Agar- agar is obtained from
Chlorella
Spirogyra
Ulothrix
Gelidium
D.
Gelidium
Gelidium, Gracilaria, Pterocladia are red algae with industrial importance. They produce a jelly like substance agar- agar, which is used as a culture medium with a number of different uses.
Chlorella is a green algae containing 50% protein and vitamins.
Spirogyra is a green alga which is also known as water- silk.
Duramen is present in
inner region of secondary wood
part of sap wood
outer region of secondary wood
region of pericycle
Most of the economically important fibre yielding plants belong to family
Malvaceae
Solanaceae
Cruciferae
Paceae
In cell cycle, during which phase chromosomes are arranged in equatorial plate?
Metaphase
Anaphase
Telophase
Prophase
Induction of flowering by low temperature treatment is
vernalization
cryobiology
photoperiodism
prunning