Basic Science Practice Question and Answer

Q:

How many 'canine teeth' does an adult human have?

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  • 1
    8
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "4"

Q:

Where the Bio-chemical compounds are used? 

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  • 1
    Food preservatives
    Correct
    Wrong
  • 2
    Skin Treatments
    Correct
    Wrong
  • 3
    Cooking Oils
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above "

Q:

All green plants and certain blue-green algae which can produce food by photosynthesis are called the_____.

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  • 1
    Consumers
    Correct
    Wrong
  • 2
    Autotroph
    Correct
    Wrong
  • 3
    Decomposers
    Correct
    Wrong
  • 4
    Bacteria
    Correct
    Wrong
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Answer : 2. "Autotroph"
Explanation :

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Most autotrophs use a process called photosynthesis to make their food.

Q:

Mac number is related

1674 0

  • 1
    At the speed of sound
    Correct
    Wrong
  • 2
    At the speed of the ship
    Correct
    Wrong
  • 3
    At the speed of the plane
    Correct
    Wrong
  • 4
    At the speed of the spacecraft
    Correct
    Wrong
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Answer : 3. "At the speed of the plane"

Q:

Cat is more visible at night?

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  • 1
    By nature
    Correct
    Wrong
  • 2
    Due to the special texture of the pupil
    Correct
    Wrong
  • 3
    daytime sleep
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Due to the special texture of the pupil"

Q:

By which instrument the purity of milk is measured?

1663 0

  • 1
    Lactometer
    Correct
    Wrong
  • 2
    manometer
    Correct
    Wrong
  • 3
    Pyrometer
    Correct
    Wrong
  • 4
    Tachometer
    Correct
    Wrong
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Answer : 1. "Lactometer"

Q:

Mac Numbers are used in relation to velocity__.

1648 0

  • 1
    Sound
    Correct
    Wrong
  • 2
    Ship
    Correct
    Wrong
  • 3
    Aircraft
    Correct
    Wrong
  • 4
    Spacecraft
    Correct
    Wrong
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Answer : 3. "Aircraft"

Q:

Which acid is also known as the king of the acids?

1633 0

  • 1
    Hydrochloric acids
    Correct
    Wrong
  • 2
    Citric Acids
    Correct
    Wrong
  • 3
    Sulphuric Acids
    Correct
    Wrong
  • 4
    Acetic acids
    Correct
    Wrong
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Answer : 3. "Sulphuric Acids"

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