Basic Science Practice Question and Answer

Q:

Which of the following acids is used in car batteries?

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  • 1
    Nitric acid
    Correct
    Wrong
  • 2
    Hydrochloric acid
    Correct
    Wrong
  • 3
    Sulphuric acid
    Correct
    Wrong
  • 4
    Hydrofloric acid
    Correct
    Wrong
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Answer : 3. "Sulphuric acid"
Explanation :

sulphuric acid is used in car batteries.

Q:

Reading of a barometer going down is an indication of

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  • 1
    rainfall
    Correct
    Wrong
  • 2
    snow
    Correct
    Wrong
  • 3
    storm
    Correct
    Wrong
  • 4
    intense heat
    Correct
    Wrong
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Answer : 1. "rainfall"
Explanation :

Low pressure – when reading of the barometer is lower than inHg, this is considered as low air pressure, which is associated with warm air and rainstorm. So, clearly, a falling barometer indicates bad weather is ahead.


Q:

The instrument used to examine a person’s digestive tract is called_____.

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  • 1
    Oscilloscope
    Correct
    Wrong
  • 2
    Microscope
    Correct
    Wrong
  • 3
    Endoscope
    Correct
    Wrong
  • 4
    Radiograph
    Correct
    Wrong
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Answer : 3. "Endoscope"
Explanation :

A flexible tube called an endoscope is used to view different parts of the digestive tract. When passed through the mouth (as shown on the left), an endoscope can be used to examine the esophagus, stomach, and some of the small intestine.


Q:

World Environmental Day is celebrated every year on:

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  • 1
    5 May
    Correct
    Wrong
  • 2
    5 June
    Correct
    Wrong
  • 3
    5 July
    Correct
    Wrong
  • 4
    18 July
    Correct
    Wrong
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Answer : 2. "5 June"
Explanation :

World Environment Day is celebrated on June 5 every year to remind people to save nature and the earth by stopping their non-environmentally friendly activities. Let's know more about this day, its history, significance, and theme.

Q: The man who is specialist in wine making is called as ? 4335 3

  • 1
    Wenologist
    Correct
    Wrong
  • 2
    Grapologist
    Correct
    Wrong
  • 3
    Oenologist
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Oenologist"
Explanation :

Answer: C) Oenologist Explanation: Oenology is the science and study of wine and winemaking. So person who is specialist in that is called as Oenologist.

Q:

Which of the gas is not known as green house gas?

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  • 1
    Methane
    Correct
    Wrong
  • 2
    Hydrogen
    Correct
    Wrong
  • 3
    Nitrous oxide
    Correct
    Wrong
  • 4
    Carbon dioxide
    Correct
    Wrong
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Answer : 2. "Hydrogen"
Explanation :

Whereas oxygen, nitrogen, and argon are not examples of greenhouse gases.


Q:

In the following that is not related to gases low.

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  • 1
    Boyle’s law
    Correct
    Wrong
  • 2
    Avogadro’s law
    Correct
    Wrong
  • 3
    Len'z law
    Correct
    Wrong
  • 4
    Charles’s law
    Correct
    Wrong
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Answer : 3. "Len'z law"

Q:

Tungsten resistance to temperature rise?

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  • 1
    decreases
    Correct
    Wrong
  • 2
    increases
    Correct
    Wrong
  • 3
    there is no change
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 2. "increases"
Explanation :

At high temperatures, the tungsten filament gets hot and atoms in the filament vibrate more. The electrons in the current now collide more with the atoms & more energy is needed to push the current through the filament. Hence, the resistance of tungsten increases with temperature.

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