JEE PYQ: Environmental Chemistry Question 30
Question 30 - 2019 (10 Jan Shift 1)
Water filled in two glasses A and B have BOD values of 10 and 20, respectively. The correct statement regarding them, is:
(1) B is more polluted than A.
(2) A is suitable for drinking, whereas B is not.
(3) Both A and B are suitable for drinking.
(4) A is more polluted than B.
Show Answer
Answer: (1)
Solution
BOD indicates the amount of putrescible organic matter present in water. Therefore, a low BOD is an indicator of good quality water while a high BOD indicates polluted water.
BETA
