Seminal plasma mainly consists of contributions from all the following except:
1. Testes
2. Seminal vesicles
3. Prostate
4. Bulbo-urethral glands
Which one of the following statements is false in respect of viability of mammalian sperm?
1. | Viability of sperm is determined by its motility. |
2. | Sperms must be concentrated in a thick suspension. |
3. | Sperms are viable for only up to 24 hours. |
4. | Survival of sperm depends on the pH of the medium and is more active in alkaline medium. |