General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 56 to 60

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

56.A substance which can act both as an acid and a base is known as :

amorphous

allotropic

amphoteric

none of these

57.What is laughing gas /

Carbon dioxide

Sulphur dioxide

Hydrogne peroxide

Nitrous oxide

58.The chief ingredient of the mosquito repellent cream is derived from

Lemon

Tulsi

Neem

Rice bran

59.The colour of the sky looks blue because

sky is made up of blue colour particles.

blue colour is of longer wavelength.

blue colour is more prominent is sunlight.

blue colour of light is of shorter wavelength, so these waves are easily scattered by dust particles and water vapour.

60.Which of the following is a correct description of tissue culture ?

Conservation of forests and plantation

Growth and propagantion of horticultural crops

Science of cultivating animal tissue in artificial medium

Protection of wild animals

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

Trust because you are willing to accept the risk, not because itâs safe or certain

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