HI
HELLOW
1. The heat from the SUN comes on the earth by-
Radiation
2. Rainbow is formed due to
Dispersion
3. The density of water is found maximum at
4 degree Celsius
4. A jet engine works on which of the following principle of conservation of
Linear momentum
5. The imperfection of eye Astigmatism is corrected by using
Cylindrical lens
6. The blood moves to the ........... When the left Ventricle in the human heart contracts
Aorta
7. Blood does not clot in the vessels due to the presents of
Thrombin
8. The DPT vaccine is given to young babies to protect them from?
Diphtheria, whooping cough, and tetanus
9. What is Hemophilia
A genetic disorder
10. The blood vessel supplying blood to the kidney is
The renal artery
11. Air is completely removed from an electric bulb to prevent
Oxidation of filament
12. A transformer is a device for
Stepping up or down voltage
13. The purest form of Iron
Wrought Iron
14. The elements with the lowest and highest ionization potential are
Cesium and Helium
15. Which element is present in all acids
Hydrogen
16. pH factor is used to measure
Acidity of a liquid
17. Which is called philosopher's wool?
Six weeks
18. Which metal is extracted from seawater?
Magnesium
19. The organ which stores carbohydrates as glycogen in the human body is
Liver
20. Hemoglobin is an important constituent of
Red blood cells

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