Subject

General Awareness

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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51.

What is the chemical name of vinegar?

  • Citric acid

  • Acetic acid

  • Pyruvic acid

  • Malic acid


B.

Acetic acid

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52.

Which of the following is not a property of heavy water?

  • Boiling point of heavy water is lower than that of ordinary water

  • Density of heavy water is higher than that of ordinary water

  • Freezing point of heavy water is higher than that of ordinary water

  • It produces corrosion

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53.

In which of the following processes is energy released?

  • Respiration

  • Photosynthesis

  • Ingestion

  • Absorption

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54.

Animals living in the tree trunks are known as

  • arboreal

  • volant

  • amphibious

  • aquatic

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55.

Plasma membrane in eukaryotic cells is made up of

  • phospholipid

  • lipoprotein

  • phospholiproprotein

  • phosphoprotein

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56.

Which one of the following is also called the 'power plants' of the cell?

  • Golgi body

  • Mitochondrion

  • Ribosome

  • Lysosome

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57.

The modulus of rigidity is the ratio of

  • longitudinal stress to longitudinal strain

  • volume stress to volume strain

  • shearing stress to shearing strain

  • tensile stress to tensile strain

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58.

The propagation of sound waves in a gas involves

  • adiabatic compression and rarefaction

  • isothermal compression and rarefaction

  • isochoric compression and rarefaction

  • isobaric compression and rarefaction

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59.

An atomic clock is based on transitions in

  • sodium

  • caesium

  • magnesium

  • aluminium

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60.

A concave lens always forms an image which is

  • real and erect

  • virtual and erect

  • real and inverted

  • virtual and inverted

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