Question

Which one of the following statements is false in respect of viability of mammalian sperm ?

(a) Sperm is viable for only up to 24 hrs 

(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

Answer 1

Correct option (a) Sperm is viable for only up to 24 hrs 

Explanation

Viability of a sperm means the capability of a sperm, to fertilise an egg. 

Sperms are viable for 24 h to 48 h, whereas the ovum is viable for only 24 h.