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 gases helps in bread/cake fermentation so as to make it soft and spongy?
[A] Carbon Monoxide
[B] Hydrogen
[C] Carbon Dioxide
[D] Oxygen

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3. Epidermal cells of which part of plant often secrete a waxy water resistant layer on their outer surface?
[A] Aerial parts only
[B] Roots only
[C] Both aerial parts and roots
[D] Neither aerial parts nor roots

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4. Which of the following protein is found in nails?

[A] Keratin
[B] Histone
[C] Actin
[D] Elastin

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5. Which one of the following endocrine gland is situated in the neck?
[A] Pituitary
[B] Thyroid
[C] Pancreas
[D] Adrenals

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6. What is Blubber?
[A] A layer of thick fat
[B] A device to trap insects by some aquatic
[C] A milky secretion of rubber plant
[D] Fungal infection of rice plants

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7. Consider the following statements about how plants absorb nitrogen:

  1. Plants absorb nitrogen in the form of inorganic nitrates or nitrites.
  2. Plants take in nitrogen in the form of organic compounds.
  3. Nitrogen is directly taken up by the plants from the atmosphere.

Which of the above statements is / are correct?

[A] Only 1 and 2
[B] Only 1 and 3
[C] Only 2 and 3
[D] All of these

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

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10. Bile is produced by the ____:
[A] Liver
[B] Stomach
[C] Pancreas
[D] Duodenum

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