Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The cavity of the cervix is called cervical canal, which along with vagina forms the birth canal.
Reason (R): The uterus opens into the vagina through a wide cervix.
In the light of the above statements, choose the most appropriate answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (A) is true but (R) is false.
Assertion (A): The cavity of the cervix is called cervical canal, which along with vagina forms the birth canal. — True. The uterus opens into the vagina through the cervix. The cavity of the cervix, the cervical canal, together with the vagina forms the birth canal through which the baby is delivered.
Reason (R): The uterus opens into the vagina through a wide cervix. — False. The book says the uterus opens into the vagina through a narrow cervix, not a wide one.
A is true but R is false.
NCERT Extract:
The Female Reproductive System – “… The uterus is single and it is also called womb. The shape of the uterus is like an inverted pear. It is supported by ligaments attached to the pelvic wall. The uterus opens into vagina through a narrow cervix. The cavity of the cervix is called cervical canal (Figure 2.3b) which alongwith vagina forms the birth canal.”