CSS General Science and Ability Paper 2010 Solved MCQs

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1. The usual raw material for ceramics, generally found beneath the top soil is?

A. Sand

B. Melamine

C. Plaster of Paris

D. Slit

E. Clay

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2. The structure of DNA was elaborated by Watson and Crick in:

A. 1909

B. 1945

C. 1923

D. 1953

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3. Polyamides are synthetic polymers commonly known as:

A. Nylon

B. Synthetic rubber

C. Protein

D. Cellulose

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4. Man belongs to the family:

A. Mammalia

B. Hominidae

C. Felidae

D. Primataceae

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5. Boiling of an egg is a change which is:

A. Physical

B. Chemical

C. Morphological

D. Physiological

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6. Information can be stored in:

A. Floppy and compact disks

B. Audio and video cassettes

C. Hard disks

D. All of these

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7. Ice can be changed to water by:

A. Destroying the atoms in water molecules

B. Rearranging the atoms in water molecules

C. Adding more water molecules

D. Changing the motion of the water molecules

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8. The cytoplasm consists of several types of structures, which are called:

A. Organelles

B. Cytochromes

C. Nucleus

D. Protoplasm

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9. Which one of the following is an alkali?

A. Vinegar

B. Slaked lime

C. Lemon juice

D. Water

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10. Chemicals used to kill weeds are called as:

A. Insecticides

B. Fungicides

C. Fumigants

D. Herbicides

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11. Computers can:

A. Add and subtract but cannot sort information

B. Add and subtract information only.

C. Add subtract sort and classify information.

D. Add, subtract and sort information only.

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12. If an alkali is slowly added to an acidic solution, the pH of the acidic solution will:

A. Increase to 7 and then decrease

B. Increase

C. Decrease

D. Will remain same

E. Decrease to 7 and then increase

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13. In a DNA molecules, the rule for base pairing is:

A. Adenine always bound with cytosine and thymine with guanine

B. Adenine always bound with thymine and cytosine with guanine

C. Adenine always bound with guanine and cytosine with thymine

D. Adenine always bound with uracil and cytosine with guanine

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14. Telephone was invented in 1876 in America by:

A. Graham Bell

B. John Beard

C. Marconi

D. Galileo

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15. Information can be sent over long distances in the form of:

A. Radio waves through air

B. Light signals through optical fibers

C. Any combination of these three

D. Electrical signals through wires

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16. IBM stands for:

A. International Business Machines

B. Interrelated Big Machines

C. Interrelated Business Machines

D. International Big Machines

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17. Deficiency of vitamin C in human body causes a deficiency disease called:

A. Beriberi

B. Scurvy

C. Night blindness

D. Rickets

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18. The building blocks of elements are called:

A. Atoms

B. Compounds

C. Molecules

D. Isotopes

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19. To measure the specific gravity of milk, the instrument used is:

A. Hydrometer

B. Lactometer

C. Hygrometer

D. Barometer

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20. The temperature of liquid nitrogen is:

A. -80°C

B. -32°C

C. -196°C

D. -100°C

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