Development of the zygotes into young embryo takes within the female gametophytes in
1. Adiantum.
2. Selaginella.
3. Riccia.
4. Batrachospermum.
Monoecious plant of Chara shows the occurrence of:
1. | Stamen and carpel of the same plant |
2. | upper antheridium and lower oogonium on the same plant |
3. | upper ooganium and lower antheridium on the same plant |
4. | antheridiophore and archegoniophore on the same plant |
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
Rauwolfia serpentina is used in:
1. Curing high blood pressure
2. Kidney failure
3. Eye defect
4. Diabetes
In gymnosperms, the pollen chamber represents:
1. | a cell in the pollen grain in which the sperms are formed |
2. | a cavity in the ovule in which pollen grains are stored after pollination |
3. | an opening in the megagametophyte through which the pollen tube approaches the egg |
4. | the microsporangium in which pollen grain develop |
1. Curing high blood pressure
2. Kidney failure
3. Eye defect
4. Diabetes