General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part13 : 31 to 35

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

31.It is obsrved that when glass is heated, it cracks while metal does not. Which of the following statements explains this phenomenon ?

Metal is a poor conductor of heat.

The expansion of the glass after heating is uniform and therefore it cracks.

In case of glass the heat is transmitted quickly when it is heated.

Glass is a poor conductor of heat.

32.Flat bones are found in

neck

skull

legs

chest

33.Consider the following statements :If there was no capillarity, 1. it would be impossible to use a kerosene lamp. 2. one would not be able to use a straw to consume a soft drink. 3. the blotting paper would fail to function. 4. there would have been no plants on the Earth.The correct ones are

1, 2 and 3

1, 3 and 4

2 and 4

1, 2, 3 and 4

34.If you float on your back, on water, your weight will be

less than the weight of water displaced by you

zero

half of your normal weight

equal to your normal weight

35.A ball bounces higher at high altitudes than on plains because

downward pull due to gravity is less at higher altitudes.

the pressure at higher altitueds is higher than theat on plains.