According to histogen theory, stem epidermis is derived from
Calyptrogen
Dermatogen
Protoderm
Periblem
Tissue commonly known as passport point or biological check post is characterised by
Rod shaped elongated sclereids found in the seed coats of pulses are known as
Assertion: The two cotyledons in seed are embryonic leaves.
Reason: The embryo contains radicle and plumule
Vascular bundles in monocotyledons are considered closed because :
Vessels are absent in