for the crust above the magma chamber is lost. The        l  The main difference between Gross Domestic
 ground surface then collapses downward into the              Product (GDP) and Gross National Product (GNP)
 partially emptied magma chamber, leaving a mas-              is Net foreign income from abroad
 sive depression at the surface.                           l  “NABARD” is a financial Institution
   l  Central Highlands of Indian peninsular block         l  In Haryana the Child Sex Ratio the lowest in
      are formed of Igneous and metamorphic rocks             India
   l  Forests is a renewable resource                   Physics
                      Success Tip                          l  A vehicle will topple if its centre of gravity is
 A renewable resource is a resource which can be used         outside its base
 repeatedly because it is replaced naturally               l  A transistor is an amplifying device
   l In a desert region, soil erosion can be checked       l  The density of water is maximum at 4°C
      by tree plantation/forestation                       l  Clothes made of polyester dry quickly after wash-
   l The air becomes heated by Convection                     ing because polyester absorbs very little water
                      Success Tip                          l  When a gas is compressed both pressure and
 Convection above a hot surface occurs because hot            temperature increase
 air expands, becomes less dense, and rises                l  Metric system of measurement started in the
   l Seismograph records intensity of earthquake              country in 1956
      shock                                             Chemistry
   l Ozone layer in the upper parts of the atmosphere
                                                           l  Nitrous oxide is known as laughing gas
      serves as a protective shield against harmful
      solar ultraviolet radiation                       Biology
General Geography                                          l  Immunisation is a phenomenon of formation of
                                                              antibodies by using inactive Antigens
   l  Growing more than one crop on a piece of land
      during the year is known as Multiple cropping        l  Ascaris is a mono genetic parasite
   l  The well through which water comes out through                           Success Tip
      hydraulic pressure is called Artesian well         Ascaris is a genus of parasitic nematode worms
   l  Chandigarh in India is considered greenest         known as the “small intestinal roundwo-rms”, which
   l  Green manure is obtained from decomposing          is a type of helminth (parasitic worm)
      green legume plants                                  l Hydrochloric acid is synthesized in human
   l  The Iduldsi hydroelectric plant is on river Peri-       stom-ach
      yar                                                  l Filaria is transmitted by Culex mosquito
   l  Guru Shikhar peak is located in Rajasthan                                Success Tip
                      Success Tip                        Filaria is a parasitic disease caused by an infection
 Guru Shikhar, a peak in the Arbuda Mou-ntains of        with roundworms of the Filarioidea type. These are
 Rajasthan, is the highest point of the Aravalli Range   spread by blood-feeding black flies and mosquitoes
                                                           l Bat is the only mammal that can fly
Polity and Constitution
                                                           l Commonest mammal is man (Homo sapiens)
   l  Basis of classification of governments as uni-
      tary and federal is relationship between the      Miscellaneous
      Centre and States                                    l  A ‘bug’ in a program is Error
   l  Secretary General of the Lok Sabha is appoint-       l  Modem allows computers to transfer data us-
      ed by the Speaker                                       ing a telephone line
   l  The Judges of Supreme Court hold office till they    l  Correct sequence of the countries included in
      reach the age of 65 years                               the BRICS: Brazil, Russia, India, China, South
   l  Rajya Sabha is presided by a non member
                                                           l  Glenn McGrath has taken more than 500 wick-
   l  In the integration of Princely States, Vallabhb-
                                                              ets in Test cricket
      hai Patel and V.P. Menon played a major role
                                                           l  Serena Williams of U.S.A. won the women’s sin-
Economy                                                       gles U.S. Open 2012 title by defeating in the fi-
   l  The addition to total cost by producing an addi-        nal Victoria Azarenka
      tional unit of output by a firm is called Margin-                        Success Tip
      al cost                                            Angelique Kerber of Germany won the women’s sin-
   l  In a perfectly competitive market, a firm’s Aver-  gles U.S. Open 2016 title by defeating in the final
      age Revenue is more than Marginal Revenue          Karolina Pliskova