Statement 1 : BOD represents the amount of dissolved oxygen that would be consumed if all the organic matter in one litre of water were oxidised by microorganisms.
Statement 2 : High value of BOD indicates that water is highly polluted by organic matter.

Both statements 1 and 2 are correct.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Statement 1 is correct but statement 2 is incorrect.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Statement 1 is incorrect but statement 2 is correct.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both statements 1 and 2 are incorrect.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Statement 1 is incorrect but statement 2 is correct.
BOD is the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at certain temperature.
High BOD indicates the water is highly polluted because the dissolved oxygen is already consumed by bacteria.
So, the correct option is 'Both statements 1 and 2 are correct'

Suggest Corrections

Similar questions

Choose the correct option based on the statements given below:

Statement 1: Carbon always shares electrons or forms a covalent bond with other elements.

Statement 2: $C^{4 +}$ and $C^{4 -}$ ions are highly unstable.

C^{4 +}

C^{4 -}

Statement 1: Carbon always forms covalent bond with other elements.
Statement 2: $C^{+ 4}$ and $C^{- 4}$ ions are highly unstable.

C^{+ 4}

C^{- 4}

Join BYJU'S Learning Program