Question

Find out what do the terms ‘algal bloom’ and ‘red-tides’ signify
Ncert solutions for Class 11th Biology Chapter 2 Exercise 4

Answer 1

Dianoflagellates can be of different colour depending on the type of pigment present in it. the red dinoflagellates sometimes multiply at a very rapid rate. this is called as algal bloom. this gives a red appearance to the part of affected sea. so this is known as red tides.