Mark the odd term in each series: Give category for the rest of terms.
Leydig cells; corpus luteum; Graafian follicle; Sertoli cells.

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Solution

Sertoli cells
Leydig cells are situated adjacent to seminiferous tubules and secrete the hormone testosterone.
The Corpus luteum in the ovary produces oestrogen and progesterone.
The graafian follicle of the ovary secretes luteinizing hormone and progesterone.
Leydig cells, corpus luteum, and Graafian follicle all are endocrine glands as they produce hormones.
Sertoli cells helps in spermatogenesis in the testis.
Hence, Sertoli cells is the odd one out and others belong to endocrine glands and produce hormones.

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Similar questions

Identify true/false statements. Correct each false statement to make it true.

(a) Androgens are produced by Sertoli cells. (True/ False)

(b) Spermatazoa get nutrition from Sertoli cells. (True/ False)

(d) Leydig cells synthesis androgens. (True/ False)

(e) Oogenesis takes place in corpus luteum. (True/ False)

(f) Menstrual cycle ceases during pregnancy. (True/ False)

(g) Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/ False)

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Endometrium; corpus luteum; acrosome; Graafian follicle.

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Acrosome; flagellum; spiral mitochondria; spermatozoa

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Testes; prostate; seminal vesicles; Cowper's glands.

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Vas deferens; Fallopian tube; epididymus; Cowper's gland.

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