Friday 30 May 2014

TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 16

TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 16

376.    Which of the following is the test for histochemical characterization of carbohydrates?
            A)        Mercuric bromosphenol blue method
B)        Best carmine method
C)        Periodic acid - Schiff method
D)        Sudan black - B method








Answer: (B)







377.    Match List - I with List - II and select the correct answer using the
codes given below:
            List - I                                                 List  - II
            a)         Vitamin A                                           1.  Antorachitic
            b)         Vitamin B                                           2.  Antisterilitic
            c)         Vitamin D                                          3.  Antixerophthalmic
d)         Vitamin E                                           4.  Antineuritic
             
Codes:
                        a          b          c          d
            A)        3          4          1          2
            B)        2          3          4          1
            C)        4          2          3          1
            D)        3          1          2          4








Answer: (A)







378.    Match List - I with List - II and select the correct answer using the
codes given below:
            List - I                                          List  - II
            a)         Free martins                          1.  Spemann
            b)         Organizers                              2.  Steptoe and Edwards
            c)         Rh - factors                            3.  Lillie
d)         Test tube babies                   4.  Landsteiner and Wiener
             
Codes:
                        a          b          c          d
            A)        2          1          4          3
            B)        3          2          1          4
            C)        4          1          2          3
            D)        3          1          4          2








Answer: (D)








379.    The phenomenon where animals undergo dormancy to escape from
            excessive heat is called
            A)        Diapause                               B)        Aestivation
C)        Hibernation                           D)        Cyclomorphosis







Answer: (B)








380.    The number of segments in leech is
            A)        26                                            B)        33
C)        44                                            D)        120








Answer: (B)








381.    Which one of the sponges is harmful to the Oyster industry?
            A)        Spongilla                               B)        Hylonema
C)        Euspongia                            D)        Cliona








Answer: (D)








382.    Terrestrial insects produce
            A)        Urea                                       B)        Ammonia
C)        Hippuric acid                        D)        Uric acid








Answer: (D)








383.    The most valuable pearl is produced by
            A)        Mytilus                                   B)        Unio
C)        Meleagrina                            D)        Ostrea Virginiana








Answer: (B)








384.    Mark the correct one :
A)        Miracidium, Sporocyst, Cercaria, Redia, Metacercaria
B)        Cercaria, Sporocyst, Redia, Miracidium, Metacercaria
C)        Miracidium, Sporocyst, Redia, Cercaria, Metacercaria
D)        Cercaria, Sporocyst, Miracidium, Redia, Metacercaria








Answer: (C)








385.    Glochidium is the larva of
            A)        Aurelia                                   B)        Fresh water mussel
C)        Prawn                                    D)        Sponge








Answer: (B)








386.    Haversian canals are found in
            A)        Cartilages
B)        Water vascular system
C)        Long bones of mammals
D)        Spinal cord








Answer: (D)








387.    Adenophysis is a part of
            A)        Kidney                                   B)        Pituitary
C)        Pancreas                               D)        Thyroid








Answer: (B)








388.    Consider the statements:
            I.          Mitochondria produce adenosine triphosphate
            II.         Mitochondria produce adenosine diphosphate
            III.        Mitochondria produce glucose
            IV.       Mitochondria produce proteins

            Of the statements :
            A)        I alone is correct
            B)        I and II are correct
C)        I,II and III are correct
D)        All are correct








Answer: (C)




TNPSC GROUP – I Exam-1996
(Preliminary Exam-Original Question paper)

389.    Consider the statements:
            X - rays
            I.          are not electromagnetic radiations.
            II.         are electromagnetic radiations
            III.        have longer wavelengths
            IV.       have shorter wavelengths

            Of these :
            A)        I and III are correct
            B)        I and IV are correct
C)        II and IV are correct
D)        II and III are correct








Answer: (C)








390.    Consider the statements:
            Gemini is
            I.          a kind of flower
            II.         a planet
            III.        a twin star
            IV.       the third sign of the Zodiac

            Of the statements:
            A)        III and IV are correct
            B)        I only is correct
C)        II only is correct
D)        III only is correct








Answer: (D)







391.    Which one of the following is correctly matched?
            A)        Radar             -  to measure the intensity of radiation
            B)        Pulsar            -  to measure the pulse of human beings
C)        Sonar             - for locating the submerged objects
D)        Quasar           -  to measure the energy of a quantum








Answer: (C)






392.    Which one of the following waves / rays are produced by nuclear
            changes in the atom?
            A)        Infrared rays                          B)        Light waves
C)        X-rays                                     D)        g-rays








Answer: (D)








393.    Artificial satellites are used for
            A)        TV transmission
            B)        detecting minerals
C)        space research
D)        All the above








Answer: (D)








394.    Sound travels at maximum speed in
            A)        Vacuum                                 B)        Air
C)        Water                                    D)        Steel








Answer: (D)








395.    The minimum length of a plane mirror in which a person can see
            himself full length should be
A)        equal to the person’s height
B)        slightly more than his height
C)        nearly half of his height
D)        nearly one- fourth of his height







Answer: (C)




396.    Match List - I with List - II and select the correct answer using the
codes given below:
            List - I                               List  - II
            a)         Bohr                           1.  Neutron
            b)         Organizers                 2.  Model of the hydrogen atom
            c)         Chadwick                   3.  Matter waves
d)         de-Broglie                  4.  Photoelectric Effect
             
Codes:
                        a          b          c          d
            A)        2          4          3          1
            B)        1          3          2          4
            C)        2          4          1          3
            D)        3          2          4          1








Answer: (C)







397.    If you walk towards a plane mirror at a speed of 10 cm/s, at what
            speed does your image approach you?
            A)        5 cm/s
B)        10 cm/s
C)        20 cm/s
D)        information inadequate








Answer: (B)








398.    The normal temperature of human body on the Kelvin scale is
A)        280                                         B)        290
C)        310                                         D)        340








Answer: (D)








399.    Consider the following statements:

Assertion  (A)   :  Heavy water (D2O) could speed up the eradication of Polio and other viral diseases
Reason (R)    :  It could help by protecting polio vaccine from the effects of tropical heat since it helps vaccines to keep cool.

Now select the answer according to the coding scheme given below:
  A)        Both (A) and (R) are true and (R) is the correct explanation of (A)
  B)        Both (A) and (R) are true but (R) is not the correct explanation of (A)
 C)        (A) is true, but (R) is false
   D)        (A) is false, but (R) is true








Answer: (D)








400.    Consider the following statements:
Assertion  (A)  :  The relay satellite transmits the TV programme  continuously from one  part of the world to another.
Reason (R)    :  Its period is less than period of rotation of earth

Now select the answer according to the coding scheme given below:
 A)  (A) is false but (R) is true
 B)  Both (A) and (R) are true but (R) is not the correct explanation of (A)
C)   Both (A) and  (R) are false
D)   (A) is true, but (R) is false









Answer: (D)

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