General Science Practice Question and Answer

Q:

The disease caused by virus is 

816 0

  • 1
    Typhoid
    Correct
    Wrong
  • 2
    Malaria
    Correct
    Wrong
  • 3
    Rabies
    Correct
    Wrong
  • 4
    Diarrhoea
    Correct
    Wrong
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Answer : 3. "Rabies "

Q:

Being a highly reactive element, it is not found in free state in nature.

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  • 1
    iron
    Correct
    Wrong
  • 2
    sodium
    Correct
    Wrong
  • 3
    aluminum
    Correct
    Wrong
  • 4
    magnesium
    Correct
    Wrong
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Answer : 2. "sodium"
Explanation :

Sodium is a highly reactive element and is not found in its free state in nature due to its high reactivity. It readily reacts with other elements and compounds, forming various salts and minerals. Sodium is commonly found in the Earth's crust and in seawater as compounds, such as sodium chloride (table salt).


Q:

Complete the reaction:

Calcium hydroxide + carbon dioxide → _________ + water

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  • 1
    Calcium
    Correct
    Wrong
  • 2
    Calcium bicarbonate
    Correct
    Wrong
  • 3
    Calcium oxide
    Correct
    Wrong
  • 4
    Calcium carbonate
    Correct
    Wrong
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Answer : 4. "Calcium carbonate "

Q:

The Chief of the Indian Navy has the rank of–

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    General of Indian Navy
    Correct
    Wrong
  • 2
    Chief of Indian Navy
    Correct
    Wrong
  • 3
    Naval Chief
    Correct
    Wrong
  • 4
    Admiral
    Correct
    Wrong
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Answer : 4. "Admiral "
Explanation :

An Admiral of the fleet is a military naval officer of the highest rank. In many nations, the rank is reserved for wartime of ceremonial appointments. It is usually a rank above admiral (which is now usually the highest rank in peace-time for officers in active service) and is often held by the most senior admiral of an entire naval sevice.

Q:

Which metal is used to Galvanize iron?

804 0

  • 1
    Copper
    Correct
    Wrong
  • 2
    Zinc
    Correct
    Wrong
  • 3
    Tin
    Correct
    Wrong
  • 4
    Nickel
    Correct
    Wrong
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Answer : 2. "Zinc"

Q:

What is the mirror used in the headlight of vehicles?

803 0

  • 1
    convex mirror
    Correct
    Wrong
  • 2
    concave mirror
    Correct
    Wrong
  • 3
    plane mirror)
    Correct
    Wrong
  • 4
    ordinary mirror
    Correct
    Wrong
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Answer : 2. "concave mirror"

Q:

By whom pollination takes place in fragrant flowers?

803 1

  • 1
    Wind
    Correct
    Wrong
  • 2
    Water
    Correct
    Wrong
  • 3
    Bird
    Correct
    Wrong
  • 4
    Insect
    Correct
    Wrong
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Answer : 4. "Insect"
Explanation :

Fragrant flowers attract pollinators like bees, butterflies, and birds with their pleasant scent. These pollinators visit the flowers to feed on nectar or collect pollen. During their visits, they unintentionally transfer pollen from one flower to another, facilitating pollination. This process enables the plant to reproduce and produce seeds. Different plants rely on specific pollinators, ensuring their reproductive success and genetic diversity within the ecosystem.

Q:

Which plant has seed but no fruit?

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  • 1
    Almond
    Correct
    Wrong
  • 2
    Sykes
    Correct
    Wrong
  • 3
    Groundnut
    Correct
    Wrong
  • 4
    Reed
    Correct
    Wrong
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Answer : 2. "Sykes"
Explanation :

Certain plants, like gymnosperms, produce seeds but lack fruits. Gymnosperms, including pine trees and cycads, have exposed seeds on cone scales, distinguishing them from angiosperms, which produce seeds enclosed within fruits. The absence of a fruit covering the seed is a characteristic feature of gymnosperms, a group of seed-producing plants.

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