General Science-42

1. The sex of newborn baby is determined by the chromosomes inherited from:
a. The mother
b. The father
c. Mother’s mother
d. Father’s father

2. A person suffering from which of the following cannot see with clarity the horizontal and vertical lines simultaneously?
a. Myopia
b. Hypermitropia
c. Astigmatism
d. Squint

3. Vinegar is obtained by the fermentation process; what does it contain?
a. Acetic acid
b. Formic acid
c. Nitric acid
d. Oxalic acid

4. The chemical compound in the common salt is:
a. Potassium nitrate
b. Ammonium chloride
c. Calcium carbonate
d. Sodium chloride

5. Hygrometer is used to measure
a. Humidity of the atmosphere
b. Density of milk
c. Speed of sound in water
d. None of the above

6. The instrument used to measure radioactivity is called:
a. Gyroscope
b. Nephoscope
c. Machmeter
d. Geiger Counter

7. The principle of cleaning by soap is;
a. Surface tension
b. Floatation
c. Viscosity
d. Elasticity

8. Which one among the following lasers is used in cancer treatment?
a. He-Ne Laser
b. Ruby Laser
c. CO2 Laser
d. Semiconductor Laser

9. The gas which constitutes the most of Venus’s atmosphere is:
a. Oxygen
b. Nitrogen
c. Hydrogen
d. Carbon-dioxide

10. The souring of milk is caused by the action of:
a. Protozoa
b. Bacteria
c. Viruses
d. None of these