- A Fungi
- B Green algae
- C Red algae
- D Mosses
Correct answer: C. Red algae
Explanation: Agar is a polysaccharide obtained from red algae (Rhodophyta), particularly Gelidium and Gracilaria. It is used as a solidifying agent in microbiological culture media.
Concept context
Classification of plants from algae to angiosperms. Understanding plant diversity is essential for NEET.