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Teachers and Students grade 11&12 level Biology are welcome

2 May 2012

Assignment 1.3.1a to 1.3.4a

Assignment 1.3.1 to 1.3.4

Bio XII  1.3.1

Q.1.  Draw labeled diagram of male reproductive system and make a list of different parts.

Q.2.  Draw labeled diagram of female reproductive system and make a list of different parts.

Q.3.  Draw labeled diagram of :                     A. human sperm.      B Mature Graffian follicle. 

Q.4. Draw flow chart of 

A.  Hormonal control of Male reproductive system. 

B. Hormonal control of female reproductive system.

Q.5.  With the help of diagram show:

A. Spermatogenesis       B.  Oogenesis





Bio XII 1.3.2

Q.1.  Write the name of  hormones and their function .

a.    Female hormone

b.    Pregnancy hormone 

c.    Birth hormone

d.    Milk hormone 

Q.2.  Write meaning of following terms:

i.              Puberty

ii.            Menarche 

iii.           Menopause

iv.           Menstruation

v.            Copulation 

vi.           Cleavage 

vii.          Implantation 

viii.        Gestation

ix.           Embryogenesis

x.            Organogenesis

xi.           Foetus

xii.          Parturition 

xiii.        Lactation

xiv.        Colostrum

Q.3.  Differentiate between spermiogenesis and spermiation.

Q.4.  What is the normal sperm count value of a person?

Q. 5.  Which type of spermatogonia undergo spermatogenesis? What happens to other type?



Bio XII 1.3.3

Q.1.  Name the following

a)      Stage at which primary oocytes are present in the ovary of a female at the time of birth

b)      Stage at which secondary oocytes are released from the ovary at the time of ovulation

Q.2.  What is placenta? Name the hormones released by it.

Q. 3. Describe the following terms in context to human placenta:    

a.    Haemochorial

b.     Chorio Allantoic 

Q.4. Write the functionds of placenta. ( min. Five points )

Q.5. What are chorion villi? What is their function?

Q.6. Name the four extra embryonic layers present in human.






Bio XII 1.3.4

Q.1  Draw labeled diagram through a section of mammary gland.

Q.2.  where does fertilisation takes place?

Q. 3. At what stage implantation of embryo takes place in the uterus in human female.

Q.4.  Which type ( name) of cells produce testosterone?

Q.5.  Which hormone is produced by corpus luteum? Write any how does this plays important role in maintaining pregnancy?

Q.6  Name the hormones responsible for breast development.




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