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.
| 901. |
A disease caused by eating fish contaminated by industrial waste, containing mercury compounds, is called asA. Minamata diseaseB. Bright’s diseaseC. Hashimoto’s diseaseD. Osteosclerosis |
|
Answer» Correct Answer - A Disease caused by eating fish found in water contaminated with industrial waste having mercury is minamata disease. |
|
| 902. |
Black-foot disease is caused by ground water contaminated with:A. arsenicB. mercuryC. fluorineD. cadmium |
| Answer» Correct Answer - A | |
| 903. |
Black-foot disease is caused by ground water contaminated with:A. NitrateB. FluorideC. ArsenicD. Sulphur |
| Answer» Correct Answer - C | |
| 904. |
Name one device for controlling air pollution. |
| Answer» Correct Answer - Cyclonic seprators | |
| 905. |
`NO_(x)` contributes to all, exceptA. Secondary pollutant formationB. Acid rainsC. PheophytizationD. Photochemical smog |
| Answer» Correct Answer - C | |
| 906. |
Which of the following device can control air pollution ?A. ScrubbersB. Effluent treatmentC. Electrostatic precipitatorD. Both (1) & (3) |
| Answer» Correct Answer - D | |
| 907. |
Minimata disease first occurred inA. JapanB. RussiaC. ChinaD. Korea. |
| Answer» Correct Answer - A | |
| 908. |
Minimata disease is pollution related disease. It results fromA. oil spills in seaB. DDT pollutionC. release of industrial waste containing mercury in fishing waterD. accumulation of arsenic |
| Answer» Correct Answer - C | |
| 909. |
Which greenhouse gas contributes 20% of global warmingA. MethaneB. `N_(2)O`C. CFCsD. `CO_(2)` |
| Answer» Correct Answer - A | |
| 910. |
An electrostatic precipitator in a thermal power plant is not able to generate high voltage of several thousands. Write the ecological implication because of it . |
| Answer» It is not able to remove particales of `2*5 mu m` and the same will go to air and result in serious respiratory disorders. | |
| 911. |
What is acid rain? What are its effects on plants? |
| Answer» Acid rain refers to precipitation with a pH of less than 5. It is, in fact a mixture of sulphuric acid and nitric acid. | |
| 912. |
What is meant by environment pollution? |
| Answer» Environmental pollution may be defined as an undesirable change in the physical, or biological aspects of environment which makes it harmful for humans, for other living organisms, and for cultural assests. | |
| 913. |
What for the following abbreviation stand? CFC, PCB, HC, PAN, BOD, dB, ppm. |
| Answer» CFC-Chlorofluorocarbon, PCB-Polychlorinated biphenyl, HC-Hydrocarbon, PAN-Peroxyacyl nitrate, BOD - Biological Oxygen Demand, dB -Decibel, ppm - parts per million | |
| 914. |
How did pollution of environment start? |
| Answer» With increase in human population and industrialisation, the waste materials multiplied in amount as well as in kind, and these polluted the environment | |
| 915. |
What is synergism? |
| Answer» Increased toxicity of secondary pollutants formed by intersection among the primary pollutants is called synergism. | |
| 916. |
Differentiate between contamination and pollution. |
| Answer» Contamination is the presence of pathgenic microorganisms in food, water and milk. Pollution is the presence of undesirable materials in the environment (water, air and land). | |
| 917. |
Which of the following damages chloroplasts and reduces photosynthetic efficiency ?A. Peroxyacetyl nitrateB. Carbon monoxideC. Carbon dioxideD. SPM |
| Answer» Correct Answer - A | |
| 918. |
$ Positive diffusion occurs against the concentration gradients. ! Osmosis does not require a semi-permeable membrane.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 | |
| 919. |
$ Exosmosis causes turgidity. ! Endomosis causes flaccidity.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 | |
| 920. |
Urea derivative triazines are used asA. InsecticidesB. HerbicidesC. NematocidesD. Rodenticides |
| Answer» Correct Answer - B | |
| 921. |
Haemophilus discryei causesA. ChancreB. GonorrhoeaC. Chancroid qD. Syphillis |
| Answer» Correct Answer - C | |
| 922. |
Ecological hotspots present in India areA. OneB. TwoC. ThreeD. Four |
| Answer» Correct Answer - B | |
| 923. |
Infant motality rate is minimum inA. U.S.A.B. U.K.C. SwedenD. Japan |
| Answer» Correct Answer - D | |
| 924. |
Daphnia isA. ClamB. Water FleaC. AnnelidD. Sponge |
| Answer» Correct Answer - B | |
| 925. |
Formation of notochord isA. NeurulationB. NotogenesisC. MorulationD. Blastulation |
| Answer» Correct Answer - B | |
| 926. |
Autonomy is recored inA. Legs in crabsB. Tail of lizardsC. Viscera in holothurian echinodermsD. All the above |
| Answer» Correct Answer - D | |
| 927. |
A bacterium grown over medium having radiactive `.^(35)S` incorporates radioactivity inA. CarbohydratesB. ProteinsC. DNAD. RNA |
| Answer» Correct Answer - B | |
| 928. |
DNA acts as a templete for synthesis of :-A. DNAB. RNAC. Both DNA and RNAD. Protein |
| Answer» Correct Answer - C | |
| 929. |
Which is vestigial in humans ?A. Tail vertebraeB. Auricular musclesC. Scalp musclesD. All |
| Answer» Correct Answer - D | |
| 930. |
15% population in developed countries consumes resources out of totalA. 0.85B. 0.75C. 0.68D. 0.62 |
| Answer» Correct Answer - A | |
| 931. |
The basis of life is :A. Nucleic acidsB. ProteinsC. Fatty acidsD. Both A and B |
| Answer» Correct Answer - D | |
| 932. |
Attention-deficit behaviour isA. More common in boysB. Difficulty in remaining seatedC. Inability to follow instructionsD. All the above |
| Answer» Correct Answer - D | |
| 933. |
Broilers areA. Egg laying femalesB. young birds reared for meatC. Birds raised for breedingD. Birds raised for both eggs and ment |
| Answer» Correct Answer - B | |
| 934. |
Replacement level fertility rate for developed countries isA. 2B. 2.1C. 2.3D. 2.7 |
| Answer» Correct Answer - B | |
| 935. |
Rinderpest disease is caused byA. Bacillus speciesB. MorbillivirusC. TheileriaD. None of the above |
| Answer» Correct Answer - B | |
| 936. |
Lysine rich Maize variety isA. ProtinaB. RattanC. ShaktiD. All the above |
| Answer» Correct Answer - D | |
| 937. |
Granis of major cereals and millets lack amino acidsA. Methionine and cysteineB. Methionine and lysineC. Tryoptophan and cysteineD. Lysine and troptophan |
| Answer» Correct Answer - D | |
| 938. |
Vector for ascariasis isA. Female CulexB. Female AnophelesC. HouseflyD. None of the above |
| Answer» Correct Answer - D | |
| 939. |
Organic manure formed by Earthworm isA. Farmyard manureB. VermicompostC. CompostD. Green manure |
| Answer» Correct Answer - B | |
| 940. |
Number of known species of organisms on this earth isA. 5.0 millionB. 3.2 millionC. 1.7 millionD. 1.32 million |
| Answer» Correct Answer - C | |
| 941. |
Pyramid of population for Europe and North America isA. Urn-shapedB. Bell-shapedC. TriangularD. Dumb- bell shaped |
| Answer» Correct Answer - A | |
| 942. |
Chromosomal basis of sex determination was discovered in the plant :A. RumexB. MelandriumC. ConciniaD. Spharocarpus |
| Answer» Correct Answer - B | |
| 943. |
The histroic Convention of Biological Diversity was held in 1990 at Rio de Janeior. |
| Answer» Correct Answer - F | |
| 944. |
Renin is released byA. Cortical nephronsB. Collecting ductC. Juxtaglomerular appratusD. Pelvis |
| Answer» Correct Answer - C | |
| 945. |
Keucopaenia is the condition in whichA. The total number of leucocytes increases below 5000/cu mmB. The total number of leucocytes increases above 6000/cu mmC. Bone marrow is destroyedD. Formation of leucoytes stops |
| Answer» Correct Answer - a | |
| 946. |
Doris isA. ShipwormB. Sea LemonC. Sea HareD. Oyster |
| Answer» Correct Answer - B | |
| 947. |
Blood does not transport `O_(2)` in strethoscope was invented byA. ManB. FrogC. CockroachD. Pheretima |
| Answer» Correct Answer - C | |
| 948. |
Certain carbonates and phosphates are removed byA. SkinB. LiverC. KidneysD. None of the above |
| Answer» Correct Answer - C::D | |
| 949. |
A provirus isA. VirionB. Primitive virusC. Free DNAD. Integrated viral genome |
| Answer» Correct Answer - D | |
| 950. |
Basal placentation occurs in an ovary which isA. UnilocularB. BilocularC. MultlocularD. Lateral |
| Answer» Correct Answer - A | |