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 is the relation between mass and wavelength of any matter, as per de Broglie’s relation?
[A] Both are directly proportional
[B] Both are inversely proportional
[C] Both are independent of each other
[D] wavelength is twice the square of the mass

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2. Radioactive materials should be kept in the container made of:
[A] Iron
[B] Aluminum
[C] Steel
[D] Lead

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

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4. In winter, at the time of hibernation, Toads maintain breathing through ____:
[A] Lungs
[B] Skin
[C] Both by Skin and Lungs
[D] Buccal cavity

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5. Sleeping sickness disease spreads due to which of the following insect?

[A] Bedbugs
[B] Tsetse fly
[C] Louse
[D] Sand fly

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6. Which of the following statement is incorrect?
[A] Each sperm is a single cell
[B] Oviparous animal does not give birth to young ones
[C] External fertilisation takes place in frog
[D] Fertilisation is necessary even in asexual reproduction

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7. Which of the following are warm-blooded animals?
[A] Whales
[B] Draco
[C] Alytes
[D] Whale Sharks

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8. Osteocytes are found in ____:
[A] Blood
[B] Bone
[C] Lymph
[D] Cartilage

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9. Why do the plant closes stomata when it does NOT need carbon dioxide for photosynthesis?
[A] To store carbon dioxide
[B] To prevent water loss
[C] To release stored oxygen
[D] None of the above

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10. Just born baby has the respiratory rate as ____:
[A] 15 times/minute
[B] 18 times/minute
[C] 26 times/minute
[D] 32 times/minute

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