Thursday, 12 April 2012

Activity 1 (pregnancy and fertilization)


Unit 14: Fertilisation, pregnancy and pre-natal care
 Activity sheet 1

Name: _________________________________
Form:  _________________________________
Date:   _________________________________

Draw arrows to show the journey of the sperm towards the ovum.




1. Where does fertilisation take place in a woman?

A. Fallopian tube
B. Uterus
C. Ovary
D. Cervix


2. Where is the embryo implanted?

A. Fallopian tube
B. Lining of the uterus
C. Ovary
D. Cervix


3. What attaches itself to the lining of the uterus?

A. Foetus
B. Embryo
C. Placenta
D. Zygote



4. Complete this description of the fertilisation process in humans.
    Write down the correct answers in the spaces given.

The sperms are ejaculated into the ______________ of the female
during sexual intercourse. The sperms have to swim through the
__________ and up through the ____________ before they reach
the fallopian tube. If a sperms meets and fuses with an ovum, a
__________ is formed.


5. Rearrange the following pictures according to their stages of development.
    Fill in the blanks with correct answers.

P : Embryo  Q :  Foetus   R : Zygote  S : Baby

________􀃆 ________􀃆 ________􀃆 ________


6. Name the process that occur at the following part ;
     i) fallopian tube  :  ___________________
    ii) uterus wall      :  ___________________

7. What is fertilization?
     __________________________________________________

8. The following information are the stages of fertilization and pregnancy
    L  - Implantation
    M - Zygote formation
    N  - Ovulation
    P  - Fertilisation
     The correct sequence is
      ______,_______,_______,________
9. What is the substance that surrounds the foetus in the mother's uterus?
    _________________________________

10. Development of zygote:
     Zygote,____________,_____________,___________.

11. A ball of cells produced through cell division is known as _____________

12. What is developed before the foetus is formed?
    ____________________________________





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