Algal zone is present in
normal root of Cycas
coralloid root of Cycas
normal root of Pinus
stem of Cycas
B.
coralloid root of Cycas
The cortex in coralloid roots of Cycas is divided into inner and outer regions by algal zone. The cells of this zone contain endophytic algal forms particularly Anabaena cycadeae and Nostoc punctiforme.
Which of the following element plays an important role in nitrogen fixation
Zinc
Molybdenum
Manganese
Copper
The terminal electron acceptor during electron transport system is
oxygen
cyto a3
cyto c
plasto quinone
'Reindeer moss' is common name for
Funaria hygrometrica
Marchantia sp
Cladonia rangifera
Polytrichum sp
Periderm includes
cork cambium only
cork cambium and cork
cork and secondary cortex
cork cambium, cork and secondary cortex
In Spirogyra sometimes a ladder like structure is present due to
vegetative reproduction
asexual reproduction
lateral conjugation
scalariform conjugation