In which of the following gametophyte is not independent free-living?
1. | Funaria | 2. | Marchantia |
3. | Pteris | 4. | Pinus |
Which one of the following statements is wrong?
1. Algin and carrageenan are products of algae
2. Agar-agar is obtained from Gelidium and Gracilaria
3. Chlorella and Spirulina are used as space food
4. Mannitol is stored food in Rhodophyceae
The guts of a cow and a buffalo possess:
1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria
Male gametes are flagellated in:
1. Polysiphonia
2. Anabaena
3. Ectocarpus
4. Spirogyra
Vascular bundles in monocotyledons are considered closed because:
1. | a bundle sheath surrounds each bundle |
2. | cambium is absent |
3. | there are no vessels with perforations |
4. | xylem is surrounded all around by phloem |
is the floral formula of:
A major characteristic of the monocot root is the presence of:
1. | Scattered vascular bundles |
2. | Vasculature without cambium |
3. | Cambium sandwiched between phloem and xylem along the radius |
4. | Open vascular bundles |
Keel is the characteristic feature of a flower of:
Perigynous flowers are found in:
Leaves become modified into spines in the: