Group C Welcome to your Group C 1. The kidneys in human beings are a part of the system for Nutrition Respiration Excretion Transportation 2. The xylem in plants are responsible for Transport of water Transport of food Transport of amino acids Transport of oxygen 3. The autotrophic mode of nutrition requires Carbon dioxide and water Chlorophyll. Sunlight all of the above 4. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in Cytoplasm Chloroplast Mitochondria Nucleus 5. An example of homologous organs is Our arm and a dog's fore-leg Our teeth and an elephant's tusks Potato and runners of grass all of the above 6. In evolutionary terms, we have more in common with a Chinese school-boy a chimpanzee a spider a bacterium 7. A sexual Reproduction takes place through budding in Amoeba Yeast Plasmodium Leishmania 8. Which of the following is not a part of the female reproductive system in human begins? Ovary Uterus Vas deference Fallopian tube 9. The anther contains sepals ovules carpel pollen grains 10. Which of the following is a biodegradable substance? Glass Plants Plastics Polythene 11. The constituents which do not form Eco-System are Biotic constituents Plastic bags Abiotic constituents All of these 12. The functional unit of environment is Ecosystem Nitrogen Carbon Oxygen 13. The number of atoms of oxygen present in ozone are 3 4 2 1 14. Which of the following is the plant hormone? Insulin Thyroxine Oestrogen Cytokinin 15. The gap between two neurons is called a dendrite synapse axon impulse 16. The brain is responsible for thinking regulating the heart beat balancing the body all of the above 17. Main site of photosynthesis Leaf Stem Chloroplast Guard cells 18. Opening and closing of pores is a function performed by Stomata Chlorophyll Chloroplast Guard cells 19. Photosynthesis is a Catabolic process Parabolic process Amphibolic process Photochemical process 20. Respiratory pigment in human body is Chlorophyll Water Blood Haemoglobin 21. Fruits are formed from Stamen Stigma Ovary Ovule 22. With whom you can associate theory of evolution? Charles Darwin Mendel Stanley miller Harold Urey 23. Homologous organ have Same structure, same function Different structure, different function Same structure, different function Different structure, same function 24. The formula of Ozone is __ O3 O2 O6 O4 25. Which one of the following is a Renewable Resource Natural Gas Petroleum Ground water Coal 26. The correct formula of rust is Fe2O3 Fe3O4 Fe2O3.xH2O Fe3O4.xH2O 27. pH of pure water is 7 6 8 9 28. Modern Periodic Table has 8 Groups 18 Groups 7 Groups None of these 29. Modern Periodic Table was given by Mendeleev Moseley Newlands None of these 30. Ethane, with the molecular formula C2H6 has 6 covalent bonds 7 covalent bonds 8 covalent bonds 9 covalent bonds 31. The by product of soap is isoprene glycerol butene ethylene glycol 32. Covalent compounds have high melting and boiling point are mostly soluble in water are formed between atoms of metals and non-metals are formed by the sharing of electrons in the bonding atoms. 33. The chemical formula of caustic potash is NaOH Ca(OH)2 NH4OH KOH 34. The bronze medals are made up of Cu and Zn Zn and Ni Cu and Sn Cu, 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 be calcium carbon iron silicon 36. The reaction of H2 gas with oxygen gas to form water is an example of combination reaction redox reaction exothermic reaction all of these reactions 37. Which of the following metals is present in the anode mud during the electrolytic refining of copper? Sodium Aluminium Gold Iron 38. Which has cannot be used as a fuel? C.N.G. L.P.G. Oxygen Hydrogen 39. Name the first member of alkanal series. Methanal Ethanal Propan Pentane 40. Butanone is a four- carbon compound with the functional group Carboxylic acid Aldehyde Ketone Alcohol 41. Name the sodium compound which is used for softening hard water Bleaching powder Baking Soda Washing Soda Baking Powder 42. A solution reacts with crushed egg- shells to give a gas that turns lime-water milky. The solution contains NaCl HCl LiCl KCl 43. Which gas is produced when an acid reacts with Na2CO3 Carbon Dioxide Oxygen Helium Methane 44. Name the Metal which is a poor conductor of heat Silver Copper Gold Lead 45. Which metal can easily cut with a knife Silver Mercury Sodium Potassium 46. Respiration talking place in cells of all the living beings is an ____ reaction Decomposition Oxidation Combustion Redox 47. An alloy is an element a compound a homogeneous mixture a heterogeneous mixture 48. Which of the following statement is not correct? All metal carbonates react with acid to give a salt, water and carbon dioxide All the oxides react with water to give salt and acid Some metals react with acids to give salt and hydrogen Some non metal oxides react with water to form an acid 49. Which of the following is functional group? O-H C-H H-N O=O 50. Which is used for fractured bones and making statues? Emulsion Bleaching powder Plaster of Paris Calcium Time's up Leave a 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.
