Science Quiz

                                              Quiz 2

1. Two or more atoms combine to form a .............

Ans: Molecule

2. What is the hardest natural material known ? 

Ans: Diamond

3. The term 'cardiac' is related to what ?

Ans: Heart

4. The distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave is called as .....

Ans: Wavelength

5. What is the chemical symbol of Potassium ?

Ans: K

6. Which body part is most affected by the disease "Jaundice" ? 

Ans: Liver

7. Which branch of science is related to the study of blood, the blood-forming organs, and blood diseases ?

Ans: Hematology

8. Which instrument is used to measure the altitude of a celestial object above the horizon ?

Ans: Sextant

9. What is astronomical unit(AU) ?

Ans: Unit of length 

10. What is the main constituent of natural gas ?

Ans: Methane

11. Which chemical compound occurs naturally in tea and coffee ?  

Ans: Caffeine

12. Which scientific process is used to separate out the different components of crude oil ? 

Ans: Fractional Distillation

13. What is the speed of light in a perfect vacuum ?

Ans: 299,792,458 metres per second 

14. Entomology is the scientific study of ..........

Ans: Insects

15. What is the SI unit of frequency ?   

Ans: Hertz

16. What is the chemical name of Aspirin ? 

Ans: Acetyl salicylic acid

17. Which is the only element whose atoms have no neutron ?

Ans: Hydrogen

18. What is SI Unit of Electric Charge ?  

Ans: Coulomb 

19. Which type of coal has the highest percentage of carbon fewest impurities of all coals ? 
Ans: Anthracite

20. What is the reason of ," Minamata " disease ...... 
Ans: Mercury 

                                              Quiz 1

1. A compound which contains only hydrogen and Carbon is called a ......

Ans: Hydrocarbon

2. A deviation of light passing from one medium to another is known as .......

Ans: Refraction

3. A deviation of light passing from one medium to another is known as ........

Ans: Obligate Parasite

4. A machine used for converting mechanical energy into electrical energy is called a .......

Ans: Generator, Inverter

5. A plant adapted for growth in water is called a .........

Ans: Hydrophyte

6. A plant adapted to live in dry places is called a .........

Ans: Xerophyte

7. A plant which lives in the dark is called .......

Ans: Scotophyte

8. A tangent galvanometer is used to study the ........

Ans: Strength of direct current

9. A thermocouple is used to measure ........

Ans: Temperature

10. Al stands for ........

Ans: Aluminium

11. An altimeter is used for measuring .......

Ans: Altitude of the height above sea level

12. An ammeter is used to measure .......

Ans: Electric Current

13. An apparatus for generation of atomic energy is called a ........

Ans: Reactor

14. An Electroscope is used to .......

Ans: Detect charges on a body

15. Atomic Energy Commission is located at .......

Ans: Mumbai

16. Auriscope is used to detect .......

Ans: Ear disorders

17. Calcium oxide is commonly known as .......

Ans: Quick lime

18. Calcium sulphate is commonly called .........

Ans: Plaster of Paris

19. Calorimeter is used to measure .........

Ans: Quantity of heat

20. Central Tobacco Research Institute is located at .......

Ans: Rajahmundry