Question

4. Which of the following sights can give you an idea
about water being non-polluted?
(1) Dead fish on the banks.
(2) No particular bad odour to the water.
(3) Flowers in the water.
(4) Plastic bags floating,
(5) Aquatic birds near the banks of water.
(6) Dark, murky colour of the water.
(7) Green blanket of water hyacinth on the water.
(8) Fishes seen swimming near the banks.
(9) Light blue colour of the water.
(A) (2) (5) (8) (B) (1) (3) (5)
(C) (2) (4) (7)
(D) (3) (5) (6)​

Answer 1

Answer:

(A)

Explanation:

as from the above only three are considered as water being non polluted:-

1. No particular bad odour to the water.
2. aquatic birds near the banks of the water.
3. fishes seen swimming near the banks.