Q. No.Mannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
2. Gracillaria
3. Chara
4. Porphyra
1. Cycas
2. Cicer
3. Pisum
4. Alnus
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 |
Moss peat is used as a packing material for sending flowers and live plants to distant places because:
1. it is easily available
2. it is hygroscopic
3. it reduces transpiration
4. it serves as a disinfectant
In a moss the sporophyte:
| 1. | is partially parasitic on the gametophyte |
| 2. | produces gametes that give rise to the gametophyte |
| 3. | arises from a spore produced from the gametophyte |
| 4. | manufactures food for itself, as well as for the gametophyte |
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