Answer: Laminarin and mannitol.
- A Floridean starch
- B Laminarin and mannitol
- C True plant starch
- D Animal glycogen
Correct answer: B. Laminarin and mannitol
Explanation: Brown algae store food as laminarin (a carbohydrate) and mannitol, not as true starch.
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.