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 a vascular cryptogam?
1. | Equisetum | 2. | Ginkgo |
3. | Marchantia | 4. | Cedrus |
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 |
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:
1. xerophytes
2. mesophytes
3. epiphytes
4. hydrophyte
1. | Pteris | 2. | Funaria |
3. | Polytrichum | 4. | Cedrus |
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
1. | absence of resin duct and leaf venation |
2. | presence of vessel elements and absence of archegonia |
3. | periandl and two integuments |
4. | embryo development and apical meristem |