To protect ourselves from diseases, sewage should be disposed off in
soak pit
garbage dump
covered drainage system
dustbins
Stagnant water breeds
mosquitoes
frogs
fishes
animals
Organic wastes can be disposed of by
drains
soak pits
incineration
dumping
Decayed garbage can be used as
medicine
food
cement
compost
Minu and her friends went on a picnic and threw banana peels on the beach. Which one of these is the reason that this should not be done?
Banana peels do not mix with the soil for number of years
Banana peels make the beach unhygienic and dirty
Banana peels are harmful to animals on the beach that eat them
Banana peels pollute the water because they contain harmful chemicals
Which one of the following should NOT be done to keep our surroundings clean?
Using safe water to drink
Spitting in the open places
Throwing garbage in the covered pits
Cleaning our house daily
Which one of the following is the best way to dispose waste water?
using it as drinking water
using it as bathing water
use it for watering the plants in the garden
letting it flow on the road
ORS should be stored for more than
12 hours
24 hours
36 hours
48 hours
Animals dung and other decaying matter can be used to produce
biogas
medicines
aeroplanes
Mosquitoes spread
cancer
stomach ache
malaria
blood pressure