General Science-44

1. Who discovered penicillin?
a. Alexander Graham Bell
b. Alexander Fleming
c. Christopher McDonald
d. Albert Einstein

2. The depth to which a floating body sinks in pure water is a measure of its:
a. Density
b. Weight
c. Inertia
d. Viscosity

3. Strobilus is a structure associated with:
a. Pea
b. Potato
c. Pinus
d. Palm

4. What is the name of NASA vehicle on Mars?
a. Phoenix
b. Roger
c. Florida
d. John Canady

5. Which one of the following is the source of solar energy:
a. Nuclear fusion
b. Nuclear fission
c. Artificial radioactivity
d. X-ray emission

6. When the speed of moving object is doubled, its:
a. Acceleration is doubled
b. Kinetic energy is doubled
c. Kinetic energy increases four times
d. Weight is doubled

7. Which part of animal cell is called powerhouse?
a. Cell Wall
b. Nucleus
c. Mitochondria
d. Entire cell

8. What is not found in animal cell:
a. Cell wall of cellulose
b. Nucleus
c. Mitochondria
d. None of these

9. The impurity atom with which pure silicon should be doped to make a p-type semiconductor are those of
a. Phosphorus
b. Boron
c. Anatomy
d. Arsenic

10. Who discovered electric bulb?
a. Thomas Addison
b. Alexander Graham Bell
c. William Cooke
d. Terry Addison