(i) | The main plant body is the sporophyte. |
(ii) | The sporophyte is differentiated into true roots, stems, and leaves. |
(iii) | Their gametophyte lacks vascular bundle. |
(iv) | Microphylls are found in Selaginella and macrophytes in the ferns like Dryopteris. |
(v) | Strobili or cones are found in Selaginella and Equisetum. |
1. | Four | 2. | Five |
3. | Two | 4. | Three |
Consider the following statements regarding brown algae:
I. The pigments are chl a, c and xanthophylls, fucoxanthin
II. Storage food is laminarin and mannitol
III. The cellulosic cell wall is covered with algin
IV. They have a centrally located vacuole
V. Their photosynthetic organs are called as fronds - leaf like structures
VI. They have pear shaped biflagellate zoospores
VII. They have two unequal laterally attached flagella.
The number of correct statements is
1. 5
2. 6
3. 7
4. 4
Identify the following statements as true (T) or false (F) and select the option accordingly
(A) Members of Rhodophyceae asexually reproduce by motile spores
(B) Members of Phaeophyceae do not show isogamous type of sexual reproduction
(C) In some green algae, food is stored in the form of oil droplets
(A) (B) (C)
1. T F T
2. F F F
3. F F T
4. T T F