General Science-41

1. Which one of the following phenomena shows particle nature of light?
a. Polarization
b. Photo-electric effect
c. Interference
d. Refraction

2. Heavy water is:
a. Ice
b. Water at 4 Degree Celsius
c. Solution of sugar and water
d. Deuterium oxide

3. Asprin can be found in many household medicine cabinets. But what is it chemically?
a. Ibuprofen
b. Paracetamol
c. Acetysalicyic acid
d. None of these

4. Which substance goes milky/ cloudy when you bubble carbon-dioxide into it?
a. Hard water
b. Lime water
c. Distilled water
d. None of these

5. Which one of the following is deviated by an electric field?
a. Alpha rays
b. Gama rays
c. Neutrons
d. X-rays

6. Ohm’s law defines:
a. A resistance
b. Current only
c. Voltage only
d. Both current and voltage

7. The complete digestion of carbohydrates, proteins and fats occurs in:
a. Stomach
b. Liver
c. Small intestine
d. Large intestine

8. A solar cell is a device that converts:
a. Light energy into heat energy
b. Heat energy into electrical energy
c. Electrical energy into light energy
d. Light energy into electrical energy

9. Which variety of coal contains the highest percentage of carbon?
a. Lignite
b. Bituminous
c. Anthracite
d. Peat

10. Bile is secreted in:
a. Pancreases
b. Small intestine
c. Stomach
d. Liver