Group C Welcome to your Group C 1. The kidneys in human beings are a part of the system forNutritionRespirationExcretionTransportation 2. The xylem in plants are responsible forTransport of waterTransport of foodTransport of amino acidsTransport of oxygen 3. The autotrophic mode of nutrition requiresCarbon dioxide and waterChlorophyll.Sunlightall of the above 4. The breakdown of pyruvate to give carbon dioxide, water and energy takes place inCytoplasmChloroplastMitochondriaNucleus 5. An example of homologous organs isOur arm and a dog's fore-legOur teeth and an elephant's tusksPotato and runners of grassall of the above 6. In evolutionary terms, we have more in common witha Chinese school-boya chimpanzeea spidera bacterium 7. A sexual Reproduction takes place through budding inAmoebaYeastPlasmodiumLeishmania 8. Which of the following is not a part of the female reproductive system in human begins?OvaryUterusVas deferenceFallopian tube 9. The anther containssepalsovulescarpelpollen grains 10. Which of the following is a biodegradable substance?GlassPlantsPlasticsPolythene 11. The constituents which do not form Eco-System areBiotic constituentsPlastic bagsAbiotic constituentsAll of these 12. The functional unit of environment isEcosystemNitrogenCarbonOxygen 13. The number of atoms of oxygen present in ozone are3421 14. Which of the following is the plant hormone?InsulinThyroxineOestrogenCytokinin 15. The gap between two neurons is called adendritesynapseaxonimpulse 16. The brain is responsible forthinkingregulating the heart beatbalancing the bodyall of the above 17. Main site of photosynthesisLeafStemChloroplastGuard cells 18. Opening and closing of pores is a function performed byStomataChlorophyllChloroplastGuard cells 19. Photosynthesis is aCatabolic processParabolic processAmphibolic processPhotochemical process 20. Respiratory pigment in human body isChlorophyllWaterBloodHaemoglobin 21. Fruits are formed fromStamenStigmaOvaryOvule 22. With whom you can associate theory of evolution?Charles DarwinMendelStanley millerHarold Urey 23. Homologous organ haveSame structure, same functionDifferent structure, different functionSame structure, different functionDifferent structure, same function 24. The formula of Ozone is __O3O2O6O4 25. Which one of the following is a Renewable ResourceNatural GasPetroleumGround waterCoal 26. The correct formula of rust isFe2O3Fe3O4Fe2O3.xH2OFe3O4.xH2O 27. pH of pure water is7689 28. Modern Periodic Table has8 Groups18 Groups7 GroupsNone of these 29. Modern Periodic Table was given byMendeleevMoseleyNewlandsNone of these 30. Ethane, with the molecular formula C2H6 has6 covalent bonds7 covalent bonds8 covalent bonds9 covalent bonds 31. The by product of soap isisopreneglycerolbuteneethylene glycol 32. Covalent compoundshave high melting and boiling pointare mostly soluble in waterare formed between atoms of metals and non-metalsare formed by the sharing of electrons in the bonding atoms. 33. The chemical formula of caustic potash isNaOHCa(OH)2NH4OHKOH 34. The bronze medals are made up ofCu and ZnZn and NiCu and SnCu, Zn, Tn 35. An element reacts with oxygen to give a compound with a high melting point. The compound is soluble in water. The element is likely to becalciumcarbonironsilicon 36. The reaction of H2 gas with oxygen gas to form water is an example ofcombination reactionredox reactionexothermic reactionall of these reactions 37. Which of the following metals is present in the anode mud during the electrolytic refining of copper?SodiumAluminiumGoldIron 38. Which has cannot be used as a fuel?C.N.G.L.P.G.OxygenHydrogen 39. Name the first member of alkanal series.MethanalEthanalPropanPentane 40. Butanone is a four- carbon compound with the functional groupCarboxylic acidAldehydeKetoneAlcohol 41. Name the sodium compound which is used for softening hard waterBleaching powderBaking SodaWashing SodaBaking Powder 42. A solution reacts with crushed egg- shells to give a gas that turns lime-water milky. The solution containsNaClHClLiClKCl 43. Which gas is produced when an acid reacts with Na2CO3Carbon DioxideOxygenHeliumMethane 44. Name the Metal which is a poor conductor of heatSilverCopperGoldLead 45. Which metal can easily cut with a knifeSilverMercurySodiumPotassium 46. Respiration talking place in cells of all the living beings is an ____ reactionDecompositionOxidationCombustionRedox 47. An alloy isan elementa compounda homogeneous mixturea heterogeneous mixture 48. Which of the following statement is not correct?All metal carbonates react with acid to give a salt, water and carbon dioxideAll the oxides react with water to give salt and acidSome metals react with acids to give salt and hydrogenSome non metal oxides react with water to form an acid 49. Which of the following is functional group?O-HC-HH-NO=O 50. Which is used for fractured bones and making statues?EmulsionBleaching powderPlaster of ParisCalcium Time is Up! Leave a Reply Cancel replyCommentEnter your name or username Enter your email Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.