Class10th Chemistry Chapter 7


Total Marks: 12

1. The inflamation of liver called ?
Typhoid Cholera Happatitis Fluorosis
2. Cause of diarrhea among following is
Diarrhea Cholera Crystosporidium Typhoid
3. Which compound protect teethes from diseases ?
Flourin compound Iodine compound Chlorin compound Bromine compound
4. Cholera is caused by .
Virus Algae Fungus Bacteria
5. The lives of aquatic plants and animals are indirectly related to concentration of dissloved gas in water ?
Nitrogen Hydrogen Oxygen Carbon
6. Which disease cause when human use water of industrial effuents ?
Cancer Asthma Jaundice Cholera
7. Rapid growth of algae in water bodies is because of detergent having :
Carbonat salts Sulphonic acid Sulphat salts Phosphate salt
8. Hook worm infects.
Liver Small intestine Large intestine Stomach
9. Which element protects teeth from decay?
Potassium Fluorine Sodium Calcium
10. The percentage of water in human body is.
40% 50% 60% 70%
11. Cholera is caused by
Protozoa Virus Bacteria Fungi
12. The depletion of which gas results in the death of aquatic life.
Oxygen Carbon di oxide Boath of them Nome of them