define following terms:
a)hypocotyl
b)testa
c)perisperm
d)xenogamy
e)scutellum
Answers
Answer: hey mate here is your answer..
a.. hypocotyl is the part of the stem of an embryo plant beneath the stalks of the seed leaves or cotyledons and directly above the root
b.testa is the protective outer covering of a seed; the seed coat
c. prisperm is a mass of nutritive material outside the embryo sac.
d. xenogamy is fertilization of a flower by pollen from a flower on a genetically different plant
e. scutellum a small structure shaped like a shield. a modified cotyledon in the embryo of a grass seed
hope you get this
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Explanation:
a)Hypocotyl: the part of the stem of an embryo plant beneath the stalks of the seed leaves or cotyledons and directly above the root
b) testa: the protective outer covering of a seed is called testa.
c) perisperm:nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac —distinguished from endosperm.
d) xenogamy :cross-pollination between flowers on different plants is known as xenogamy.
e) scutellum: The Scutellum is part of the structure of a barley and rice.
hope it's help you.......