1. Tardigrade
  2. Question
  3. Biology
  4. Assertion In open water zone upto the depth to which light can penetrate, called photic zone. Reason The photic zone is categorised into euphotic and disphotic zone.

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Assertion In open water zone upto the depth to which light can penetrate, called photic zone.
Reason The photic zone is categorised into euphotic and disphotic zone.

AIIMSAIIMS 2014

Solution:

The upper part of photic zone with abundent light is called euphotic zone, here the $\frac{P}{R}$ ratio is more than $1$ . The lower region is called disphotic zone, here the $\frac{P}{R}$ ratio is less than $1$ .