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. As per the Mohs scale of mineral hardness, which of the following are soft metals?

  1. Gold
  2. Copper
  3. Diamond
  4. Thorium

Select the correct option from codes given below:

[A] 1 & 4 Only
[B] 1, 2 & 4 Only
[C] 2 & 4 Only
[D] 1, 2, 3 & 4

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2.   Which of the following increases with increase of highly soluble impurities in water?

  1. Melting point
  2. Boiling point
  3. Surface tension

  Select the correct option from codes given below:

[A] 1 & 2 Only
[B] 3 Only
[C] 2 & 3 Only
[D] 1, 2 & 3

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3. In coriander, the useful parts are
____:
[A] Leaves & flowers
[B] Flowers & dried fruits
[C] Roots & leaves
[D] Leaves & dried fruits

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4. Which of the following cell organelle contains DNA apart from nucleus?
[A] Golgi Apparatus
[B] Mitochondria
[C] Cytoplasm
[D] Ribosome

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5. To digest protein which of the enzyme is present in pancreatic juice?
[A] Pepsin
[B] Upes
[C] Trypsin
[D] Amaylase

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6. The duration 19-21 days refers to ___:
[A] The period of menstrual cycle soon after menstruation, during which fertilisation is most likely to occur
[B] Incubation period of hens egg
[C] Average life-span of a red blood cell in humans
[D] Period of completion of one schizogony cycle of malarial parasite inside a red blood cell

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

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

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9. Which of the following is an example of Ball and Socket joint in humans?
[A] Hip Joint
[B] Neck Joint
[C] Wrist Joint
[D] Finger Joint

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10. The animals in which the body cavity is absent are known as ____:
[A] Wild
[B] Coelomates
[C] Pseudocoelomates
[D] Acoelomates

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