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. A Gold Ring which is 50% pure. Its purity can be alternatively shown as __:
[A] 18 Carat
[B] 18 Karat
[C] 12 Carat
[D] 12 Karat

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2. 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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3. Which of these elements do not belong to the same group?
[A] Nickel
[B] Platinum
[C] Darmstadtium
[D] Roentgenium

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4. Seaweeds are an important source of which of the following?
[A] Iron
[B] Chlorine
[C] Bromine
[D] Iodine

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5. In winter, at the time of hibernation, Toads maintain breathing through ____:
[A] Lungs
[B] Skin
[C] Both by Skin and Lungs
[D] Buccal cavity

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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. Which of the following statement is incorrect?
[A] Each sperm is a single cell
[B] Oviparous animal does not give birth to young ones
[C] External fertilisation takes place in frog
[D] Fertilisation is necessary even in asexual reproduction

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8. The colour change in the Chameleon is due to the presence of ____:
[A] Chromatophore
[B] Haemoglobin
[C] Chlorophyll
[D] Pneumatophore

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9. Which of the following acids is synthesized in human stomach?
[A] Hydrochloric acid
[B] Sulphuric acid
[C] Nitric acid
[D] Phosphoric acid

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10. In which of the following animals, is open circulatory system found?
[A] Prawn
[B] Earthworm
[C] Toad
[D] Man

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