Q. No.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
| 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 |
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 |
Vegetative reproduction in chlorophyceae takes place by
| 1. | Fragmentation | 2. | Only spore formation |
| 3. | Anisogamous | 4. | Isogamous |
Asexual reproduction in chlorophyceae is by
| 1. | Zoospore formation in Antheriodiophore |
| 2. | Fragmentation |
| 3. | Zoospore formation in Zoosporangia |
| 4. | Both 1 and 2 |
Zoospore formed during asexual reproduction in chlorophyceae are
| 1. | Flagellated | 2. | Non-flagellated |
| 3. | Ciliated | 4. | Non ciliated |
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 |
Gametophyte in the pteridophytes is
| (i) | Small, inconspicuous. |
| (ii) | Long-lived, unicellular. |
| (iii) | Mostly photosynthetic thalloid or saprophytic. |
| (iv) | Short lived, haploid. |
How many statements are correct with respect to gametophyte?
1. Two
2. Three
3. Four
4. One
Given below are three statements each with one blank. Select the option which correctly fill up the blanks in two statements
(i) _______ systems gave equal weightage to vegetative and sexual characteristics.
(ii) Number and codes are assigned to all the characters and the data are then processed in _______ taxonomy.
(iii) ________ systems assume that organisms belonging to the same taxa have a common ancestor.
1. (i) - Artificial, (iii) - Natural
2. (ii) - Phenetics, (iii) - Artificial
3. (i) - Artificial, (ii) - Chemotaxonomy
4. (iii) - Phylogenetic, (i) - Artificial
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