A genophore is made up of
a single double stranded DNA
a single stranded DNA
RNA and histones
histones and non- histones
Which of the following is not caused by deficiency of mineral?
Chlorosis
Etiolation
Shortening of internodes
Necrosis
Ginger is an underground stem. It is distinguished from root because
it lacks chlorophyll
it stores food
it has nodes and internodes
it has xylem and vessels
C.
it has nodes and internodes
Underground stems can be differentiated from roots by
(i) Absence of root cap
(ii) Absence of root hair
(iii) Presence of terminal bud
(iv) Presence of nodes and internodes
(v) Occurrence of foilage or scale leaves on the nodes.