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. What percentage of carbon is present in steel?
[A] 0.0 to 2.5
[B] 2.5 to 5.0
[C] 5.0 to 7.5
[D] 7.5 to 10.0

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3. Identify the process from the options below, which is a physical change?
[A] Oxidation
[B] Reduction
[C] Sublimation
[D] Decomposition

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4. What is the ultimate product of Glycolysis?
[A] Pyruvic acid
[B] Carbon dioxide
[C] Glucose
[D] Ethyl alcohol

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5. Flowers emit fragrance to ____:
[A] Drive away flies
[B] Purify air
[C] Attract insects
[D] All of the above

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6. In the grass lands, trees do not replace the grasses as a part of an ecological succession because of ____:
[A] Limited sun light and paucity of nutrients
[B] Insect and fungi
[C] Water limits and fire
[D] None of the above

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7. The main protein found in milk is ____:
[A] Globulin
[B] Globin
[C] Casein
[D] Albumin

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8. Bacteriophage was discovered by ____:
[A] Paul Ehrlich
[B] Burrill and Smith
[C] Felix D’Herelle and Frederick Twort
[D] Kluyver and Niel

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9. The pigment that gives human skin, hair and eyes their colour is called ____:
[A] Quinacridone
[B] Alizarin
[C] Melanin
[D] Phthalocyanine

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10. Which of the following processes are associated with plants during dark period?
[A] Respiration and transpiration
[B] Transpiration and conduction
[C] Photosynthesis and respiration
[D] Conduction and respiration

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