Q 2655112964.     The following is the illustration of the sequence of ovarian events (a-i) in a human
female. [5]
(i) Identify the figure that illustrates ovulation and mention the stage of oogenesis it
represents.
(ii) Name the ovarian hormone and the pituitary hormone that have caused the above
mentioned event.
(iii) Explain the changes that occur in the uterus simultaneously in anticipation.
(iv) Write the difference between ‘c’ and ‘h’.
(v) Draw a labelled sketch of the structure of a human ovum prior to fertilization.
OR
How does the megaspore mother cell develop into 7- celled, 8 nucleate embryo sac in an
angiosperm? Draw a labelled diagram of a mature embryo sac.