Answer: Rhodophyta.
- A Chlorophyta
- B Phaeophyta
- C Rhodophyta
- D Cyanophyta
Correct answer: C. Rhodophyta
Explanation: Rhodophyta (red algae) contain phycoerythrin (red pigment) and phycocyanin in addition to chlorophyll. Phycoerythrin allows them to absorb blue-green light and live at greater depths.
Plants evolved from water-dependent algae through increasingly land-adapted groups, gaining vascular tissue (Pteridophyta), then seeds (Gymnosperms), and finally fruit-enclosed seeds (Angiosperms) - each step reducing dependence on water for reproduction.
Concept context
Classification of plants from algae to angiosperms. Understanding plant diversity is essential for NEET.