CBSE 2026 · Region 5 · Set 2 · Q22 · 3 marks

(a)

Draw a sectional view of seminiferous tubule of a human. Label the following cells in the seminiferous tubule :

(i)

Cells that divide by mitosis to increase their number

(ii)

Cells that undergo meiosis I

(iii)

Cells that undergo meiosis II

(iv)

Cells that help in the process of spermiogenesis

(b)

Mention the role of Leydig cells.

CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.