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Draw the following diagrams related to h...

Draw the following diagrams related to human reproduction and label them.
(a) The zygote after the first cleavage division
(b) Morula stage
(c) Blastocyst stage (sectional view)

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(a) The zygote after the first clearage division-

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(a) Draw a diagram of the adult human female reproductive system and label the different : (i) parts of fallopian tube (ii) layers of uterus wall (b) Explain the events during fertilization of an ovum in humans.

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(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 human females.

Draw a diagram of the human eye as seen in a vertical section and label the parts which suits the following descriptions relating to the : Anterior chamber seen in front of the eye lens.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-C
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