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 are the products of the reaction when metal carbonate reacts with an acid?
[A] Salt and Hydrogen
[B] Carbon dioxide
[C] Salt, Carbon dioxide and water
[D] Salt, Carbon dioxide and Hydrogen

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3. Which of the following celestial bodies contains abundant quantities of helium3 as a potential source of energy?
[A] Moon
[B] Earth
[C] Sun
[D] Mars

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4. Who discovered electron?
[A] J. chadwick
[B] Ernest Rutherford
[C] J.J.Thomson
[D] E.Goldstein

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

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6. The release of which of the following into ponds and wells helps in controlling mosquitoes?

[A] Snail
[B] Crab
[C] Dogfish
[D] Gambusia fish

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7. What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue?
[A] ATP
[B] Lactic acid
[C] Ethyl alcohol
[D] Carbon dioxide

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8. A molecule in plants comparable to haemoglobin in animals is ____:
[A] Carotene
[B] Chlorophyll
[C] Cellulose
[D] Cytochrome

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9. Which of the following bacterium causes crown gall disease in plants?
[A] Agrobacterium tumefaciens
[B] Pseudomonas fluorescens
[C] Bacillus thurigiensis
[D] None of the above

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

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