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. Which iron ore contains the highest percentage of iron content?
[A] Hematite
[B] Siderite
[C] Magnetite
[D] Limonite

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2. In the grass lands, trees do not replace the grasses as a part of an ecological succession because of ____:
[A] Limited sun light and paucity of nutrients
[B] Insect and fungi
[C] Water limits and fire
[D] None of the above

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3. Wilting of plants occurs due to excessive ____:
[A] Respiration
[B] Glutation
[C] Absorption
[D] Transpiration

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

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5. The ____ helps in equalising the pressure on either sides of the eardrum:
[A] Malleus
[B] Incus
[C] Cochlear nerve
[D] Eustachian tube

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6. Entomology is the study of ____:
[A] Insects
[B] Birds
[C] Fossils
[D] Fungi

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7. The total number of living organisms, both plants and animals, in a given area is called ____:
[A] Buffers
[B] Biomass
[C] Batholith
[D] Barrage

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8. Pinna (external ear) is present in
____:
[A] Amphibian
[B] Fish
[C] Mammal
[D] Reptile

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9. DNA shows hyperchromicity on ____:
[A] Replication
[B] Heating
[C] Crystallizing
[D] Cooling

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10. Blood groups were discovered by
____:
[A] Altmann
[B] Landsteiner
[C] Losch
[D] Ronald Ross

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