www.rasexam.com www.facebook.com/rasexam Page 1General Science QUIZ for Competitive Exams 100 MCQs: Multiple choice questions(MCQs) based on Indian History which are asked in various examinations like RAS,IAS, IES, IRS and SSC conducted by RPSC, UPSC and other state level PSCs. Here iscollection of top Frequently asked Questions(FAQs) from General Science, RAS Examor RPSC Exams normally contains 5-7% questions based on General Science. GeneralScience MCQs as part of RasExam.com QUIZ TIME.1. Red-rot and Ergot disease are associated with the Produuction of:A. Bajra and wheatB. Groundnut and sugarcaneC.Wheat and groundnutD.Sugarcane and BajraAns: D2. Who among the following received Nobel prize for unraveling the helical structure ofProtein ?A. Linus paulingB. Maurice WilkinsC. SangerD. Watson and CrickAns: A3. Which one of the following kinds of organism causes maleria ?A. BacteriumB. FungusC. ProtozoanD. VirusAns: C4. Which among the following is poorest source of Fat ?A. CurdB. EggC. FishD. MilkAns: C5. The release of which one of the following into Ponds and wells helps in controllingmosquitoes ?A. CrabB. Gambusia FishaC. DogfishD. SnailAns: B6. Which one of the following crop improvement technique is based on the concept ofCellular Totipotency in plantsA. PolyploidB. Tissue CultureC. Induced CultureD. Hybridisation
www.rasexam.com www.facebook.com/rasexam Page 2Ans: B7. The high milk yielding breed of cow developed in India through cross breeding is ?A. HaryanaB. Red sindhiC. MurrahD. Holstein-FriesianAns: B8. Zoological Survey of India Planned to Establish Five DNA Laboratories in India. Whichone of the following cities is not included in its planned list?A.New DelhiB. ChennaiC. KolkataD. PuneAns:A9. If the drinking water supply pipeline is damaged and is contaminated with domesticsewerage. which one of the following disease is most likely to occur ?A. MeaslesB. TyphoidC. TuberculosisD. DiphtheriaAns: B10. Which scientist disapproved the theory of spontaneous generation and performed theexperiment to show "Life begets life" ?A. Alexander fleminB. Joseph ListerC. Louis pasteurD. Linus PaulingAns: C11. The Scientists recently estimated the age of the moon around ----- Billion years.A. 4.36B. 3.36C. 5.34D.7.54Ans: A12. Which of the following are infected by foot and mouth disease ?A. CatsB. CattleC. DogsD. PoultryAns: B13. Which one of the following disease is caused by bacteria ?A. Hepatitis BB. PoliomyelitisC. ScabiesD. TuberculosisAns: D
www.rasexam.com www.facebook.com/rasexam Page 314. Which one of the following is vector for KALA-AZAR disease ?A. HouseflyB. SandflyC. Aedes mosquitoD. Anopheles MosquitosAns: B15. In terms of organic evolution, which one of the following is more advanced than theother three ?A. BatB. PigeonC. OstrichD. VultureAns: A16. Night blindness can be corrected by the intake of ?A. Vitamin AB. Vitamin B ComplexC. Vitamin CD. Vitamin DAns: A17. Which one of the enzymes is found in human saliva ?A. TrypsinB. PepsinC. PtyalinD. RenninAns: C18.Which one of the following element is essential for the transmission of Nerve impulses innerve fibers of Human body ?A. CalciumB. IronC. SodiumD. ZincAns: C19. In the human body, the red blood cells are produced in ?A. LiverB. Voluntary MusclesC. PancreasD. Bone marrowAns: D20. The purpose of Genetically modifying brinjal and cotton as Bt-Brinjal, Bt-Cotton wasto make them ?A. Drought resistantB. High yieldingC. Pest resistantD. Short-duration cropsAns: C21. Which one of the following is a pigment ?
www.rasexam.com www.facebook.com/rasexam Page 4A. AlbuminB. ElastinC. KeratinD. MelaninAns: D22. Which of the following is biodegradable?A. D.D.T.B. PaperC. PlasticD. AluminiumAns: B23. Electrostatic precipitation is used to control ?A. Water pollutionB. Solid wasteC. Noise pollutionD. Air pollutionAns: D24. X-rays were discovered by -A. RoentgenB. H.DavyC. LavoisierD. FaradayAns: A25. Where was Indias first computer installed?A. Indian Statistical Institute, CalcuttaB. Indian Institute of Technology, DelhiC. Indian Institute of Science, BangaloreD. Bharat Sanchar Nigam Ltd, DelhiAns: A26. Centre for DNA Finger printing of India is located at-A. PuneB. HyderabadC. MumbaiD. UdaipurAns. B27. The audible range of sound is-A. 20 Hz to 20 MHzB. 20 Hz to 20 kHzC. 20 kHz to 20 MHzD. 20 Hz to 2000 HzAns. B28. The nephron is:A. The site of urine storage.B. The functional unit of the kidney.C. The site where ADH is produced.D. Also called the Bowmans capsule.
www.rasexam.com www.facebook.com/rasexam Page 5Ans. B29. All of the following are normally found in urine except-A. GlucoseB. Sodium ionsC. Uric acidD. UreaAns. A30. Which Salt is used in photography?A. Phosphorus NitrateB. Silver NitrateC. Sodium NitrateD. Sodium ChlorideAns. B31. In elephants, which teeth are grow into huge tusks?A. Incisors of the lower jawB. Canines of the upper jawC. Incisors of the upper jawD. Molars of the lower jawAns. C32. Tip of the match-stick contains-A. Phosphorus penta oxideB. White phosphorusC. Red phosphorusD. Phosphorus penta chlorideAns. C33. Commercial name of Sodium bicarbonate is-A. Washing sodaB. Baking sodaC. Bleaching powderD. Soda ashAns. B34. Which lands in human body produced growth Harmon ?A. AdrenalB. PancreasC. PitutaryD. ThyroidAns: C35. From evolutionary point of view which one f the following is more advances ?A. CrocodileB. DolphinC. SharkD. TortoiseAns: B36. Which one of the following Mineral is required for muscle contraction ?A. CalciumB. Iron
www.rasexam.com www.facebook.com/rasexam Page 6C. SodiumD. ZincAns: A37. What is key ingredient of Vinegar that you use in diet ?A. Acetic acidB. Ascorbic acidC. Benzoic AcidD. Nicotinic AcidAns: C38. Which of the following receives message from hypothalmus and communicates withother endocrine glands ?A. PituitaryB. ThyroidC. PancreasD. ThymusAns: A39. The part of grain in cereals, where much of the protein lies is the ?A. Aleurone layerB. LendospermC. PericarpD. EmbryoAns: A40. In which part of human body is the smallest bone found ?A. WristB. PalmC. NoseD. EarAns:D41. Primarily which one of the following system of the body is attacked by HIV ?A. CardiovascularB. ImmuneC. RespiratoryD. ReproductiveAns: B42. Which one of the following is a stem tissue ?A. CarrotB. CactusC. GingerD. FlowerAns: B43. Vaccines are ?A. Same as monoclonal antibodiesB. Treated bacteria or virus or one of their proteinC. mhc proteinD. Strands of nucleic acidAns: B
www.rasexam.com www.facebook.com/rasexam Page 744. Which one of the following is used as antibacterial dye for skin infection ?A. BariumB. CobaltC. Gentian violetD. NicotinamideAns: C45. Tricuspid valve is found in ?A. BrainB. HeartC. SpleenD. Veins46. In India, the human organ transplantation act come into existence in ?A. 1994B. 1995C. 1996D. 1997Ans: B47. Which one of following algae is a wonder crop with about 70% protein, even more thanSoyabean ?A. ChlorellaB. DunaliellaC. ScenedesmusD. SpirulinaAns: D48. The science dealing with Human variations and heredity leading to the improvement ofhuman race is known as ?A. EugenicsB. GeneticsC. HybridizationD. MutationAns: A49. The part of poppy plant which yields opium is ?A. Dried rootB. Dried leavesC. Dried seedsD. Unripe fruitsAns: D50. Vitamin A is also known as ?A. Ascorbic acidB. RetinolC. ThiamineD. RiboflavinAns: B51. The folding of the leaf lobes of the Venus flag trap is a response to changing ?A. Light patternB. Water pressure
www.rasexam.com www.facebook.com/rasexam Page 8C. Wind speedD. Wind directionAns: B52. One of most important foreign exchange earning herbs used in the treatment of severalkinds of chronic dysentery is ?A. TulsiB. IsabgolC. MadhucaD. RauwoldiaAns: B53. Which one of the following is the most suitable plant for reclamation of alkaline soil ?A. EucalyptusB. PipalC. CoconutD. KikarAns: C54. The crop in which Bt Gene has been used for genetic transformation and which hasgiven rise o a controversy in India is ?A. CottonB. WheatC. GroundnutD. TomatoAns: A55. Children confined to closed dark rooms are most likely to suffer from ?A. GoitreB. AnaemiaC. PallagraD. Bone deformationAns: B56. Fish and sea foods are very rich in ?A. MagnesiumB. IronC. CalciumD. SodiumAns: D57. WIDAL test is required for the diagnosis of ?A. TuberculosisB. TenanusC. TyphoidD. LeprosyAns: C58. Which one of the following is known as first line of defence for the body ?A. WBCB. antibodiesC. SkinD. Nails
www.rasexam.com www.facebook.com/rasexam Page 9Ans: C59. The yellow color of Yolk is due to the presence of ?A. LivetinB. PhosphateC. RiboflavinD. VitellinAns; C60. The slurry of biogas plant is an enriched manure as it is vary rich in oxygen ...A. Phosphorus and PotassiumB. Sulphur and NitrogenC. Zinc and AluminumD. Boron and PotashAns: B61. The most economical process of increasing the nutritive value of foodgrains is ?A. GerminationB. MillingC. ParboilingD. PearlingAns: B62.GOUT, a metabolic disease occues due to the high level of ?A. Uric acid in the bloodB. Urea in the bloodC. Sugar in the bloodD. Cholestrerol in the bloodAns: A63. Which one of the following is NOT correctly matched ?A. Becquerel: RadioactivityB. Alexander Fleming: PenicillinC. Louis Pasteur: Blood groupD. William Harvey: Blood circulationAns: C64. PCR (Polymerase chain reaction) is a technique to make copies of ?A. DNA Using livin cellsB. DNA Without using living cellsC. RNA using living cellsD RNA without using living cellsAns: A65. The branch of science dealing with the improvement of human race is ?A. GenealogyB. CloaningC. EugenicsD. EuphenicsAns: C66. The main pollination agent in the case of maze plant is ?A. BirdB. Insects
www.rasexam.com www.facebook.com/rasexam Page 10C. RodentD. WindsAns: D67. Spiders and scrpions belongs to the same class of Antropods as are ?A. Beetle and locustsB. Crabs and LobstersC. Centipedes and MillipedesD. Mites and TicksAns: D68. With reference to the plants, mucilage are ?A. GlycoproteinsB. Polypeptides chainsC. PolysachhairidesD. Long chain fatty acidsAns: A69. Azolla used as a bio-fertilizer for rice cultivation has a symbolic relationship with ?A. AzaotobacterB. AzospirillumC. AulosiraD. AnabaenaAns: D70.Diatom are good indicator of:A. Industrial pollutionB. Intense soil erosionC. Sewae pollutionD. Soil PollutionAns: C71. Which one of the following theories is most widely accepted for movement of waterthrough plants ?A. CapillarityB. Cohesion tensionC. ImbibitionD. Root pressure.Ans: D72.Which one of the following organisms has a role in converting nitrates to free Nitrogen ?A. PseudomonasB. NitrosomonasC. NtrobacterD. RhizobiumAns:A73. The human body cowpers gland is associated with ?A. Circulatory systemB. Digestive systemC. Nervous systemD. Urino-genital systemAns: D
www.rasexam.com www.facebook.com/rasexam Page 1174. Which type of light is effective for Photosynthesis to occur ?A. Ultraviolet and blueB. Blue and redC. Green and YellowD. Blue and GreenAns: B75. Which one of the following enzymes can hydrolyze proteins in the stomach ?A. TrypsinB. PepsinC. LipaseD. AmylaseAns: B76. In human body the blood enters the aorta of the circulartory system from the ?A. Left artiumB. Left VentricleC. Right atriumD. Right VentricleAns: B77. Which is iodine-deficienty disease ?A. ArthritisB. GoitreC. GlucomaD. PneumoniaAns: B78. Which oil is least recommended for high blood pressure person ?A. Coconut oilB. Groundnut oilC. Mustand OilD. Sunflower OilAns: C79. Which Nutrients plays a important role in Coagulation of Blood ?A. CalciumB. IronC. PotassiumD. SodiumAns: A80. Which one of following vitamins can be synthesized by human body ?A. Vitamin B1B. Vitamin B12C. Vitamin CD. Vitamin DAns: D81. What is the process responsible for producing photons in a diode laser?A. Fermi level shiftB. Majority carrier injectionC. Carrier freeze out
www.rasexam.com www.facebook.com/rasexam Page 12D. Electron-hole recombinationAns: D82. Which variety of coal contains the highest percentage of carbon?A. AnthraciteB. PeatC. BituminousD. LigniteAns: A83. What is the main component of biogas and natural gas?A. EthaneB. MethaneC. PropaneD. ButaneAns: B84. What is dry ice?A. Liquid nitrogenB. Water iceC. Solid carbon dioxideD. Frozen ethanolAns: C85. Nail polish remover contains mainly ?A. MethanolB. EthanolC. AcetoneD. LimoneneAns: C86. Which of the following measurements is not a unit of distance?A. AmmeterB. CubitC. ParsecD. AngstromAns: A (An ammeter is a device that measures the current in an electric circuit, the amount ofcharge per unit time through a point of reference)87. Who discovered X-rays?A. LandB. RoentgenC. EastmanD. KodakAns: B88. What is defined as the change in velocity over time?A. AccelerationB. SpeedC. WorkD. ForceAns: A89. Which one of the following is caused by virus ?
www.rasexam.com www.facebook.com/rasexam Page 13A. CholeraB. InfluenzaC. ScabiesD. TyphoidAns: B90. Which one of the following elements is required by the human body for the hardeningof Bones and teeth ?A. IodineB. IronC. PhosphorusD. PotassiumAns: C91. Which one of the following is not caused by Nutritional deficienty ?A. KwashiorkorB. HaemophiliaC. BeriberiD. MarasmusAns: B92. Chemically, what is Sname Venom ?A. GlycolipidB. PolysacchrideC. ProteinD. SteroidAns: C93. The root of which one of following plants contain the bacteria that convert freeNitrogen to Nitrates used by plants ?A. MustandB. PeaC. SugarcaneD. WheatAns: B94. Which one among following is rich in protein ?A. Boiled riceB. Brea of WheatC. Fried Potato ChipsD. Fried GramAns: D95. Which part of Potato plant is used as Vegetable ?A. Modified rootB. Modified stemC. Modified leafD. Modified flowerAns: B96. Mashrooms are actually ?A. AlgaeB. Fungi
www.rasexam.com www.facebook.com/rasexam Page 14C. LichensD. Parasitic moss plantAns: B97. All Enzymes are actually ?A. ProteinB. CarbohydratesC. Fatty acidsD. SterolsAns: A98. Among the following fruits, which one is not a True fruits ?A. AppleB. TomatoC.CoconutD. DateAns: A99. In which oran of the human body is Ammonia converted into Urea ?A. KidneyB. LiverC. PancreasD. SpleenAns: B100. Who saw the cells for the first time in the thin slice of Cork using his crudeMircoscope ?A. August WeismannB. Louis PasteurC. Robert BrownD. Robert HookeAns: DNEED MORE MCQs For Competitive Exams visit www.RasExam.comFOLLOW US on:FACEBOOK: http://www.facebook.com/RasExamGOOGLE+: https://plus.google.com/108704652452931874946/TWITTER: https://twitter.com/RASEXAM