General Science Questions (MCQs) for Competitive Examinations

General Science Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

1. Which of the following are used as chemical agents in war?

  1. Mustard Gas
  2. Phosgene
  3. Sarin
  4. VX

Select the correct option from codes given below:

[A] 1 & 3 Only
[B] 1, 3 & 4 Only
[C] 2 & 4 Only
[D] 1, 2, 3 & 4

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2. Which of the following gases helps in bread/cake fermentation so as to make it soft and spongy?
[A] Carbon Monoxide
[B] Hydrogen
[C] Carbon Dioxide
[D] Oxygen

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3. Which one of the following is commonly known as Pond Silk?
[A] Yeast
[B] Rhizopus
[C] Ulothrix
[D] Spirogyra

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4. Which of the following brings back deoxygenated blood from different parts of human body to heart?
[A] Veins
[B] Arteries
[C] Nerves
[D] Lungs

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5. Uric acid is the chief nitrogenous wastes in ____:
[A] Frogs
[B] Birds
[C] Fishes
[D] Mankind

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6. Which of the following is/are agent(s) of infection?

[A] Physical contact
[B] Water
[C] Vectors
[D] All of the above

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7. If in any water Body, there is high BOD value then it is generally ____:
[A] Very clean
[B] Highly productive
[C] Very polluted
[D] Highly unproductive

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8. BCG is vaccine meant for protection against which of the following diseases?
[A] Tuberculosis
[B] Mumps
[C] Tetanus
[D] Leprosy

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9. Cuscuta is a ____:
[A] Complete stem parasite
[B] Partial root parasite
[C] Partial stem parasite
[D] Complete root parasite

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10. The part of the stem where a leaf arises is known as ___:
[A] Carpel
[B] Bud
[C] Node
[D] Tuber

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