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 of the following elements is present in heavy water?
[A] Heavy Oxygen
[B] Heavy Hydrogen
[C] Heavy Chlorine
[D] Heavy Nitrogen

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2. Which of the following makes the skin layer impervious to water?

[A] Melanin
[B] Collagen
[C] Keratin
[D] Chitin

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3. If waste materials contaminate the source of drinking water, which of the following diseases will spread?
[A] Typhoid
[B] Malaria
[C] Anaemia
[D] Scurvy

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4. Which of the following is a tapeworm?
[A] Enterobius
[B] Fasciola
[C] Taenia
[D] Schistosoma

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5. 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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6. Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in ____:
[A] Peas
[B] Oats
[C] Corn
[D] Wheat

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7. Growing agricultural crops between rows of planted trees is known as ____:
[A] Jhum
[B] Agro forestry
[C] Social forestry
[D] Taungya system

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8. Which of the following is the smallest bird?
[A] Parrot
[B] Pigeon
[C] Hummingbird
[D] House sparrow

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9. The strongest muscle (based on its weight) of the body is the masseter muscle and is located in the ___:
[A] Hand
[B] Jaw
[C] Thigh
[D] Chest

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10. Which of the following statement is incorrect?
[A] Budding is not possible in hydra
[B] Hydra have only a sexual reproduction
[C] Most frogs are an oviparous animals
[D] Internal fertilisation takes place in hens

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