General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part11 : 86 to 90

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :

86.The chief agent of evolution is

mutation

acquired characters

sexual reproduction

natural selection

87.Water pipes are apt to burst in cold weather because

heavy pressure is exerted by snow

they contact in cold.

the water in the pipe turns into ice and expands.

the water in the pipe cannot evaporate.

88.Both the pans of a balance are kept in equilibrium by putting equal weights. When the balance is kept in upward moving lift, the equilibrium

will be disturbed

will remain undisturbed

will be disturbed if lift is accelerated

will remain undisturbed if lift is moving with a constant velocity

89.The cranial capacity of Which of the following prehistoric men was equal to modern man ?

Pekng man

Cro-Mangnon Man

Australopithecus

Neanderthal man

90.The age of reptiles was

Azoic era

Permian era

Mesozoic era

Palaeozoic era

More General Science QUESTIONS AND ANSWERS available in next pages

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

If you are not willing to risk the usual you will have to settle for the ordinary- Jim Rohn

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