Human Health

 Constructed Response Questions:

Ans: (i)

Filter paper removes impurities.

Ans: (ii)

No filtration cannot stops germs.

Ans: (iii)

Germs can be killed in water by boiling and adding chemicals.

(chlorine)

Ans: (iv)

Water can be made suitable for drinking by

• Boiling
• Filtration
• Adding chlorine