various resourcesB. AfforestationC. Conservation of wildlifeD. Ban on mining activity |
| Answer» Correct Answer - A | |
| 1447. |
Biochemical oxygen demand measures:A. air pollutionB. industrial pollutionC. pollution capacity of effluentsD. dissolved oxygen needed by microbes to decompost wastes |
| Answer» Correct Answer - D | |
| 1448. |
Which of the following are the indicators of pollution ?A. LichenB. FungiC. AlgaeD. None of these |
| Answer» Correct Answer - A | |
| 1449. |
Which of the following are the indicators of pollution?A. lichenB. fungiC. algaeD. none of these |
| Answer» Correct Answer - A | |
| 1450. |
Which one of the following is considered as industrial pollution indicators ?A. ChameleonB. LichensC. Bengal TigerD. Biston betularia |
| Answer» Correct Answer - B | |