A student collected various water samples in and around his area. The above figure shows the water samples collected.
1. What do you observe?
a. Each sample is different
b. All are same
c. Not required any care
d. None of the above
2. Which water sample is clean?
a. 4
b. 1
c. 3
d. 5
3. Is it require to maintain water clean in our surroundings?
a. YES
b. NO
4. The water maintenance should be taken care by
a. Cleaners
b. Government
c. Everyone
d. Old people
5. Water harvesting is done for
a. Irrigation
b. Drinking
c. Cleaning
d. All of the above