l Country borders and their related countries      Economy
        Border                     Countries              l Mixed Economy is existence of both public and
     a. 49th Parallel    United States of America           private sectors in National Economy.
                         and Canada                       l The most appropriate measure of an economic
     b. 38th Parallel    North Korea and South Ko-          growth of a country is Per Capita Income.
     rea                                                  l Green revolution was introduced in Third Five
     c. Durand Line      Pakistan and Afghanistan           Year Plan of India.
     d. Radcliff Line    India and Pakistan
                                                                               Success Tip
   l Near coastal areas, temperature on land in night
     time gets reduced due to land breeze.             The Green Revolution in India was a period when
                                                       agriculture in India increased due to improved meth-
   l Chinook is also known as ‘Snow Eater’.
                                                       od & technology. The Green Revolution allowed de-
                     Success Tip                       veloping countries, like India, to overcome poor ag-
A chinook wind is a warm, dry wind originating from    ricultural productivity. It started in India in the early
the Pacific Ocean which blows eastward over the        1960s.
Rockies, then cools on the mountainous slopes and         l The father of ‘Utilitarian School of Thought’ is
warms significantly as it blows downward onto the           Bentham.
   l Plants which can survive in very less water are
     called as xerophytes.                                l Law of Inertia is also known as Newton’s first
                                                            law of motion.
   l Equal birth rate and death rate represents pla-
     teau phase in population.                                                 Success Tip
Polity                                                 Newton’s first law states that an object will remain
                                                       at rest or move at a constant speed in a straight line
   l The ex-officio chairman of the NITI Aayog in In-
                                                       unless it is acted on by an unbalanced force.
     dia is the Prime Minister.
                                                          l When surface water of a lake is about to freeze,
                     Success Tip                            the temperature of water at the bottom of the
NITI Aayog was established in 2015, by the NDA gov-         lake will be 10°C.
ernment, to replace the Planning Commission which         l Electric energy is produced during conversion of
followed the top-down model.                                solar energy using photovoltaic cell.
   l The good arguments in favour of democracy are:       l Hydraulic brakes used in automatic vehicles are
     • Democracy enhances the dignity of citizens.          direct virtual application of Pascal’s law.
     • Democracies resolve conflicts in a better way. Chemistry
   l A voluntary union of sovereign and independent       l Nitrogen, Potassium and Phosphorus are com-
     states is called Confederation.                        monly found in most fertilizers.
   l The minimum age required to become a member          l Graphite is used as moderator in atomic reactor.
     of Lok Sabha is 25 years.                            l ‘Oil of vitriol’ is the common name of Sulphuric
                     Success Tip                            Acid.
                                                          l Hydrochloric Acid is also known as ‘Muriatic
The maximum strength of the House allotted by the           Acid’.
Constitution of India is 552. Currently the house         l Vermicompost is an organic fertilizer.
has 545 seats.
                                                                               Success Tip
   l Indian Constitution contains Twelve (12) Sched-
     ules.                                             Organic fertilizers are fertilizers derived from animal
   l Article 18 relates to ‘abolition of titles’.      matter, animal excreta, human excreta, and vegeta-
                                                       ble matter. Naturally occurring organic fertilizers in-
   l Two (2) members of Lok Sabha are nominated by
                                                       clude animal wastes from meat processing, peat,
     the President.                                    manure, slurry, and guano.
                     Success Tip
Lok Sabha has 545 seats which is made up by elec-         l Turmeric is a modified stem.
tion of up to 543 elected members and at a maxi-
                                                          l Mitochondria cell organelle is present in both
mum, 2 nominated members of the Anglo-Indian                plant and animal cell.
Community by the President of India.
                                                          l The nature of cell membrane is semi-permeable.