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. Major pesticidal properties are present in _____:
[A] Jamun
[B] Jatropha
[C] Castor
[D] Pongamia

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32. The red colour of human blood is due to ____:
[A] Myoglobin
[B] Haemoglobin
[C] Haptoglobin
[D] Immunoglobulin

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33. In the plant kingdom, Ferns and Fern allies belong to which group?
[A] Gymnosperms
[B] Bryophyta
[C] Pteridophyta
[D] Thallophyta

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34. What is the main constituent of the human bone?
[A] Phosphorus
[B] Iron
[C] Zinc
[D] Calcium

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35. The gene which exhibites multiple effects is known as ____:
[A] Complementary
[B] Polygene
[C] Pleiotropic
[D] Pseudogene

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36. Water in plants is trans-ported by _____:
[A] Phloem
[B] Xylem
[C] Cambium
[D] Epidermis

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37. Which of the following part Human respiratory system provide space for exchange of gases?
[A] Bronchi
[B] Trachea
[C] Bronchioles
[D] Alveoli

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38. Which vitamin is found in lemon?
[A] Vitamin A
[B] Vitamin C
[C] Vitamin D
[D] Vitamin K

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39. The five kingdom concept of classification of organisms was given by ____:
[A] Charles Darwin
[B] Carl Woese
[C] William Paley
[D] Robert Whittaker

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40. The waste management technique that involves the use of micro-organisms to remove or neutralize pollutants from contaminated site is called ____:

[A] Bio magnification
[B] Bio sensor
[C] Bioremediation
[D] Bio concentration

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