What is not true for red algae?
1. Lack centriole and flagella
2. Accessory pigments include phycocyanin, phycoeythrin and allophycocyanin
3. They reproduce using alternation of generation
4. The stored food is floridean starch very similar to cellulose
Which of the following algae is likely to be found in the deepest waters?
(1) Green
(2) Brown
(3) Red
(4) All are found at equal depths
Which pair[s] is/are in incorrectly matched?
I. Phaeophyceae - Algin in cell wall
II. Chlorophyceae - Laminarin is stored food
III. Rhodophyceae - 2, unequal, lateral flagella
(1) Only II
(2) Only III
(3) I and II only
(4) II and III only
In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.
A | B | C | D | E | |
1. | Dictyota | Polysiphonia | Porphyra | Fucus | Laminaria |
2. | Porphyra | Dictyota | Laminaria | Fucus | Polyspiphonia |
3. | Dictyota | Polysiphonia | Porphyra | Laminaria | Fucus |
4. | Fucus | Porphyra | Dictyota | Polysiphonia | Laminaria |