- 1(current)
Q. No.Which of the following is not seen in red algae?
| 1. | 2 unequal flagella | 2. | Cellulose cell wall |
| 3. | Phycoerythrin | 4. | Floridean starch |
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Identify the correct statement regarding members of Phaeophyceae:
1. The main photosynthetic pigment is fucoxanthin and chlorophyll a is absent.
2. The stored food is in the form of mannitol and laminarin is toxic to them.
3. Their cell walls have algin and polysulphate esters.
4. The flagellar number is 2, unequal in size and attached laterally.
The gametes are pyriform and bear two laterally attached flagella in:
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All algae |
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Match the terms in Column I with their correct description in Column II and select the correct match from the codes given:
| COLUMN I | COLUMN II | ||
| A | Protonema | P | The first stage in development of the gametophyte in mosses. |
| B. | Prothallus | Q | The photosynthetic gametophyte in ferns. |
| C. | Seta | R | In bryophytes, the stalk that supports the capsule, if present. |
| D. | Stipe | S | The stem-like part of the thallus of brown algae such as kelp |
Codes
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | R | S |
| 3. | P | Q | S | R |
| 4. | Q | P | S | R |
The correct description of zoospores involved in asexual reproduction in most brown algae will be:
1. Biflagellate, pear-shaped, lateral unequal flagella
2. Biflagellate, pear-shaped, apical equal flagella
3. Biflagellate, lens-shaped, lateral unequal flagella
4. Biflagellate, lens-shaped, apical equal flagella
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- 1(current)
Q. No.
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