CSS General Science and Ability Paper 2010 Solved MCQs

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

A. 1923

B. 1909

C. 1953

D. 1945

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2. IBM stands for:

A. International Business Machines

B. Interrelated Big Machines

C. Interrelated Business Machines

D. International Big Machines

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3. Computers can:

A. Add, subtract and sort information only.

B. Add subtract sort and classify information.

C. Add and subtract information only.

D. Add and subtract but cannot sort information

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

A. Rickets

B. Night blindness

C. Beriberi

D. Scurvy

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5. Man belongs to the family:

A. Felidae

B. Hominidae

C. Primataceae

D. Mammalia

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6. The building blocks of elements are called:

A. Isotopes

B. Molecules

C. Compounds

D. Atoms

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

A. Hygrometer

B. Hydrometer

C. Lactometer

D. Barometer

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8. 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 uracil and cytosine with guanine

C. Adenine always bound with thymine and cytosine with guanine

D. Adenine always bound with guanine and cytosine with thymine

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

A. Organelles

B. Protoplasm

C. Cytochromes

D. Nucleus

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

A. Physical

B. Chemical

C. Morphological

D. Physiological

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11. Telephone was invented in 1876 in America by:

A. John Beard

B. Graham Bell

C. Marconi

D. Galileo

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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 to 7 and then increase

D. Decrease

E. Will remain same

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

A. Electrical signals through wires

B. Light signals through optical fibers

C. Radio waves through air

D. Any combination of these three

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14. Ice can be changed to water by:

A. Changing the motion of the water molecules

B. Rearranging the atoms in water molecules

C. Destroying the atoms in water molecules

D. Adding more water molecules

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15. Information can be stored in:

A. All of these

B. Floppy and compact disks

C. Audio and video cassettes

D. Hard disks

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16. Polyamides are synthetic polymers commonly known as:

A. Synthetic rubber

B. Protein

C. Cellulose

D. Nylon

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17. The temperature of liquid nitrogen is:

A. -32°C

B. -196°C

C. -80°C

D. -100°C

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18. Which one of the following is an alkali?

A. Lemon juice

B. Vinegar

C. Slaked lime

D. Water

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19. Chemicals used to kill weeds are called as:

A. Fumigants

B. Fungicides

C. Insecticides

D. Herbicides

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

A. Clay

B. Plaster of Paris

C. Melamine

D. Sand

E. Slit

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