171. Sertoli cells are found in testis. These cells are
A
Nurse cell
B
Reprodutive cell
C
Receptor cell
D
None of the above
Answer :
Nurse cell
172.
Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.
A
vas deferens (A); seminal vesicle (B); prostate (C); bulbourethral gland (D)
B
vas deferens (A); seminal vesicle (B); bulbourethral gland (C); prostate (D)
C
ureter (A); seminal vesicle (B); prostate (C); bulbourethral gland (D)
D
ureter (A); prostate(B); seminal vesicle (C); bulbourethral gland (D)
Answer :
vas deferens (A); seminal vesicle (B); prostate (C); bulbourethral gland (D)
173. Human eggs age
A
Alecithal
B
Microlecithal
C
Mesolecithal
D
Macrolecithal
Answer :
Alecithal
174. Phase of menstrual cycle when ovulation occurs in
A
Luteal
B
Menstrual
C
Proliferative
D
Secretory
Answer :
Proliferative
175. Graafian follicle contains
A
Many oocytes
B
Many sperms
C
A single oocte
D
Site for egg fertilisation
Answer :
A single oocte
176. Correct order of spermatogenesis is
A
Spermatocytes, Spermatogonia, Spermatids, Sperm
B
Spermatogonia Spermatid Spermatocytes, Sperm
C
Spermatid Spermatogonia Spermatocytes Sperm
D
Spermatogonia, Primary Spermatocytes, Sec. Spematocytes, Spermatid, Sperm
Answer :
Spermatogonia, Primary Spermatocytes, Sec. Spematocytes, Spermatid, Sperm
177. Which set of enzymes is found in the acrosome of mammalian spermatozoa
A
Hyaluronidase, Corone Penetrating Enzyme (CPE)
B
Hyaluronidase, CPE, Zona lysine
C
Hyaluronidase, CPE, Peptidase
D
Hyaluronidase only
Answer :
Hyaluronidase, CPE, Zona lysine
178. Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?
A
Relaxin
B
Oestrogen
C
Prolactin
D
Oxytocin
Answer :
Oxytocin
179. The sperm producing substance of enzymatic nature of sperm lysin. eIn mammals it is called
A
Hyaluronidase
B
Hyaluronic acid
C
Androgamone
D
Cryanogamone
Answer :
Hyaluronidase
180. Which one is primary sex organ
A
Scrotum
B
Penis
C
Testis
D
Prostrate
Answer :
Testis