Question

Water filled in two glasses A and B have BOD values of 10 and 20, respectively. The correct statement regarding them, is:

• A. A is more polluted than B
• B. A is suitable for drinking whereas B is not
• C. B is more polluted than A
• D. Both A and B are suitable for drinking

Answer 1

The correct option is C B is more polluted than A

Two glasses "A" and "B" have BOD values 10 and '20', respectively.
Hence glasses "B" is more polluted than glasses "A".