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 among the following minerals is also known as Horn Silver?
[A] Silver Iodide
[B] Silver Chroride
[C] Zinc Phosphate
[D] Silver Sulphide

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2. Which of the following would come in use to treat diseased skin surfaces?
[A] Analgesics
[B] Antiseptics
[C] Antihistamines
[D] None of the above

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

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4. Which gas is major contributor to greenhouse effect?

[A] Chloroflurocarbon
[B] Nitrogen dioxide
[C] Sulphur dioxide
[D] Carbon dioxide

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5. Grey hair is caused due to
____:
[A] Aging of epidermal cells
[B] Death of dermal cells
[C] Loss of sebum in epidermal cells
[D] Loss of melanin in epidermal cells

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6. Consider the following statements about how plants absorb nitrogen:

  1. Plants absorb nitrogen in the form of inorganic nitrates or nitrites.
  2. Plants take in nitrogen in the form of organic compounds.
  3. Nitrogen is directly taken up by the plants from the atmosphere.

Which of the above statements is / are correct?

[A] Only 1 and 2
[B] Only 1 and 3
[C] Only 2 and 3
[D] All of these

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7. An Antigen is ____:
[A] The result of Antibody
[B] The stimulus for Antibody formation
[C] The opposite of Antibody
[D] The residue of an Antibody

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8. Penicillin is extracted from ____:
[A] Yeast
[B] Lichen
[C] Algae
[D] Fungus

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9. What is the transplantation of graft between genetically identical individuals?
[A] Autograft
[B] Xenograft
[C] Iso-graft
[D] Allograft

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10. The connective tissue that connects a muscle to a bone is _____:
[A] Cartilage
[B] Ligament
[C] Interstitial fluid
[D] Tendon

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