General Science Questions Practice Question and Answer

Q:

In the format of the IUPAC name of the organic compound, the term ‘Root’ is used to represent:

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    the number of carbon atoms in the parent chain
    Correct
    Wrong
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    the presence of side chains or substituent groups
    Correct
    Wrong
  • 3
    functional groups that may be present in the compound
    Correct
    Wrong
  • 4
    the cyclic or acyclic nature of the given compound
    Correct
    Wrong
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Answer : 1. "the number of carbon atoms in the parent chain"
Explanation :

The Word root indicates the total number of carbon atoms present in the longest carbon chain belonging to the compound For example, 'Meth' refers to a chain with 1 carbon atom and 'Pent' refers to a chain with 5 carbon atoms. metalloid in dictionary chemical name is Naoh. Nylon properties: Atomic number of iodine. Dobereiner Traids an Atomic compound.

Q:

Burns caused by steam are much more severe than those caused by boiling water because-

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    Steam pierces through the pores of body quickly
    Correct
    Wrong
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    Steam has latent heat
    Correct
    Wrong
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    Temperature of steam is higher
    Correct
    Wrong
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    Steam is gas and engulfs the body quickly
    Correct
    Wrong
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Answer : 3. "Temperature of steam is higher"

Q:

When a soap bubble is charged then- 

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    it does not undergo any change in size
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    it contracts
    Correct
    Wrong
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    it expands
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "it expands "

Q:

Optical fibres are mainly used in?

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    Musical Instruments
    Correct
    Wrong
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    Food Industry
    Correct
    Wrong
  • 3
    Communication
    Correct
    Wrong
  • 4
    Weaving
    Correct
    Wrong
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Answer : 3. "Communication"

Q:

Pancreatic juice contains which enzyme that breaks down emulsified fats?

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    Lipase
    Correct
    Wrong
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    Pepsin
    Correct
    Wrong
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    Trypsin
    Correct
    Wrong
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    Amylase
    Correct
    Wrong
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Answer : 1. "Lipase"
Explanation :

1. Pancreatic juice contains a lipase enzyme, which decomposes emulsified fats.

2. Lipase: It is an enzyme found in pancreatic juice and responsible for the breakdown of emulsified fats.

Q:

Who used the word histology for the first time?

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    Memon
    Correct
    Wrong
  • 2
    schleiden
    Correct
    Wrong
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    robert hook
    Correct
    Wrong
  • 4
    Mayor
    Correct
    Wrong
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Answer : 4. "Mayor"
Explanation :

The term "histology" was first used by the French physician Marie François Xavier Bichat, but it was popularized and introduced into English by the Swiss anatomist Karl Wilhelm von Nägeli in the early 19th century.


Q:

Which of the following materials has the least resistivity?

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    Copper
    Correct
    Wrong
  • 2
    Iron
    Correct
    Wrong
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    Carbon
    Correct
    Wrong
  • 4
    Brass
    Correct
    Wrong
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Answer : 1. "Copper "

Q:

It is possible to store pollen grains of a large number of species for year’s in-

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    Liquid hydrogen
    Correct
    Wrong
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    Liquid oxygen
    Correct
    Wrong
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    Solid hydrogen
    Correct
    Wrong
  • 4
    Liquid nitrogen
    Correct
    Wrong
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Answer : 4. "Liquid nitrogen "

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