NCERT Exemplar · Q23
Q.A two-column table pairs certain organs of the human female reproductive system (Column A) with an associated event or function (Column B). Reading the rows from top to bottom, the pairs are:
(i) Ovaries — Ovulation;
(ii) Oviduct — blank (a);
(iii) blank
(b) — Pregnancy;
(iv) Vagina — Birth. Identify the correct entries for the two blank boxes labelled
(a) and (b).
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Start your 14-day free trial to unlock the full solution →The table links each female reproductive organ with the key event it performs. The oviduct is the site of fertilisation, so blank (a) is Fertilisation. Pregnancy is carried out by the Uterus, so blank (b) is Uterus. The two given pairs — Ovaries–Ovulation and Vagina–Birth — set the pattern.
Concept
In the human female reproductive tract, each organ carries out a specific stage in reproduction. The table is built on an organ-to-function correspondence, so each blank must be filled by the logically matching partner.
Working through the given pairs
- Ovaries — Ovulation: The ovaries are the female gonads; a mature Graafian follicle ruptures and releases the secondary oocyte, an event called ovulation. (Given — confirms the pattern is organ → event.)
- Vagina — Birth: The vagina acts as the birth canal through which the foetus is delivered at parturition. (Given.)
Filling the blanks
- (a) Oviduct — ? The oviduct (fallopian tube), specifically at the ampullary–isthmic junction, is where the released ovum meets the sperm and the two gametes fuse. The event associated with the oviduct is therefore Fertilisation. …
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