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
Paraffin wax is
ester
acid
monohydric alcohol
cholesterol
A.
ester
Waxes are esters formed between a long chain alcohol and saturated fatty acids. It is pliable and soft when warm but hard and water resistant when cold.
Steroids are complex compounds commonly found in cell membrane and animal hormone. Eg, Cholesterol, it reinforces the structure of cell membrane in animal cells.
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