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Biology · 2023 · 1 mark
CBSE 2023 · Region 5 · Set 3 · Q6
Given below are structural details of a human mammary gland: 1 (i) The glandular tissue in the breast has 15-20 clusters of cells called alveoli.…
Given below are structural details of a human mammary gland : $\displaystyle 1$
(i)
The glandular tissue in the breast has $\displaystyle 15$-$\displaystyle 20$ clusters of cells called alveoli.
(ii)
The milk is stored in the lumen of alveoli.
(iii)
The alveoli join to form the mammary ducts.
(iv)
Mammary ampulla is connected to lactiferous ducts. Choose the option that gives the correct detail of human mammary gland.
Official answer
(C)
(ii) and (iv)
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CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.