Which one of the following matches is correct?
(a) | Phytophthora | Aseptate Mycelium | Basidiomycetes |
(b) | Alternaria | Sexual reproduction Absent | Deuteromycetes |
(c) | Mucor | Reproduction by conjugation | Ascomycetes |
(d) | Agaricus | Parasitic fungus | Basidiomycetes |
Read the following five statements (I to V) and select the option with all correct statements.
I: | Mosses and lichens are the first organisms to colonise bare rock. |
II: | Selaginella is a homosporous pteridophyte. |
III: | Coralloid roots in Cycas have VAM. |
IV: | Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. |
V: | In gymnosperms, male and female gametophytes are present within sporangia located on sporophytes. |
1. | I, III and IV | 2. | II, III and IV |
3. | I, IV and V | 4. | II, III and V |
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: