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Biology · 2026 · 2 marks
CBSE 2026 · Region 1 · Set 2 · Q18
(a) Name the muscular and glandular layers of female uterus. Mention one function of each.
(a)
Name the muscular and glandular layers of female uterus. Mention one function of each.
OR
(b)(i)
Why are STI (Sexually Transmitted Infections) not detected in time? ($\displaystyle 2$ pts. )
(ii)
Write two complications caused in later stages.
Marking-scheme solution
(a)
• Muscular layer -Myometrium
Glandular layer – Endometrium
• Function
Myometrium exhibits strong contractions during delivery of the baby.
Endometrium undergoes cyclical changes during menstrual cycle / helps in implantation of blastocyst /takes part in formation of placenta.
OR
(b)(i)
STI are not detected in time due to
-Absence or less significant symptoms in early stages of infection.
-Social stigma attached to STIs.
(ii)
PID or Pelvic Inflammatory disease, abortions, ectopic pregnancy, still births, Infertility, cancer of reproductive tract.
(Any two)
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