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Everyday Science 2011
Test - 6

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1.    Polyamides are synthetic polymers commonly known as?

a) Synthetic rubber
b) Nylon
c) Cellulose
d) Protein
e) None of these.
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2.    Telephone was invented in 1876 in America by?

a) Marconi
b) Galileo
c) John Beard
d) Edison
e) Graham Bell+.
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3.    Information can be sent over long distances in the form of?

a) Electrical signals through wires
b) Light signals through optical fibres
c) Radio waves through air
d) Any combination of these three+.
e) None of these
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4.    Information can be stored in?

a) Audio and video cassettes
b) Floppy and compact discs
c) Hard disks
d) Laser and optical disks
e) All of these four
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5.    Computers can?

a) Add and subtract information only.
b) Add subtract and sort information only+.
c) Add subtract sort and classify information.
d) Add and subtract but cannot sort information.
e) Add subtract and sort but cannot classify information.
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6.    IBM stands for?

a) International Business Machines
b) International Big Machines
c) Interrelated Business Machines
d) Interrelated Big Machines
e) None of these.
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7.    Chemicals used to kill weeds are called as?

a) Insecticides
b) Fungicides
c) Herbicides
d) Fumigants
e) None of these.
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8.    The cytoplasm consists of several types of structures, which are called?

a) Protoplasm
b) Nucleus
c) Cytochromes
d) Organelles
e) None of these.
9.    The structure of DNA was elaborated by Watson and Crick in?
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a) 1909
b) 1923
c) 1945
d) 1953
e) None of these.