InterviewSolution
Saved Bookmarks
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.
| 1501. |
Dobson unit is used in measurement of__________level.A. OzoneB. Nitrous oxideC. UV radiationD. Chlorofluorocarbons |
| Answer» Correct Answer - A | |
| 1502. |
One of the following is not a possible reason for use of CNG in automobiles:A. It reduces pollution.B. It can be adulterated.C. It is cheaper than petrolD. It burns more efficiently |
| Answer» Correct Answer - B | |
| 1503. |
Who discovered the super bugs ?A. RobertB. Dilip SahC. H.G. KhoranaD. Anand Mohan Chakravarty |
| Answer» Correct Answer - D | |
| 1504. |
Major aerosol pollutant present in jet plane emission is :A. sulphur dioxideB. carbon tetrachlorideC. carbon monoxideD. fluorocarbon |
| Answer» Correct Answer - D | |
| 1505. |
The process of nutrients enrichment of water and subsequent loss of species diversity is reffered to as :A. BioconcentrationB. BiomagnificationC. EutrophicationD. Nitrification |
|
Answer» Correct Answer - C The process of nutrient enrichment of water, and subsequent loss of species diversity is referred to as eutrophication. |
|
| 1506. |
In microbial genetics which one is reffered to as 'Griffith effect'?A. DNA TranscriptionB. RNA translationC. Bacterial transformationD. Bacterial transduction |
| Answer» Correct Answer - C | |
| 1507. |
Is it true that if the dissolved oxygen level drops to zero, the water will become septic. Given an example which could lower the dissolved oxygen content of an aquatic body. |
| Answer» Yes , it is true in case of zero level of dissolved oxygen (DO), the water becomes septic. Organic pollution like fertillser in aquatic bodies is responsibel for lowering (upto zero) the level of dissolved oxygen. | |
| 1508. |
$ Inharitance of flower colour in mirabilis jalapa is type of polygenic inheritance. ! Polysomes are a type of chromosomes.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 | |
| 1509. |
In Bhopal Gas Tragedy how many people were killed?A. 1000B. 2500C. 2000D. 3000 |
| Answer» Correct Answer - B | |
| 1510. |
The zone of atmosphere in which the ozone layer is present is called:A. troposphereB. stratosphereC. mesosphereD. thermosphere |
| Answer» Correct Answer - B | |
| 1511. |
The zone of atmosphere in which the ozone layer is present is called:A. ionosphereB. mesophereC. stratosphereD. troposphere |
| Answer» Correct Answer - C | |
| 1512. |
The zone of atmosphere that lies near the ground is:A. TroposphereB. StratosphereC. MesosphereD. Homosphere |
|
Answer» Correct Answer - A Zone of atmosphere near the ground is troposphere. |
|
| 1513. |
Name one (1) Iinexhaustible resource, (2) Renewable exhaustible resource (3) Non-renewable exhaustible resourceA. CoalB. PetroleumC. MineralsD. Forest |
| Answer» Correct Answer - D | |
| 1514. |
Arrange the following options in ascending order of their BOD value: 1. Sample of highly polluted pond water. 2. Sample from unpolluted pond water. 3. Distilled water.A. b-c-aB. c-b-aC. c-a-bD. a-c-b |
| Answer» Correct Answer - B | |
| 1515. |
The diagram shows changes in the concentrations of two substances X and Y in the sewage river polluted. What are the substances X and Y? `{:(" X",," Y"),("(a) Carbon dioxide",-,"Oxygen"),("(b) Oxygen",-,"Nitrogen compound"),("(c) Carbon dioxide",-,"Nitoregn compound"),("(d) Nitrogen compound",-,"Carbon dioxide"):}` |
| Answer» Correct Answer - B | |
| 1516. |
A lake has been polluted by sewage. Compared with unpolluted water, the water in this lake will haveA. fewer bacteriaB. more fishC. more nitrogen compoundsD. more oxygen |
| Answer» Correct Answer - C | |
| 1517. |
In a polluted lake, the index of pollution is:A. frogB. artemiaC. DaphniaD. None of these |
| Answer» Correct Answer - C | |
| 1518. |
The index of pollution in a polluted lake isA. DaphniaB. BODC. stonefliesD. All of these |
| Answer» Correct Answer - A | |
| 1519. |
Given pie-diagram represents the relative contribution of various greenhouse gases to total global warming. Identify the gases P, Q, R and S. A. `{:(P,Q,R,S),(N_(2)O,CFCs,CO_(2),"Methane"):}`B. `{:(P,Q,R,S),(N_(2)O,"Methane",CFCs,CO_(2)):}`C. `{:(P,Q,R,S),(CO_(2),N_(2)O,CFCs,"Methane"):}`D. `{:(P,Q,R,S),(CO_(2),CFCs,N_(2)O,"Methane"):}` |
| Answer» Correct Answer - C | |
| 1520. |
Given pie-diagram represents the relative contribution of various greenhouse gases to total global warming. Identify the gases P, Q, R and S. A. `{:(A,B,C,D),(N_(2)O,CO_(2),"Methane",CFCs):}`B. `{:(A,B,C,D),(CO_(2),"Methane",CFCs,N_(2)O):}`C. `{:(A,B,C,D),("Methane",CO_(2),CFCs,N_(2)O):}`D. `{:(A,B,C,D),(CO_(2),"Methane",N_(2)O,CFCs):}` |
| Answer» Correct Answer - B | |
| 1521. |
Which gas of the atmosphere holds up ultraviolet raysA. `O_(2)`B. `O_(3)`C. `N_(2)`D. `CO_(2)` |
| Answer» Correct Answer - B | |
| 1522. |
$ Gravitational water is that which reaches the water table of the earth. ! Movements under the effect of gravity are called geotropic movements.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 | |
| 1523. |
Red pulp of spleen is red in colour. It is due toA. Presence of RBS(s)B. Network of blood capillariesC. Presence of haemoglobinD. All of above |
| Answer» Correct Answer - A | |
| 1524. |
Which one of the following is being utilized as a source of biodiesel in the Indian countryside Or An example of Petrocrop isA. beetroatB. sugarcaneC. PongamiaD. Euphorbia |
| Answer» Correct Answer - D | |
| 1525. |
Afforestation is :A. Restoring a forestB. Plantation in barren landC. Cultivation of under agricultureD. Jhum cultivation |
| Answer» Correct Answer - B | |
| 1526. |
Afforestation with purpose of enviornmental, aesthetic and economic development is known asA. integrated afforestationB. social forestryC. agroforestryD. production plantation |
| Answer» Correct Answer - A | |
| 1527. |
The pollutants from man’s activities like effluents from the industries and homes can radically accelerate the aging process. This phenomenon has been calledA. Cultural EutrophicationB. Natural EutrophicationC. Accelerated EutrophicationD. Both A and C |
|
Answer» Correct Answer - D The pollutants from man’s activities like effluents from the industries and homes can radically accelera te the ageing process, This phenomenon has been called cultural or accelerated eutrophication. |
|
| 1528. |
High concentration of greenhouse gases has resulted in maximum rise of atmospheric temperature inA. tropic regionB. middle latitudeC. polar regionD. temperate region. |
|
Answer» Correct Answer - C Increases in the level of greenhouse gases has led to considerable heating of earth leading to global warming. During the past century, the temperature of earth has increased by `0.6 ^(@)C`, most of it during the last three decades. Rise in temperature is slight in tropics, moderate in middle latitudes and maximum in polar regions. It will led to melting of polar ice caps as well as of other places like the Himalayan snow caps. |
|
| 1529. |
Mineral cycles are not balanced. |
| Answer» Correct Answer - T | |
| 1530. |
Which of the following is a green house gasA. MethaneB. COC. water vapourD. Oxygen |
| Answer» Correct Answer - A | |
| 1531. |
Coal mining has been known, sinceA. 1750 ADB. 675 ADC. Roman timesD. Mediaeval times. |
| Answer» Correct Answer - C | |
| 1532. |
Petroleum import costs IndiaA. Rs 3100 croresB. Rs 2100 croresC. Rs 1100 croresD. Rs 500 crores |
| Answer» Correct Answer - A | |
| 1533. |
Mineral oil isA. Mustard oilB. PetroleumC. Liquiefied petroleum gasD. Palm oil |
| Answer» Correct Answer - B | |
| 1534. |
If global warming continues, the organism which may face more severe threat is:A. BananaB. DolphinC. CowD. Snow Leopard |
| Answer» Correct Answer - D | |
| 1535. |
Number of ozone depleters identified by Viena convention for Protection of Ozone Layer (1992) isA. 19B. 17C. 15D. 13 |
| Answer» Correct Answer - A | |
| 1536. |
The earliest use of petroleum was inA. HeatingB. FurnaceC. MedicineD. Production of gas |
| Answer» Correct Answer - C | |
| 1537. |
Number of ozone depleters identified by Montreal Protocol (1987) wasA. 72B. 18C. 96D. 40 |
| Answer» Correct Answer - C | |
| 1538. |
Petrol is known as gasoline inA. U.S.AB. U.KC. Parts of IndiaD. All the above |
| Answer» Correct Answer - A | |
| 1539. |
Which of the following strategy is not a correct approach to reduce global warming ?A. Cutting down use of fossil fuelB. Reducing deforestationC. Improving efficiency of energy useD. Cutting trees and increasing growth of human population |
| Answer» Correct Answer - C | |
| 1540. |
Which of the following strategies is not a correct approach to reduce the global warming?A. Cutting down use of fossil fuel.B. Reducing deforestationC. Improving efficiency of energy usageD. Cutting trees and increasing growth of human population. |
| Answer» Correct Answer - D | |
| 1541. |
Which of the following strategy is not a correct approach to reduce global warming ?A. Reducing the greenhouse gas emission limiting the use of fossil fuelsB. Increase the vegetation cover particularly the forest for photosynthetic utilization of `CO_(2)`C. Minimizing the use of nitrogen fertilizers in agriculture for reducing `N_(2)O` emissionD. Increasing the use of air conditioners, refrigeration units and production of plastic foams and propellants in aerosol spray cans |
| Answer» Correct Answer - D | |
| 1542. |
Waldsterben is an effect ofA. OzoneB. Nitrogen oxide and sulphur oxideC. Acid rainD. All the above |
| Answer» Correct Answer - D | |
| 1543. |
Gasohol was first used inA. 1970 sB. 1980SC. 1940 SD. 1800s |
| Answer» Correct Answer - C | |
| 1544. |
Traffic policeman in TokyoA. Wears gas maskB. required daily oxygen treatmentC. Suffers from black lung diseaseD. all the above |
| Answer» Correct Answer - B | |
| 1545. |
Which of the following strategies is not a correct approach to reduce the global warming?A. Reduce deforestationB. Cutting down use of fossil fuelC. Improving efficiency of energy usageD. Cutting trees and increasing the growth of human population |
| Answer» Correct Answer - D | |
| 1546. |
Waldsterben isA. Decline forestsB. Development of fogC. Harm to sculptures,statues and buildingsD. All of the above |
| Answer» Correct Answer - A | |
| 1547. |
Knocking in a fuel isA. Tendency to spilB. Explosion of unburnt fuel-air mixtureC. Late burning of fuelD. Difficult ignition of fuel in combustion Chamber. |
| Answer» Correct Answer - B | |
| 1548. |
Consider the following statements with respect to pollution. A. To control air pollution problems, by the end of 2002 all the buses of Delhi were converted to run on unrelated petrol B. Electrostatic precipitator can remove over 99% particulated matter present in the exhaust from a thermal power plant. C. It is possible to estimate the amount of organic matterin sewage water by measuring BOD. Of the above statements:A. A alone is correctB. B alone is correctC. C alone is correctD. B and C are correct |
| Answer» Correct Answer - D | |
| 1549. |
Consider the following statements with respect to pollution. A. To control air pollution problems, by the end of 2002 all the buses of Delhi were converted to run on unrelated petrol B. Electrostatic precipitator can remove over 99% particulated matter present in the exhaust from a thermal power plant. C. It is possible to estimate the amount of organic matterin sewage water by measuring BOD. Of the above statements:A. b and c correctB. a alone correctC. b alone correctD. c alone correct |
| Answer» Correct Answer - A | |
| 1550. |
Antiknocking agent added to petrol is commonlyA. Tetramethyl or tetraethyl leadB. DibromoethaneC. Both B and AD. Octanes |
| Answer» Correct Answer - C | |