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Q 2685501467.     (a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the
following parts in it:
(i) That develops into a seed coat.
(ii) That develops into an embryo after fertilization.
(iii) That develops into an endosperm in an albuminous seed.
(iv) Through which the pollen tube gains entry into the embryo sac.
(v) That attaches the ovule to the placenta.
(b) Describe the characteristics features of wind pollinated flowers.
(a) Draw a diagrammatic sectional view of the female reproductive system of
human and label the parts,
(i) where the secondary oocytes develop
(ii) which helps in collection of ovum after ovulation.
(iii) Where fertilization occurs.
(iv) Where implantation of embryo occurs.
(b) Explain the role of pituitary and the ovarian hormones in menstrual cycle in
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)