Q. No.
In chlorophyceae and phaeophyceae, the type of sexual reproduction is
| 1. | Isogamous | 2. | Anisogamous |
| 3. | Oogamous | 4. | All of the above |
Green algae usually have a rigid cell wall made of an inner layer of ….…. and outer layer of ………
| 1. | Pectose, Cellulose |
| 2. | Cellulose, Pectose |
| 3. | Algin, carrageenan |
| 4. | Carrageen, Algin |
Zoospore formed during asexual reproduction in chlorophyceae are
| 1. | Flagellated | 2. | Non-flagellated |
| 3. | Ciliated | 4. | Non ciliated |
Chloroplasts can be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species. Such variety can be found in
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All of these |
Pyrenoid is
| 1. | Storage bodies located in cytoplasm of chloropbyceae |
| 2. | Storage bodies located in cytoplasm of Phaeophyceae |
| 3. | Storage bodies located in chloroplast of chlorophyceae |
| 4. | Storage bodies located in chloroplast of Phaeophyceae |
This picture is associated with an organism that belongs to a class. Which of the following features is not correct about that class?
| 1. | Three types of sexual reproduction |
| 2. | A variety of chloroplast in different species |
| 3. | Inner layer of pectose and an outer layer of cellulose in a cell wall |
| 4. | Pigments-chlorophyll a and chlorophyll b |
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 |
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