General Science Questions Practice Question and Answer

Q:

Which one of the following is not correctly matched?

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  • 1
    DPT - Vaccine
    Correct
    Wrong
  • 2
    DOTS - Tuberculosis
    Correct
    Wrong
  • 3
    Adrenaline - Hormone
    Correct
    Wrong
  • 4
    AB+ Blood group - Universal Donor
    Correct
    Wrong
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Answer : 4. "AB+ Blood group - Universal Donor "
Explanation :

All of the following are matched. 

(A) DPT - Vaccine

(B) DOTS - Tuberculosis 

(C) Adrenaline - Hormone

Q:

In which year did Rudolf Virchow published an essay titled ‘Cellular Pathology’ in which he famously declared that "every cell arises from another cell”?

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  • 1
    1865
    Correct
    Wrong
  • 2
    1835
    Correct
    Wrong
  • 3
    1845
    Correct
    Wrong
  • 4
    1855
    Correct
    Wrong
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Answer : 4. "1855"
Explanation :

n 1855, at the age of 34, he published his now famous aphorism “omnis cellula e cellula” (“every cell stems from another cell”). With this approach Virchow launched the field of cellular pathology. He stated that all diseases involve changes in normal cells, that is, all pathology ultimately is cellular pathology.

Q:

INS Virat serves the Indian Navy. It is a– 

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  • 1
    Submarine
    Correct
    Wrong
  • 2
    Gunboat
    Correct
    Wrong
  • 3
    Aircraft carrier
    Correct
    Wrong
  • 4
    Freighter
    Correct
    Wrong
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Answer : 3. "Aircraft carrier "
Explanation :

INS Virat is a Centaur class aircraft carrier currently in service with the Indian Navy. INS Virat is the flagship of the Indian Navy the oldest carrier in service. Virat is currently the second largest ship in the Indian Navy after the INS Jyoti Viraat was completed and commissioned in 1959 as the Royal Navy’s HMS Hermes and was transferred to India in 1987.

Q:

What is the average life of Red blood cells in the human body?

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  • 1
    Around 120 days
    Correct
    Wrong
  • 2
    Around 270 days
    Correct
    Wrong
  • 3
    Around 300 days
    Correct
    Wrong
  • 4
    Equivalent to human’s life
    Correct
    Wrong
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Answer : 1. "Around 120 days "
Explanation :

1. The average life of red blood cells in the human body is 120 days. This is the time it takes from the formation of red blood cells until they flow in the blood. Red blood cells are made in the bone marrow and then they are shed into the blood. While flowing in the blood, red blood cells carry oxygen from the lungs to the rest of the body and carry carbon dioxide from the rest of the body to the lungs.

Q:

By what metabolic process in the kitchen can you make food like curd, paneer and sauerkraut?

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  • 1
    Pasteurisation
    Correct
    Wrong
  • 2
    Fermentation
    Correct
    Wrong
  • 3
    Condensation
    Correct
    Wrong
  • 4
    Steaming
    Correct
    Wrong
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Answer : 2. "Fermentation"
Explanation :

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.

Q:

Bronze is an alloy of?

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  • 1
    Copper & Lead
    Correct
    Wrong
  • 2
    Copper & Tin
    Correct
    Wrong
  • 3
    Copper & Silver
    Correct
    Wrong
  • 4
    Copper & Zinc
    Correct
    Wrong
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Answer : 2. "Copper & Tin"

Q:

Which of the following is the smallest bird in the world?

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  • 1
    Finch
    Correct
    Wrong
  • 2
    Diamond Firetail
    Correct
    Wrong
  • 3
    Bee Hummingbird
    Correct
    Wrong
  • 4
    Robin
    Correct
    Wrong
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Answer : 3. "Bee Hummingbird"

Q:

The deterioration of materials by a chemical reaction with their environment is called _______. 

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  • 1
    reduction
    Correct
    Wrong
  • 2
    neutralization
    Correct
    Wrong
  • 3
    crystallization
    Correct
    Wrong
  • 4
    corrosion
    Correct
    Wrong
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Answer : 4. "corrosion"

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