General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part23 : 6 to 10

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

6.Consider the following statements regarding a motor car battery : 1. The voltage is usually 12 V2. Electrolyte used is hydrochloric acid3. Electrodes are lead and copper4. Capacity is expressed in ampere - hour Which of the above statements are correct ?

1 and 2

2 and 3

3 and 4

1 and 4

7.Barium in a suitable form is administered to patients before a X-ray examination of the stomach, because :

barium allows X-rays to pass through the stomach on account of its transparency to X-rays

barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination

barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture

barium slats are white in colour and this helps the sotmach to appear clearly in ocntrast with other regions in the picture

8.The comic mirrors seen in amusement parks have reflecting surface that are :

entirely concave

irregularly curved

convex and spherical

plane at all point

9.When the temperature of a gas sample filled in a container is increased, its pressure increases. Which of the following are the reasons for it ? 1. Gas molecules exert more force on each other than before2. Gas molecules move faster than before and strike the wals of the container more often3. Each impact of the fas molecules on the walls of the container yields a greater force than before4. Ompacts are now distributed over a smaller area

1, 2 and 3

1, 3 and 4

2 and 4

2 and 3

10.Sulphuric acid is used in the manufacture of : 1. Ferftilisers 2. Dyestuff intermediates3. Pigments and paints4. Storage batteries

1 and 2

2 and 3

1, 2, 3 and 4

1, 3 and 4

More General Science QUESTIONS AND ANSWERS available in next pages