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Human Reproduction-CBSE Class 12th NCERT Solution

Aug 3, 2013 17:48 IST

    Get, detailed solutions to the questions of the chapter Human Reproduction from NCERT textbooks. The objective is to helping students regarding the pattern of answering the question as per the cbse latest marking scheme.Cbse.jagranjosh.com provided you NCERT solutions for classes 12th math and science subjects .
    Some questions of this chapter are given here.


    Q. Write two major functions each of testis and ovary.


    Two major functions of testis are:

    a) It produces sperms.

    b) It provides nutrition to germ cells and secretes androgens.

    Two major functions of ovary are:

    a) It produces collection of steroid hormones also termed ovarian hormones.

    b) Produces female gametes called ovum.

    Q. Describe the structure of a seminiferous tubule.

    Answer 5. Seminiferous tubules are lined by two types of cells, spermatogonia and sertoli cells from inside. Spermatogonia cells form sperms through mitotic division, while nutrition to germ cells is provided by sertoli cells. The regions outside the seminiferous tubules called interstitial spaces which contain small blood vessels and Leydig cells, androgens are secreted from Leydig cells.

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