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 percentage of carbon is present in steel?
[A] 0.0 to 2.5
[B] 2.5 to 5.0
[C] 5.0 to 7.5
[D] 7.5 to 10.0

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2. Chromosome designation of Turner sydrome is ____:
[A] 44A+XO
[B] 44A+XXX
[C] 44A+XXY
[D] 44A+XYY

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3. The second Green Revolution aims at increasing agricultural output to promote ____:
[A] Development of rural sector
[B] Availability of easy credit to big farmers
[C] Co-operative farming
[D] Inclusive growth

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4. 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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5. The colour change in the Chameleon is due to the presence of ____:
[A] Chromatophore
[B] Haemoglobin
[C] Chlorophyll
[D] Pneumatophore

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6. Which of the following diseased person can still donate eyes?
[A] AIDS patient
[B] Asthma patient
[C] Acute leukaemia patient
[D] Both Asthma and Acute leukaemia patient

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7. The largest invertebrate is a/an ____:
[A] Sponge
[B] Mollusc
[C] Echinoderm
[D] Arthropod

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8. What causes the mottling of the dental enamel?
[A] High levels of chlorine in water
[B] High levels of nitrate in the water
[C] High levels of fluorides in the water
[D] High levels of calcium in the water

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9. Which type of pathogen causes the water-borne disease Ascariasis?
[A] Viral
[B] Protozoan
[C] Parasitic
[D] Bacterial

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10. The cells of sclerenchyma tissue have their walls thickened due to which chemical substance?
[A] Cellulose
[B] Hemicellulose
[C] Lignin
[D] Pectin

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