General Science Practice Question and Answer

Q:

Which of the following is used as a coolant in nuclear reactors?

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  • 1
    calcium
    Correct
    Wrong
  • 2
    Graphite
    Correct
    Wrong
  • 3
    Heavy water
    Correct
    Wrong
  • 4
    Cadmium
    Correct
    Wrong
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Answer : 3. "Heavy water"

Q:

Organelle that aid in storage and secretion of chemical substances is _______.

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  • 1
    Ribosomes
    Correct
    Wrong
  • 2
    Golgi bodies
    Correct
    Wrong
  • 3
    Plastids
    Correct
    Wrong
  • 4
    Vacuoles
    Correct
    Wrong
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Answer : 2. "Golgi bodies"

Q:

What is the botanical name of mango?

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  • 1
    Mango
    Correct
    Wrong
  • 2
    Daucus carota
    Correct
    Wrong
  • 3
    Mangifera indica
    Correct
    Wrong
  • 4
    suitable all
    Correct
    Wrong
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Answer : 3. "Mangifera indica"
Explanation :

The botanical name of the mango is Mangifera indica. It is a species of flowering plant in the sumac and poison ivy family, Anacardiaceae. Mangoes are widely cultivated for their edible fruit and are native to South Asia but are now grown in many parts of the world.

Q:

In what form is phosphate found in bones?

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  • 1
    vitamin
    Correct
    Wrong
  • 2
    calcium
    Correct
    Wrong
  • 3
    Protein
    Correct
    Wrong
  • 4
    Energy
    Correct
    Wrong
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Answer : 2. "calcium"

Q:

Seismograph is an instrument used to ________.

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  • 1
    record strength of wind
    Correct
    Wrong
  • 2
    record lightening
    Correct
    Wrong
  • 3
    record temperature
    Correct
    Wrong
  • 4
    record vibraons of earthquake
    Correct
    Wrong
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Answer : 4. "record vibraons of earthquake"

Q:

The method of protecting iron from rusting, by coating a thin layer of Zinc is called:

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  • 1
    Oxydising
    Correct
    Wrong
  • 2
    Chlorofication
    Correct
    Wrong
  • 3
    Galvanizing
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Galvanizing "

Q:

What is the image formed by a plane mirror?

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  • 1
    real
    Correct
    Wrong
  • 2
    Dreamy
    Correct
    Wrong
  • 3
    Reverse
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Dreamy"
Explanation :

The image formed by a plane mirror (also known as a flat mirror) is called a "virtual image." A virtual image is an image that is not real but appears as if it were. It is formed behind the mirror, and it appears to be the same size as the object being reflected. This image is upright (erect) and reversed from left to right, but it is not a tangible object; it exists as a result of the way light rays reflect off the mirror's surface.

Q:

Read following statement carefully and answer which statement is not correct about Venus-

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  • 1
    Venus rotates west to east on its axis
    Correct
    Wrong
  • 2
    Venus is known as morning star
    Correct
    Wrong
  • 3
    it is the hottest planet of solar family as well as it is known as shining star.
    Correct
    Wrong
  • 4
    venus is known as Godess of love in Greek.
    Correct
    Wrong
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Answer : 1. "Venus rotates west to east on its axis"

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