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. Hydrochloric acid is secreted by the cells lining the
____:
[A] Stomach
[B] Ileum
[C] Oral cavity
[D] Colon

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3. Filariasis is not transmitted by ____:
[A] Anopheles mosquito
[B] Aedes mosquito
[C] Culex mosquito
[D] Swamp mosquito

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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. ____ is the cell organelle, in which the biochemical processes of respiration and energy production occur:
[A] Ribosomes
[B] Mitochondria
[C] Nucleus
[D] Chloroplast

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6. What is thick vein present in the middle of the leaf called?
[A] Leaf venation
[B] Parallel venation
[C] Midrib
[D] Reticulate

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

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

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

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