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

31. Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as ____:
[A] Threshold limit time
[B] Residual period
[C] Half-time life
[D] Half-life period

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32. The best example of Polyembryony is _____:
[A] Cocoa
[B] Capsicum
[C] Cycas
[D] Citrus

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33. What is called the process of fusion of the male and the female gametes?
[A] Fertilisation
[B] Pollination
[C] Reproduction
[D] Seed formation

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34. A plant with 30 cm or more circumference from human chest height is identified as _____:
[A] Herb
[B] Shrub
[C] Tree
[D] Medicinal herbs

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35. The phrase Survival of the fittest as a way of describing the mechanism of natural selection was coined by ____:
[A] Charles Babbage
[B] Louis Pasteur
[C] Marie Curie
[D] Herbert Spencer

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36. Which of the following is not a component of chlorophyll?
[A] Carbon
[B] Magnesium
[C] Hydrogen
[D] Calcium

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37. Five Kingdom classification was given by _____:
[A] Whittaker
[B] Heckel
[C] Linneus
[D] Copeland

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38. What would be the formula of Fructose?
[A] C12H22O11
[B] C6H12O6
[C] C12H19Cl3O8
[D] C6H10O8

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39. Which one of the following is not responsible for water shortage?
[A] Increasing population
[B] Rapid growth of industries
[C] Forestation
[D] Mismanagement of water resources

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40. Which of the following is the third stage in the metamorphosis of a butterfly?

[A] Egg
[B] Pupa
[C] Larva
[D] Adult

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