Which one of the following statements is false in respect of viability of mammalian sperm?
Which one of the following statements is false in respect of viability of mammalian sperm?
- [AIPMT 2012]
- A
Sperm is viable for only up to $24$ hours.
- B
Survival of sperm depends on the pH of the medium and is more active in alkaline medium.
- C
Viability of sperm is determined by its motility.
- D
Sperms must be concentrated in a thick suspension.
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- [AIPMT 1993]
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Arrange in correct sequence the structures formed during spermatogenesis
$(a)$ Spermatogonia
$(b)$ Secondary spermatocyte
$(c)$ Primary spermatocyte
$(d)$ Spermatid
Arrange in correct sequence the structures formed during spermatogenesis
$(a)$ Spermatogonia
$(b)$ Secondary spermatocyte
$(c)$ Primary spermatocyte
$(d)$ Spermatid