Home
Class 11
BIOLOGY
The manner in which values of BOD and CO...

The manner in which values of BOD and COD change, as water pollution increases in a stream

A

BOD and COD both increases

B

BOD decreases COD increases

C

both decreases

D

cannot be presumed

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Soil/land pollution)|11 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Radioactive pollution)|48 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-I (Air pollution)|47 Videos

  • ECOSYSTEM

    AAKASH SERIES|Exercise EXERCISE-III (PREVIOUS AIPMT/NEET QUESTIONS)|38 Videos

  • HISTOLOGY AND ANATOMY OF FLOWERING PLANTS

    AAKASH SERIES|Exercise EXERCISE - III (PREVIOUS AIPMT/NEET QUESTIONS)|24 Videos

Similar Questions

Explore conceptually related problems

Which causes water pollution?

Which of the following mainly causes water pollution?

The value of ionic product of water increases with increase in

The temperature at which ice changes to water under normal conditions is -

Read the following information and prepare any two questions. Pharmaceuticals and personal care products including medications, lotions and soap, are being found in increasing concentrations in lakes and rivers causing water pollution. Hazardous susbtances like fluorine mixed in ground water cause dangerous diseases, called fluorosis.

Which one of the following is not a bioindicator of water pollution ?