Description : Which set of enzymes is found in the acrosome of mammalian spermatozoa :
Last Answer : Which set of enzymes is found in the acrosome of mammalian spermatozoa : A. Hyaluronidase , ... Hyaluronidase , CPE , Peptidase D. Hyaluronidase only
Description : During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte
Last Answer : During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte A. 1 B. 2 C. 4 D. 8
Description : The difference between spermiogenesis and spermiation is (a) in spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed (b) in spermiogenesis spermatozoa are formed, ... in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules
Last Answer : (d) in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.
Description : The difference between spermiogenesis and spermiation is (1) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed. (2) In spermiogenesis spermatozoa are formed, ... in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.
Last Answer : (4) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.
Description : Write the function of each of the following (i)Seminal vesicle (ii)Scutellum (iii)Acrosome of human sperm -Biology
Last Answer : (i)Seminal vesicle spermatogenesis It secretes an alkaline fluid that helps in neutralising the acidity of the vaginal tract and thereby increase the lifespan of sperms. Secretion of seminal vesicle is ... which help the sperm enter into the cytoplasm of the ovum and thus helps in fertilisation.
Description : Acrosome of sperm contains
Last Answer : Acrosome of sperm contains A. Hydrolytic enzymes B. DNA C. Fructose D. Mitochondria.
Description : In the absence of acrosome the sperm
Last Answer : In the absence of acrosome the sperm A. Cannot penetrate the egg B. Cannot get food C. Cannot get energy D. Cannot swim.
Description : Acrosome reaction of sperm is triggered by
Last Answer : Acrosome reaction of sperm is triggered by A. Capacitation B. Release of lysin C. Release of fertilizin D. Influx of `Na^(+)`
Last Answer : Acrosome of sperm contains A. Hyluronidase and acrosin B. Hyaluronic acid and acrosin C. Hippuric acid and uric acid D. Creatinine.
Description : Acrosome is made up of
Last Answer : Acrosome is made up of A. Mitochondria B. Centrioles C. golgi bodies D. Ribosomes.
Description : Which part of the spermatid forms acrosome of sperm ?
Last Answer : Which part of the spermatid forms acrosome of sperm ? A. Mitochondria B. Golgi body C. Nucleus D. Lysosome
Description : The acrosome plays a role in :-
Last Answer : The acrosome plays a role in :- A. Fusion of nuclei of gametes B. Motality of sperm C. Penetration of sperm into ovum D. All of the above
Description : Space between acrosome and nucleus is called :-
Last Answer : Space between acrosome and nucleus is called :- A. Nebenkern B. Perforatorium C. Nucleus of Pander D. Perivitelline space
Description : Acrosome formation in spermatogenesis occurs in which stage ?
Last Answer : Acrosome formation in spermatogenesis occurs in which stage ? A. First meiotic division B. Second meiotic division C. Growth phage D. Spermiogenesis
Description : Acrosome reaction in sperm is triggered by (a) capacitation (b) release of lysin (c) influx of Na+ (d) release of fertilizin.
Last Answer : (c) total
Description : Fertilizin is a chemical substance produced from (a) polar bodies (b) middle piece of sperm (c) mature eggs (d) acrosome.
Last Answer : (c) mature eggs
Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.
Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.
Description : Which one of the following statements about human sperm is correct? (a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation. (b) The ... a sensory structure leading the sperm towards the ovum. (d) Acrosome serves no particular function
Last Answer : (b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation.
Description : 9.Acrosome is important for ----------- . a)ATP production, b)Dissolving membrane of ovum, c)Motility of sperm, d)Nutrition of sperm
Last Answer : b)Dissolving membrane of ovum,
Description : What would motivate a younger, modern-day woman, 2015, to paint on eyebrows that look like (forgive the example) giant brown spermatozoa?
Last Answer : Maybe she has no artistic sense. My uncle’s girlfriend painted on her eyebrows, because hers were so light, even though she had brown hair. Hers looked like stock Harley-Davidson handlebars.
Description : Spermatozoa not ejaculated are reabsorbed I the
Last Answer : Spermatozoa not ejaculated are reabsorbed I the A. Ejaculatory duct B. Urethra C. Vas efferens D. Vas deferens.
Description : Identify the correct passage of spermatozoa in male human reproductive system.
Last Answer : Identify the correct passage of spermatozoa in male human reproductive system. A. Vas deference B. Epididymis C. Urethra D. Vasa efferentia
Description : Identify the complete and correct sequence in the passage of spermatozoa.
Last Answer : Identify the complete and correct sequence in the passage of spermatozoa. A. Seminiferous tubules ` ... ` Ejaculatory duct `rarr` Vagina of female.
Description : Spermatids are transformed into spermatozoa by
Last Answer : Spermatids are transformed into spermatozoa by A. Spermiogenesis B. Spermatosis C. Meiosis D. Spermiation.
Description : Which secretions are produced by spermatozoa at the time of fertilization
Last Answer : Which secretions are produced by spermatozoa at the time of fertilization A. Fertilizin and ... an d antifertilizin D. Antifertilizin and spermlysin.
Description : What will happen to spermatozoa at `0^(@)C` temperature :-
Last Answer : What will happen to spermatozoa at `0^(@)C` temperature :- A. All sperm will die B. ... They will become inactive temporarily D. Tails will be lost
Description : How many secondary spermatocytes will form 400 spermatozoa :-
Last Answer : How many secondary spermatocytes will form 400 spermatozoa :- A. 100 B. 400 C. 40 D. 200
Description : Spermatozoa are nourished during their development by
Last Answer : Spermatozoa are nourished during their development by A. Sertoli cells B. Interstitial cells C. Connective tissue cells D. None
Description : Which of the following property of prostaglandins has been utilized by chinicians in hospital for (A) Inducing fever (B) Causing inflammation (C) Effecting smooth muscle contraction (D) Disaggregation of spermatozoa
Last Answer : Answer : C
Description : Spermatozoa in seminal fluid utilises the following sugar for metabolism: (A) Galactose (B) Glucose (C) Sucrose (D) Fructose
Last Answer : Answer : D
Description : What is the correct sequence of sperm formation? (a) Spermatogonia, spermatozoa, spermatocytes, spermatids (b) Spermatogonia, spermatocytes, spermatids, spermatozoa (c) Spermatids, spermatocytes, spermatogonia, spermatozoa (d) Spermatogonia, spermatocytes, spermatozoa, spermatids
Last Answer : (b) Spermatogonia, spermatocytes, spermatids, spermatozoa
Description : 1.Spermatids are transformed into spermatozoa by (a)Spermiation (bSspermatogenesis (c)Spermiogenesis (d)Sermatocytogenesis
Last Answer : ANS.(C) Spermiogenesis