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

11. Which of these bones is not a part of the human ear?
[A] Incus
[B] Stapes
[C] Femur
[D] Malleus

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12. Night blindness is caused due to ____:
[A] Excess secretion of pineal gland
[B] Less drinking of water
[C] Vitamin A deficiency
[D] Inheritance by X-chromosome

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13. Chromosomes consist of ____:
[A] DNA and lipids
[B] RNA and amino acids
[C] DNA and proteins
[D] RNA and sugar

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14. The metal ion present in vitamin B12 is ____:
[A] Nickel
[B] Iron
[C] Cobalt
[D] Zinc

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15. Thiamidine dimer formation in DNA is caused by ____:
[A] IR-rays
[B] X-rays
[C] beta and gama-rays
[D] UV-rays

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16. Which one of the following is not a true fish?
[A] Seahorse
[B] Shark
[C] Starfish
[D] Eel

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17. Outside the nucleus DNA is found in ____:
[A] Mitochondria
[B] Golgi bodies
[C] Ribosome
[D] Endoplasmic reticulum

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18. The movement of water molecules through the plasma membrane is called ___:
[A] Osmosis
[B] Transpiration
[C] Precipitation
[D] Sedimentation

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19. Animals in which the cells are arranged in three embryonic layers are called _____:
[A] Ectoderm
[B] Endoderm
[C] Tripoblastic
[D] Diploblastic

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20. Bariatric surgery change in ___ of a person:
[A] Heart
[B] Lungs
[C] Nasal passage
[D] Digestive system

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