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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.
| 1851. |
Pollutant which causes acid rain isA. `SO_(2)`B. `CO_(2)`C. `CO`D. Hydrocarbons |
| Answer» Correct Answer - A | |
| 1852. |
Water blooms are formed byA. LemnaB. HydrillaC. water hyacinthD. planktonic algae |
| Answer» Correct Answer - C | |
| 1853. |
Fertilisers added to fresh water will causeA. Death of plantsB. Decreases in fish popultationC. Increases in aquatic animalsD. Eutrophication. |
| Answer» Correct Answer - D | |
| 1854. |
Ozone hole is maximum overA. EuropeB. AntracticaC. IndiaD. Africa |
| Answer» Correct Answer - B | |
| 1855. |
Identify the incorrectly matched pair.A. Chipko movement - Protection of treesB. Kyoto protocol - Climatic changeC. Montreal protocol - Forest conservationD. Ramsar convention - Conservation and sustainable utilisation of wetlands |
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Answer» Correct Answer - C Montreal Protocol, is an international treaty, signed at Montreal in 1987 to control the emission of ozone depleting substances. |
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| 1856. |
Consider the following statements a. 40% of the forest has been lost in tropics. b. JFM was introduced in 1965 by the UNCED c. Bishnoi community belongs to Odisha who played a major role in conservation of forest. d. Chipko movement started in Garhwal Himalayas.A. a & c are correctB. b & c are incorrectC. c is correctD. c & d are correct |
| Answer» Correct Answer - B | |
| 1857. |
In the coming years, skin related disorders will be more common due to :A. air pollutionB. use of detergentsC. water pollutionD. depletion of ozone layer |
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Answer» Correct Answer - D Ozone layer is found in the stratosphere of atmosphere. It absorbs harmful ultraviolet rays coming from the sun. In coming years, when the ozone layer may become thinner, ultra-violet radiations may reach earth directly to cause cancer, especially skin cancer. |
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| 1858. |
The excess discharged of fertilisers into water bodies results inA. siltB. death of hydrophytesC. eutrophicationD. growth of fish |
| Answer» Correct Answer - C | |
| 1859. |
Match column I with column II and select the correct option from the given codes. `{:("Column I","Column II"),("Bishnoi community", (i)"Rajasthan "),("Chipko movement", (ii) "Reduce the emission of ozone depleting substances"),("Montreal protocol",(iii)"Garhwal Himalyas"),("Kyoto protocol",(iv)"Reduce the emission of greenhouse gases"):}`A. A-(i), B-(iii), C-(ii), D-(iv)B. A-(i), B-(iii), C-(iv), D-(ii)C. A-(iii), B-(i), C-(ii), D-(iv)D. A-(iii), B-(i), C-(iv), D-(ii) |
| Answer» Correct Answer - A | |
| 1860. |
Indiscriminate use of fertilisers causesA. Air pollutionB. Water pollutionC. Land pollutionD. All of the above |
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Answer» Correct Answer - B Indiscriminate use of fertilisers causes water pollution. |
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| 1861. |
Water pollution is due toA. Agricultural dischargesB. Sewage and other wastesC. Industrial effluentsD. All of the above |
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Answer» Correct Answer - D Water pollution is due to agricultural discharges sewage, other wastes and industrial effluents. |
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| 1862. |
In the coming years, skin related disorders will be more common due to :A. Excessive use of detergentsB. water pollutionC. Air pollutionD. Depletion of ozone layer. |
| Answer» Correct Answer - D | |
| 1863. |
Match column I with column II and select the correct option from the given codes. `{:("Column I", "Column II"),("Mercury", (i)"Methaemoglobinemia"("or Blue baby syndrome")),("Nitrate", (ii) "Black foot disease"),("Arsenic", (iii)"Itai-itai disease"),("Cadmium",(iv)"Minamata disease"):}`A. A-(iv), B-(i), C-(ii), D-(iii)B. A-(iv), B-(i), C-(iii), D-(ii)C. A-(ii), B-(iii), C-(i), D-(iv)D. A-(ii), B-(iv), C-(i), D-(iii) |
| Answer» Correct Answer - A | |
| 1864. |
Global warming can be controlled by:A. Increasing deforestation, reducing efficiency of energy useB. Reducing deforestation, cutting down use of fossil fuelC. Reducing deforestation, increasing use of fossil fuelD. Increasing deforestation, slowing down the growth of human population . |
| Answer» Correct Answer - B | |
| 1865. |
Global warming can be controlled by:A. Reducing deforestation, cutting down use of fossil fuelB. Reducing reforestation, increasing the use of fossil fuelC. Increasing deforestation, slowing down the growth of human populationD. Increasing deforestation, reducing efficiency of energy usage |
| Answer» Correct Answer - A | |
| 1866. |
Phosphate pollution is caused byA. Weatheringof phosphate rocks onlyB. Agricultural fertilizersC. phosphates rocks and sewageD. sewage and agricultural fertilizers. |
| Answer» Correct Answer - D | |
| 1867. |
Phosphate pollution is caused byA. Weathering of phosphate rocks onlyB. Agricultural fertilizersC. Phosphate rocks and sewageD. Sewage and agricultural fertilizers |
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Answer» Correct Answer - D Phosphate pollution is caused by sewage and agricultural fertilizers. |
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| 1868. |
Phosphate pollution is brought about byA. phosphate rocksB. automobile exhaustsC. sewage and phosphate rocksD. sewage and agricultural fertilisers. |
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Answer» Correct Answer - D The sources of phosphate pollution are sewage treatment plants, phosphate fertilisers used in agricultural fields, etc. |
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| 1869. |
Global warming can be controlled by:A. Increasing deforestation , slowing down the growth of human populationB. Incerasing deforestation , reducing efficiency of energy usuage.C. Reducing deforestation , cutting down use of fossil fuel .D. Reducing reforestation, increasing the use of fossil fuel |
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Answer» Correct Answer - C Correct option is (C)Reducing deforestation , cutting down use of fossil fuel |
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| 1870. |
Phosphate pollution is caused byA. phosphate rocksB. agriculturl fertilizersC. sewage and automobliesD. sewage and agricultural fertilizers |
| Answer» Correct Answer - D | |
| 1871. |
The Air Prevention and Control of Pollution Act came into force inA. 1981B. 1985C. 1990D. 1975 |
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Answer» Correct Answer - A The Air (Prevention and Control of Pollution) Act, came into force in 1981. The act is meant for preserving quality of air, controlling air pollution and preventing detrimental effects of air pollutants on human health and health of other biological entities. |
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| 1872. |
High amount of esherichita coli in water is an indicator ofA. Hardness of waterB. Industrial pollutionC. Sewage pollutionD. Presence of chlorine in water |
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Answer» Correct Answer - C High amount of Esherichia coil in water is indicator of sewage pollution. |
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| 1873. |
High amount of esherichita coli in water is an indicator ofA. hardness of waterB. industrial polluationC. sewage pollutionD. presence of chlorine in water |
| Answer» Correct Answer - C | |
| 1874. |
High amount of esherichita coli in water is an indicator ofA. hardness of waterB. industrial pollutionC. sewage pollutionD. pollution due to electromagnetic radiations |
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Answer» Correct Answer - C High amount of Escherichia coli in water indicates sewage pollution. E. coli bacteria are good indictor of faecal contamination because they generally live longer than pathogens, are found in greater number. |
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| 1875. |
Xenobiotics can be categorised into which of the following category of pollutants?A. Multiple pollutantsB. Biological pollutantC. Acid pollutantD. None of these |
| Answer» Correct Answer - A | |
| 1876. |
All wastes that we generate can be categorised intoA. Two typesB. Three typesC. Four typesD. Five types |
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Answer» Correct Answer - D All wastes that we generates can be categorised into three types: I. Biodegradable, II. Non- biodegradable, III. Recyclable |
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| 1877. |
Tipping is a technique ofA. sewage disposalB. waste disposalC. smoke treatementD. effluent |
| Answer» Correct Answer - B | |
| 1878. |
The type of hazardous wastes generated by hospitals includesA. DisinfectantsB. Harmful chemicalsC. Pathogenic micro-organismsD. All of the above |
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Answer» Correct Answer - D The type of hazardous wastes generated by hospitals includes disinfectants, harmful chemicals and pathogenic micro-organisms. |
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| 1879. |
Of the total incident solar radiation the proportion of PAR is:A. More than 80%B. About 70%C. About 60%D. Less than 50% |
| Answer» Correct Answer - D | |
| 1880. |
Which of the following would most likely help to snow down the greenhouse effect?A. Converting tropical forests into grazing land for cattle.B. Ensuring that all excess paper packaging is burned to ashes.C. Redesigning landfill dumps to allow methane to be collected.D. Promoting the use of private rather than public transport |
| Answer» Correct Answer - C | |
| 1881. |
Which of the following would most likely help to snow down the greenhouse effect?A. Promoting the use of private rather than public transportB. Redesigning land fill dumps to allow methan to be collectedC. Ensuring that all excess dumps to allow methane to be collectedD. Converting tropical forests into grazing land for cattle . |
| Answer» Correct Answer - B | |
| 1882. |
Identify the wrong statements with reference to UV raysA. UV-A is more harmful to animals than UV-BB. UV radiations falls in the range between 100 -300 nm wavelengthC. UV radiations is classified into three categoriesD. UV radiations kills microorganisms. |
| Answer» Correct Answer - A | |
| 1883. |
Identify the wrong statements with reference to UV raysA. UV radiation is classified into 3 categoriesB. UV radiation kills microorganismsC. UV-A is more harmful to animals than UV-BD. UV radiation falls in the range between 100 mm-380 nm (wavelength) |
| Answer» Correct Answer - D | |
| 1884. |
Examples of secondary air pollutants is/are:A. Automobile exhaustsB. chimneys smogC. photochemicals smogD. Classical smog |
| Answer» Correct Answer - C | |
| 1885. |
Smog that occurs mainly due to automobile exhausts and still air isA. Photochemicals smogB. Classical smogC. london smogD. Both B and C |
| Answer» Correct Answer - A | |
| 1886. |
Diffuse porous woods are characterstic of plants growing inA. Alpine regionB. Cold winter regionsC. Temperate regionsD. Tropical regions |
| Answer» Correct Answer - D | |
| 1887. |
Mention any two example of plants used as wind breakers in the agricultural fields. |
| Answer» Wind breakers or shelter belts provide shelter from wind and protect soil from erosion. Jamun and imli and some other trees like babul, Lawsoni, Thevetia and Calotropis acts as wind breakers in the agricultural field. | |
| 1888. |
What is an algal bloom ? |
| Answer» The extensive growth of planktonic (free- floating) algae in water bodies due to the presence of organic matter in water (cnitrogen and phosphres) that acts as a food source is called an algal bloom. This imparts a distinct colour to the water boides. | |
| 1889. |
Main cause of eutrophication is:A. Fluctuation of temperatureB. Unsual growth of aquatic vegetationC. Enrichment of nutrientsD. Abundance of microorganisms |
| Answer» Correct Answer - C | |
| 1890. |
Name an industry which can cause both air and thermal pollution and as well as eutrophication. |
| Answer» Correct Answer - Fertilizer factory | |
| 1891. |
Main cause of eutrophication is:A. enrichment of nutrientsB. fluctuation of temperatureC. abundance or microorganismsD. unusual growth of aquatic vegeation |
| Answer» Correct Answer - A | |
| 1892. |
A scrubber in the exhaust of a chemical industrial plant removes:A. Gases like sulphur dioxideB. Particulate matter of the size 5 micrometer or aboveC. Gases like ozone and methaneD. Particulate matter of the size 2.5 micrometer or less |
| Answer» Correct Answer - D | |
| 1893. |
Which of the following statements does not apply to eutrophication?A. It is the natural ageing of a lake by nutrient enrichment of its waterB. In a young lake, the water is cold and clear and supports less lifeC. The nutrients such as sulphur and phosphorus encourage the growth of aquatic organisms in the lakeD. Pollutants released by man radically accelerate the ageing process of a lake |
| Answer» Correct Answer - D | |
| 1894. |
Which of the following statements does not apply to eutrophication?A. It is natural ageing of lake by nutrient enrichment of its waterB. In a young lake the water is cold and clear and supports less lifeC. The nutrients such as sulphur and phosphorous encourage the growth of aquatic organisms in the lakeD. Pollutants released by man radically accelerated the ageing process of a lake |
| Answer» Correct Answer - B | |
| 1895. |
A scrubber in the exhaust of a chemical industrial plant removes:A. Particulate matter of the size of 5.0 micrometer or aboveB. Gases like ozone and methaneC. Particulate matter of the size of 2.5 micrometer or lessD. Gases like sulphur dioxide. |
| Answer» Correct Answer - D | |
| 1896. |
The table shows the oxygen level, numbers of green plants and of fish in rivers flowing through four towns. Wich town is most likely to be discharging untreated sewage? `{:("Oxygen level","Green plants","Fish"),("(a) high","few","many"),("(b) high","many","many"),("(c) low","few","few"),("(d) low","many","few"):}` |
| Answer» Correct Answer - C | |
| 1897. |
Assertion: Water-logged soil is physiologically dry Reason : Water dislodges air from the soil so that roots cannot breatheA. If both A and R are true and R is the correct explanation of A.B. If both A and R are true but R is not 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 - A | |
| 1898. |
Consider the following statements I. Decrease in hearing sensitivity. II. Increase in hearing sensitivity. III. Change in heart rate and constriction of blood vessels. IV. Change in heart rate but not the constriction of blood vessels. Which of these are correct regarding the effects of noise pollution?A. II and IVB. II and IIIC. I and IIID. I and II |
| Answer» Correct Answer - C | |
| 1899. |
(A) : Dormancy in animals through a dry season is called hibernation. (R) It is exhibited by worm blooded animals such as birds and mammals.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 - D | |
| 1900. |
$ Pollination with the help of a pollen tube is called porogamy. ! Pollination occurs before meiosis of pollen mother cells.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 | |