General Science-9

1. The study of rearing fine and intelligent human beings through genetics is called ........................
a) Eugenics
b) Biotechnology
c) Cloning
d) Genealogy

2. Branch of mathematics dealing with measurement of surface of earth is called .....................
a) Geology
b) Topology
c) Geo mathematics
d) Geodesy

3. Use of Sun bath for the treatment of diseases is called .......................
a) Sun therapy
b) Solar therapy
c) Heliotherapy
d) Radiation therapy

4. Scientific cultivation of fruits, vegetables, flowers and shrubs is called ....................
a) Agronomy
b) Botany
c) Horticulture
d) Entomology

5. Scientific study of birds is called .............................
a) Ornithology
b) Avian biology
c) Poultry science
d) Zoology

6. Pulsar is a neutron star which produces regular pulses of ....................... radiation.
a) Gamma
b) Electromagnetic 
c) Microwave
d) Ultraviolet

7. Globular clusters of the stars contain ------------------ stars.
a) Few hundred
b) Several thousand
c) more than one million
d) ten millions

8. Largest unit of the universe is believed to be ..........................
a) Galaxy
b) Stars
c) Super clusters
d) Solar system

9. Lunar eclipses are of ------------ types.
a) 2
b) 3
c) 4
d) None of the above

10. Solar eclipse can occur only at -----------------.
a) Full moon
b) New moon
c) Summer season
d) None of the above

11. Rough endoplasmic reticulum is concerned with …………………………..
a) Energy production
b) Protein synthesis
c) Removal of wastes
d) None of the above

12. Smooth endoplasmic reticulum is concerned with …………………………
a) Protein synthesis
b) Energy production
c) Lipids synthesis
d) None of the above

13. ---------------------- are the power houses of the cell.
a) Golgi apparatus
b) Lysosomes
c) Nucleus
d) Mitochondria

14. Fundamental unit of heredity is --------------------
a) DNA
b) Chromosome
c) Gene
d) Cell

15. The name gene was introduced by ---------------------- in 1909.
a) Robert hooke
b) Watson & Crick
c) Waldyer
d) Johannsen