1. Tardigrade
  2. Question
  3. Biology
  4. Assertion: Each seminiferous tubule is lined on its inside by three types of cells. Reason: These cells are male germ cells, Sertoli cells and Leydig's cells.

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Q. Assertion : Each seminiferous tubule is lined on its inside by three types of cells.
Reason : These cells are male germ cells, Sertoli cells and Leydig's cells.

Human Reproduction

Solution:

The seminiferous tubules are not lined inside by three types of cells. Each seminiferous tubule contains two types of cells, such as a group of nondividing support cells called Sertoli cells or nurse cells, and a population of dividing germ cells. The spaces surrounding the seminiferous tubules are called interstitial spaces. Within these spaces reside the interstitial cells or Leydig cells. Thus the correct answer is option D, Both Assertion and Reason are incorrect.