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Human Reproduction — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Reproduction3 Marks
Question
Study the figure given:
  1. Pick out and name the cells that undergo spermiogenesis.
  2. Name 'a' and 'b' cells. What is the difference between them with reference to the number of chromosomes?
  3. Pick out and name the motile cells.
  4. What is 'f'cell? Mention its function.
  5. Name the structure of which the given diagram is a part.
✓

Answer

  1. d - spermatid.
  2. a - spermatogonium.
b - primary spermatocyte.

Both are diploid cells (2n = 46)
  1. e - spermatozoa.
  2. f - Sertoli cell. It nourishes the germ cells.
  3. Seminiferous tubule.

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