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. Phototropic movement is controlled by ____:
[A] Auxin
[B] Gibberellin
[C] Cytokinin
[D] Ethylene

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32. Methane contributes towards global warming so it is called a ____ gas:
[A] Greenhouse
[B] Poisonous
[C] Infectious
[D] Carcinogenic

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33. 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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34. Which fruit has its seed outside?
[A] Strawberry
[B] Banana
[C] Groundnut
[D] Cashew nut

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35. The disease Beri Beri is caused due to the deficiency of which of the following?

[A] Vitamin B1
[B] Vitamin B2
[C] Vitamin B12
[D] Vitamin E

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36. Root Hairs arise from _____:
[A] Cortex
[B] Pericycle
[C] Epidermis
[D] Endodermis

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

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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. Which of the following is not a constituent of phloem?
[A] Tracheids
[B] Sieve tubes
[C] Companion cells
[D] Phloemparenchyma

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40. Which of the following trees shed their leaves once in a year?
[A] Deciduous trees
[B] Coniferous trees
[C] Evergreen trees
[D] Both deciduous and coniferous trees

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