Q1 of 63 Page 162

State whether the following statements are TRUE (T) or FALSE (F):

(i) Fertilisation occurs in the vagina. (T/F)


(ii) The uterus is also known as the birth canal. (T/F)


(iii) Nutrition and oxygen diffuse from the mother’s blood into the foetus’s blood through amnion. (T/F)


(iv) Gestation period in humans is about 380. (T/F)

(i) False


Explanation: Fertilisation occurs at the end of the fallopian tube.


(ii) False


Explanation: Cervix, vagina, and vulva form the birth canal.


(iii) False


Explanation: Nutrition and oxygen diffuse from the mother’s blood into the foetus’s blood through the placenta.


(iv) False


Explanation: Gestation period in humans is about 280.


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4

Give appropriate terms for each of the following:

(a) The onset of reproductive phase in a female.


(b) Rupture of follicle and release of the ovum from the ovary.


(c) Monthly discharge of blood and disintegrated tissues in the human female.


(d) Process of fusion of ovum and sperm.


(e) Fixing of developing zygote (blastocyst) on the uterine wall.

 5

Match the items in column I with those in column II and write down the matching pairs (some may not match)



































Column I



Column II



(a) Acrosome



(i) An embryo which looks like human baby



(b) Gestation



(ii) Luteinizing hormone



(c) Menopause



(iii) Ovum producing cells



(d) Foetus



(iv) Semen



(e) Oogenesis



(v) Spermatozoa



(f) Ovulation



(vi) Complete stoppage of menstrual cycle




(vii) Time taken by a fertilized egg till the delivery of baby.


 1

Rewrite any two of the wrong statements by correcting only one word either at the beginning or at the end of the sentence.

 2

Complete the following table by writing the name of the structure or the function of the given structure:































Structure



Function



1. Corpus luteum



1. _________



2. _________



2. Produces male gametes in mas.



3. Placental disc



3. ______________



4. _________



4. Increases the force of uterine contraction



5. Umbilical cord.



5. ____________



6. Fallopian tube



6. ________________