SSC CGL GENERAL AWARENESS Pointers
Physics                                                     l  Ari antigen develops antibodies. The antibodies
                                                               which protect the body from their harmful ef-
    l  Scanning Electron Microscope produces imag-
       es, which are three dimensional.                        fects are Immunoglobulins.
    l  When sound travels from air to water the quan-                          Success Tip
       tity that remains unchanged is frequency.          Immunoglobulins, also known as antibodies, are
    l  A leaf appears green in daylight. When seen in     glycoprotein molecules produced by plasma cells
       red light it appears to be black.                  (white blood cells). They act as a critical part of the
                       Success Tip                        immune response by specifically recognizing and
 In sunlight or white light the green leaf absorbs all    binding to particular antigens, such as bacteria or
 constituents light colours of white except green. It     viruses and aiding in their destruction
 means the leaf absorbs all wavelengths of colours          l  Peptide bond is a key feature in Proteins.
 i.e. violet, indigo, blue, yellow, orange, red but not                        Success Tip
 green. Since the green light alone is reflected thus
                                                          A peptide bond is a chemical bond formed between
 leaf appears green. Under the red light all colours
 including the green are absorbed in the red colour.      two molecules when the carboxyl group of one mol-
 Hence the leaf appears as dark                           ecule reacts with the amino group of the other mol-
                                                          ecule, releasing a molecule of water (H2O). This is a
    l Polarisation shows that light is a transverse
                                                          dehydration synthesis reaction (also known as a
       wave.
                                                          condensation reaction), and usually occurs between
    l Rex-Bionics – a New Zealand based firm has
                                                          amino acids
       developed robotic legs to walk, stand, turn and
       climb.                                               l  Ricinin is a deadly poison to the human being
    l A normal medium sized washing machine used
                                                               and has no known antidote so far. It is found in
       in household use electricity 500 Watts.                 Castor bean.
    l Sextant is used to measure height of an object.       l  High blood pressure can be managed by eating
                                                               fishes like Herring, Mackerels and Solomon
                       Success Tip
                                                               which are rich in Omega-3.
 A sextant is a doubly reflecting navigation
 instrument that measures the angle between two          Miscellaneous
 visible objects. The primary use of a sextant is to        l  The subject of Data warehousing is related to
 measure the angle between an astronomical                     Databases.
 object and the horizon for the purposes of celestial
 navigation                                                                    Success Tip
                                                          In computing, a data warehouse (DW or DWH), also
Chemistry
                                                          known as an enterprise data warehouse (EDW), is a
    l  An aerosol is a colloidal system of a solid dis-   system used for reporting and data analysis, and is
       persed in a gas.                                   considered a core component of business intelligence
    l  Food cans are coated with Tin and not Zinc be-
                                                            l  The shifting of a program from one of the mem-
       cause Zinc is more reactive than Tin.
                                                               ory addresses to another is Relocation.
    l  Biogas produced by the fermentation of animal
                                                            l  Star topology, Ring topology and Bus topology
       dung, human sewage or crop residues in an air-
       tight container is rich in Methane.                     are a valid network topology.
                                                            l  The theme for 2016 World Environment Day was
Biology                                                        “Zero Tolerance for the Illegal Wildlife trade “.
    l  TMV virus was the first virus to be crystallized     l  Ardha Satya – a Hindi film was directed by
                       Success Tip                             Govind Nihlani.
 Beijerinck coined the term of “virus” to indicate that     l  The “3-State Red Corridor” a safe passage is
 the causal agent of tobacco mosaic disease was of             known for the activity of Maoist’s. These States
 non-bacterial nature. Tobacco mosaic virus was                are Chhattisgarh, Odisha and Jharkhand.
 the first virus to be crysta-llized. It was achieved by    l  Aadesh Shrivastava was a famous singer of Bol-
 Wendell Meredith Stanley in 1935 that also showed             lywood, died at the age of 51 year.
 that TMV remains active even after crystallization         l  correctly matched
    l Tortoise lives usually for 100 years.
                                                               Line of Actual Control (LAC) — China-India
    l A dead and protective animal structure is Nails
                                                               Line of Control (LOC) — Pakistan- India
       and claws.
                                                               Ancient Trade Route (ATR) — Ladakh- Yarkand
    l Urobiology deals with preservation of dead an-
       imals.                                                  Indus Water Treaty (IWT) — India-Pakistan
                                                     SGPE-113