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. Which of the following are the limitations of Bohr’s model of atom?
[A] it cannot explain spectrum of atoms containing more than one electron
[B] it cannot explain the Zeeman effect
[C] it cannot explain the Stark effect
[D] All of the above

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3. Which one of the following is commonly known as Pond Silk?
[A] Yeast
[B] Rhizopus
[C] Ulothrix
[D] Spirogyra

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4. BCG is vaccine meant for protection against which of the following diseases?
[A] Tuberculosis
[B] Mumps
[C] Tetanus
[D] Leprosy

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5. In which of the following multiple epidermis is found?
[A] Boerhaavia
[B] Nerium
[C] Amaranthus
[D] Helianthus

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6. Cuscuta is a ____:
[A] Complete stem parasite
[B] Partial root parasite
[C] Partial stem parasite
[D] Complete root parasite

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7. Which of the following is not connective tissue?
[A] Bone
[B] Skeletal muscle
[C] Cartilage
[D] Blood

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8. Mycobacterium leprae is a ____:
[A] Bacillus
[B] Spiral
[C] Coccus
[D] Spore

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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. The largest cells in mammalian blood are ____:
[A] Monocytes
[B] Lymphocytes
[C] Erythrocytes
[D] Basophils

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