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. Identify the process from the options below, which is a physical change?
[A] Oxidation
[B] Reduction
[C] Sublimation
[D] Decomposition

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2. Intensive cultivation refers to ___:
[A] Raising production by intensive use of existing land
[B] Raising production by large scale use of imported inputs
[C] Production with intensive use of labour
[D] Production with intensive use of fertilizer

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3. The wing of a bat and the wing of a bird are the examples of ____ limbs:
[A] Heterogeneous
[B] Homogenous
[C] Homologous
[D] Analogous

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

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5. Which word is common in the botanical names of trees like Ashoka, Tamarind or Coral?
[A] Terminalia
[B] Indica
[C] Salix
[D] Acacia

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6. What is the basis of classifying various plant tissues as meristematic tissue and permanent tissue?

[A] Size
[B] Dividing capacity
[C] Location
[D] None of the above

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7. The edible part of an onion is ____:
[A] Fleshy leaves
[B] Aerial stem
[C] Modified root
[D] Aerial flower

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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. The process of photosynthesis involves conversion of ____:
[A] Chemical energy into radiant energy
[B] Solar energy into chemical energy
[C] Chemical energy into mechanical energy
[D] Mechanical energy into solar energy

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10. Water which is suitable for drinking is called ___ water:
[A] Potable
[B] Sanitary
[C] Hygienic
[D] Sparkling

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