TNPSC Exam-GROUP- IV - Subject wise analysed Previous Year questions and Answers-Science-Part-5

TNPSC Exam-GROUP- IV - Subject wise analysed Previous Year questions and Answers-Science-Part-5

(Typist  Exam – 2008)

99.       Which of the following is a complex tissure?

            A)        Phloem                             B)        Parenchyma

            C)        Collenchyma                   D)        Chorenchyma

Ans : (A)

100.    The branch of Botany which deals with the study of fungi  is called

            A)        Mycology                               B)        Cytology

            C)        Microbiology                         D)        Alchology

Ans : (A)

101.    Pollination by animal is known as

            A)        Animophily                            B)        Ornithophily

            C)        Endomophily                        D)        Zoophily

Ans : (D)

102.    After fertilization the integument develops into

            A)        Seed coat                              B)        Endosperm

            C)        Microphil                                D)        Rafae

Ans : (A)

103.    Protein deficiency disease is

            A)        Dysentry                                B)        Anarexia Nervosa

            C)        Scurvey                                 D)        Marasmus

Ans : (D)

104.    Escherichia coli is a 

            A)        Virus                                       B)        Bacterium

            C)        Protozoa                                D)        Microwarm

Ans : (B)

105.    In mammalian, egg, yolk is absent. This type is called. … egg.

            A)        Alecithal                                B)        Microlecithal

            C)        Mesolecithal                         D)        Clytoik

Ans : (A)

106.    Bacteriophage is a 

            A)        Virus                                       B)        Fungus

            C)        Bacterium                              D)        Tapewarm

Ans : (A)

107.    Chromosomes are structures seen in the 

            A)        Chytoplasam                      B)        Mitocantria

            C)        Nucleus                               D)        Ribosome

Ans : (C)

108.    The yellowing of leaf is caused by the deficiency of

            A)        Fe                    B)        Cu

            C)        Co                   D)        Zn

Ans : (A)

109.    Which of the following is used as a fungicide ?

            A)        Carbon                                  

B)        Carbon tetrachloride

            C)        Sulphur

            D)        Copper

Ans : (B)

110.    The carbohydrate present in milk is 

            A)        Sucrose                                 B)        Gulcose

            C)        Lactose                                  D)        Fractose

Ans : (C)

111.    The source of Tartaric acid is

            A)        Vinegar

B)        Lemon Juice

            C)        Grapes                      

            D)        Milk

Ans : (C)

112.    In a Camera for a stationary object the shutter speed is

            A)        1/30 s

B)        1/60 s

            C)        1/125 s                                  

D)        1/250 s

Ans : (B)

113.    When water solidifies to ice

            A)        heat is absorbed

B)        heat is released

            C)        heat is increased                

D)        heat is decreased

Ans : (B)

114.    The wavelength range of infrared raysis

            A)        10⁷m to 7.8 x 10³ m

B)        10 ^-7m to 7.8 x 10^-3 m

            C)        10 ^-3m to 7.8 x 10^-7 m

            D)        10 ³ m to 7.8 x 10⁷ m

Ans : (C)

115.    Raindrops assume spherical shape due to

            A)        Gravity force

B)        Surface tension

            C)        Centrefugal force

D)        Viscosity

Ans : (B)

116.    2n² formula was given by

            A)        Rutherford

B)        Cottesinu

            C)        Bohr-Bury

D)        Chadwick

Ans : (C)

117.    The value of ionic product of water at 298 K is

            A)        1 x 10^-7 mol² L ^-2

B)        1 x 10^-14 mol² L ^-2

            C)        1 x 10¹⁴ mol² L ^-2

D)        1 x 10⁷ mol² L ^-2

Ans : (B)

118.    The enzyme which converts glucose into ethyl alcohol is

            A)        Dyastase                   B)        Invertase

            C)        Zymase                      D)        Maltase

Ans : (C)

119.    Sodium salts of fatty acids are

            A)        Hard soap                  B)        Soft soap

            C)        Path soap                  D)        Facial soap

Ans : (A)

120.    Which of the following concentrated acid mixtures is used to prepared aquaregia?

            A)        HCI + H₂SO₄

B)        HCI + HNO₃

C)        HNO₃ + H₂SO₃

            D)        HCI + H₃PO₄

Ans : (B)