Q. The correct sequence of plants in a hydrosere is:
A) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak
B) Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana
C) Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus
D) Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox
Explanation
[Solution from source] A hydrosere begins with phytoplankton (Volvox), then submerged plants (Hydrilla), floating plants (Pistia), reed-swamp plants (Scirpus), shrubs (Lantana) and finally a forest climax (Oak). Sequences starting with Oak run backwards from the climax. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.