In which of the following gametophyte is not independent free-living?
1. | Funaria | 2. | Marchantia |
3. | Pteris | 4. | Pinus |
Male gametes are flagellated in:
1. Polysiphonia
2. Anabaena
3. Ectocarpus
4. Spirogyra
An alga which can be employed as food for human beings:
1. Ulothrix
2. Chlorella
3. Spirogyra
4. Polysiphonia
Select the wrong statement:
1. | Anisogametes differ either in structure, function or behaviour |
2. | In Oomycetes, the female gamete is smaller and motile, while the male gamete is larger and non-motile |
3. | Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy |
4. | Isogametes are similar in structure, function and behaviour |
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
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:
1. xerophytes
2. mesophytes
3. epiphytes
4. hydrophyte
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
Spore dissemination in some liverworts is aided by:
1. elaters
2. indusium
3. calypatra
4. peristome teeth