| (i) | Vegetative reproduction usually takes place by fragmentation in unicellular forms. |
| (ii) | Zoospore formation is rare. |
| (iii) | Sexual reproduction can be isogamous, anisogamous, or oogamous. |
| (iv) | Asexual reproduction can occur by flagellated zoospores produced in zoosporangia. |
| (v) | Chlamydomonas, Chara, Spirogyra, Volvox, and Ulothrix belong to green algae. |
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 |
Out of the following four statements how many of them are correct for Fucus.
| I. | Life – cycle is diplontic. |
| II. | Fertilisation is internal. |
| III. | Sexual reproduction is Oogamous. |
| IV. | Frond is photosynthetic. |
1. 4
2. 3
3. 2
4. 1
Match the following
|
Algae |
Stored food |
Flagellation |
|
(a) Brown algae (b) Red algae (c) Green alage |
(p) Floridean starch (q) Mannitol (r) Starch |
(i) 2, lateral (ii) 2-4, apical (iii) absent |
1. (a-r-ii), (b-p-iii), (c-q-i)
2. (a-q-i), (b-p-iii), (c-r-ii)
3. (a-q-i), (b-r-ii), (c-p-iii)
4. (a-q-i), (b-p-ii), (c-r-iii)