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. 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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2. The suicidal bags of the cell are
____:
[A] Ribosomes
[B] Lysosomes
[C] Phagosomes
[D] Dictyosomes

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3. Which gas is major contributor to greenhouse effect?

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

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4. Water of coconut is ____:
[A] Liquid nucellus
[B] Liquid endocarp
[C] Degenerated liquid endosperm
[D] Liquid mesocarp

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5. In which one of the following is swim bladder absent?
[A] Cartilaginous fish
[B] Silverfish
[C] Cuttlefish
[D] Bony fish

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6. 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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7. Where is urine stored in human body?

[A] Kidneys
[B] Nephron
[C] Liver
[D] Urinary bladder

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8. Biodegradable wastes can usually be converted into useful substances with the help of ____:
[A] Bacteria
[B] Viruses
[C] Nuclear proteins
[D] Radioactive substances

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

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10. The most serious air pollutant causing health hazard is ____:
[A] Ozone
[B] Sulphur dioxide
[C] Nitrogen oxide
[D] Carbon monoxide

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