Biology XII

Mrs. Sarala N., PGT(Bio)

Date of submission: 27/06/2011

 

Answer the following questions.

1.With the help of diagram explain

  a) Spermatogenesis

  b) Oogenesis

  c) Female reproductive system in human

  d) Male reproductive system in human

  e) Embryonic development in human

   f) Menstrual cycle

2. Differentiate between

  1. Spermatogenesis  & oogenesis
  2. Spermatogenesis & spermeogenesis
  3. Menarche & menopause
  4. Parturition & micturition

3.Draw labeled diagram of

    a) mammalian sperm

    b) ovum

    c) T.S. of Ovary

    d) T,S. of seminiferous tubule.

    e)  Blastocyst

    f) female reproductive system

4.What is colostrum? What is it’s importance ?

5 What is the function of placenta? Explain it’s endocrine role.

6. What are the functions of testis & ovary.

7. Write the functions of  corpus leuteum, acrosome.Sertoli cells, Leidig cells

Date of submission- reopening day

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