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PYQ 1200 Q/A Part - 1
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Kerala PSC General Awareness Book Study Materials 1 Page 121
Book's First PageSSC CGL GENERAL AWARENESS Pointers Success Tip Success Tip A chlorofluorocarbon (CFC) is an organic A Barr body (named after discoverer Murray Barr) is compound that contains only carbon, chlorine, the inactive X chromosome in a female somatic cell, and fluorine, produced as volatile derivative rendered inactive in a process called lyonization, in of methane, ethane, and propane. They are also com- those species in which sex is determined by the pres- monly known by the DuPont brand name Freon. The ence of the Y (including humans) or W chromosome most common representative is dichlorodifluo- rather than the diploidy of the X romethane. Many CFCs have been widely used l Marine sources has been particularly fruitful as refrigerants, propellants (in aerosol applications), in finding novel anti-tumour agents such as bry- and solvents ostanns and dolostatins l The alkoloid naturally found in coffee, cocoa and l If waste materials contaminate the source of cola nut is Caffeine drinking water, Typhoid disease will spread l The metal used for making air-crafts and rock- l Pulmonary Vein brings clean blood from the ets is Nickel lungs into the heart l The process of improving the quality of rubber by heating it with sulphur is called Vulcaniza- Miscellaneous tion l Microsoft Power Point application in Microsoft Office is feasible for preparing presentations Success Tip l The language which was used to build Internet Vulcanisation is a chemical process for converting Pages in the beginning of Internet Technology is natural rubber or related polymers into more dura- HTML ble materials by the addition of sulphur or other l R.K. Narayan has written the famous book “Mal- equivalent curatives or accelerators gudi Days” l Helium, Neon and Argon are noble gases Success Tip SSC Graduate Level Tier-I Exam The noble gases make a group of chemical Held on: 19.10.2014 elements with similar properties; under standard conditions, they are all odourless, colourless, Ancient History monatomic gases with very low chemical reactivity. l Pancha siddhantharn of Varaha Mihira deals The six noble gases that occur naturally are helium with Astronomy (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), Success Tip and the radioactive radon (Rn) The work is a treatise on mathematical astronomy Biology and it summarises five earlier astronomical treatis- l The biggest single-celled organism is Amoeba es, namely the Surya Siddhanta, Romaka Siddhan- ta, Paulisa Siddh-anta, Vasishtha Siddhanta and Success Tip Paitamaha Siddhanta An amoeba is a type of cell or organism which has l Rupyaka coins was issued in silver during the the ability to alter its shape, primarily by extending Gupta period and retracting pseudopods. Amoebas do not form a single taxonomic group; instead, they are found in l Lothal, the dockyard site of the Indus Valley every major lineage of eukaryotic organisms Civilization, is situated In Gujarat l Crescograph was invented by J.C. Bose l Buddha means enlightened one Success Tip Success Tip A crescograph is a device for measuring growth in A Buddha is one who has attained Bodhi; and by plants. It was invented in the early 20th century by Bodhi is meant wisdom, an ideal state of intellectual Sir Jagadish Chandra Bose. The Bose crescograph and ethical perfection which can be achieved by man uses a series of clockwork gears and a smoked glass through purely human means. The term Buddha plate to record the movement of the tip of a plant literally means enlightened one, a knower (or its roots) at magnifications of up to 10,000 Medieval History l Foramen Magnum is an aperture found in the Skull l Qutbuddin Aibak died of a sudden fall from a horse at Lahore while playing Chaugan l ‘Kelp’ is sea a weed rich in iodine content l Ethology the branch of Zoology that deals with Modern History the scientific study of animal behaviour l Swami Vivekanand was responsible for the re- l ‘Barr body’ is found in female somatic cells vival of Hinduism in 19th century SGPE-126