Read the following statements (A-E) and answer the question which follows them.
A: | In liverworts, mosses, and ferns gametophytes are free-living |
B: | Gymnosperms and some ferns are hetero-sperms |
C: | Sexual reproduction in Fucus, Volvox and Albugo is oogamous |
D: | The sporophyte in liverworts is more elaborate than that in mosses |
E: | Both, Pinus and Marchantia are dioecious |
How many of the above statements are correct?
1. Two
2. Three
3. Four
4. One
Mannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
Mannitol is the stored food in:
1. Chara
2. Porphyra
3. Fucus
4. Gracillaria
Phylogenetic system of classification is based on:
1. evolutionary relationships
2. morphological features
3. chemical constituents
4. floral characters
Which one of the following is considered important in the development of seed habit?
1. | Dependent sporophyte | 2. | Heterospory |
3. | Halplontic life cycle | 4. | Free-living gametophyte |
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
1. | Types of pigments present in the cell |
2. | Nature of stored food materials in the cell |
3. | Structural organisation of thallus |
4. | Chemical compositions of the cell wall |