l  As per the results of the 2011 Population Cen-                            Success Tip
      sus, Kerala, Lakshadweep and Mizoram occ-           It is an oxide of nitrogen. At room temperature, it is
      upies the three top places in respect of literacy   a colourless, odourless non-flammable gas, with a
   l  Haryana has the lowest child sex ratio as per       slightly sweet taste. It is used in surgery and
      the 2011 Census                                     dentistry for its anaesthetic and analgesic effects
Physics                                                      l The difference between isotopes of an element is
                                                                due to the presence of a different number of neu-
   l  Mercury is generally used in thermometers be-
      cause it has a high conductivity
                                                             l The increasing abundance of greenhouse gases
                      Success Tip                               in the atmosphere has led to Global warming,
 Most metals are good conductors of heat and they               Depletion of ozone layer in the stratosphere
 are solids at room temperature. Mercury is the only            and Carbon dioxide fertilisation effect
 one in liquid state at room temperature. It’s used in       l Hydrogen fuels causes minimum environmen-
 thermometers because it has high coefficient of ex-            tal pollution
 pansion. Hence, the slightest change in tempera-            l Minamata epidemic that caused several deaths
 ture is notable when it’s used in a thermometer.               in Japan in 1965 occurred due to pollution in
   l To an observer on the lunar surface, during day-           water by Mercury
      time, the sky will appear to be Black                  l Ozone affects human health by causing severe
   l Mass is the measure of ‘inertia’                           pulmonary edema at a concentration of 9.0 ppm
   l The intensity of a wave follows inverse square      Biology
      law and is proportional to the square of the
                                                             l  Lumbering is an act of man that disturbs the
                                                                ecological balance
                      Success Tip                            l  Bryophyta is called the amphibian in plant king-
 An inverse-square law is any physical law stating              dom
 that a specified physical quantity or intensity                                Success Tip
 is inversely proportional to the square of
                                                          Bryophyte is a traditional name used to refer to all
 the distance from the source of that physical quan-
                                                          embryophytes that are non-vascular plants, namely
                                                          the mosses, hornworts, and liverworts
   l Full duplex data communication method is used
                                                             l Among Hookworm, Guinea worm, Tapeworm and
      for sending data in both directions at the same
                                                                Ringworm, odd one is Ringworm
                                                                                Success Tip
                      Success Tip
                                                          Ringworm is a fungal infection of the skin
 Full duplex data communication method Refers to
                                                             l National Institute of Nutrition is a research in-
 the transmission of data in two directions simulta-
                                                                stitute located in the State of Andhra Pradesh
 neously. For example, a telephone is a full-
 duplex device because both parties can talk at once.                           Success Tip
 In contrast, a walkie-talkie is a half-duplex device     National Institute of Nutrition is one of the oldest
 because only one party can transmit at a time.           research centres in India, and the largest centre,
   l Cooking vessels have wooden or Bakelite han-         under the Indian Council of Medical Research, lo-
      dles because wood, and Bakelite are bad con-        cated in the vicinity of Osmania University
      ductors of heat                                        l A tree’s age can be found by counting the num-
                                                                ber of annual rings
Chemistry                                                    l The left aortic arch is observed in Mammals
   l  Darkening property of photo chromatic glass is         l Tendon connects Muscle to bone
      due to the presence of silver chloride
                      Success Tip
                                                             l  ISDN stands for Integrated Services Digital
 Photochromic glasses are optical glasses that dark-
 en on exposure to specific types of light of sufficient
 intensity, most commonly ultraviolet (UV) radiation.                           Success Tip
 In the absence of activating light the lenses return     Integrated Services Digital Network (ISDN) is a set
 to their clear state                                     of communication standards for simultaneous digi-
   l Supersonic aircrafts discharge NO2 into the          tal transmission of voice, video, data, and other
      stratosphere                                        network services over the traditional circuits of the
                                                          public switched telephone network.
   l Chemical nature of laughing gas is Nitrous ox-
      ide                                                    l The first President to sail in a submarine in In-
                                                                dia was Dr. A.P.J. Abdul Kalam