- 1(current)
Q. No.Rather than having true roots, stems and leaves the members of Phaeophyceae have root like holdfast, stem like stipe and leaf like fronds. What will be true for these structures?
| I. | Holdfasts are not the primary organs for water and nutrient uptake. |
| II. | In brown algae like Fucus, the tissues in stipe include a central pith, a surrounding cortex and an outer epidermis. |
| III. | Gas filled floats called pnematocysts provide buoyancy in many brown algae. |
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Subtopic: Â Pheophyceae: Brown Algae |
 51%
Level 3: 35%-60%
- 1(current)
Q. No.
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