Question

Stage of hydrarch are :

(a) Marsh meadow stage (b) Reed swamp stage (c) submerged plant stage (d) Phytoplankton stage

(e) Submerged free-floating stage.

Identify the correct sequence :

• A. d , c, e , b , a
• B. c , e , a , b , d
• C. b , d , c , a , e
• D. d , e , c , b , a
• E. e , c , b, a , d

Answer 1

The correct option is A d , c, e , b , a

Development of biotic organisms in a newly formed pond or lake is called hydrosere or hydrarch.

It starts as soon as the muddy water becomes clear. The stages includes

1. Phytoplankton stage

2. Submerged plant stage

3. Floating plant stage

4. Reed swamp stage

5. Marsh meadow stage

6. Woodland stage

7. Forest stage