What happens during fertilisation un humans after many sperms reach close to the ovum?
Options
(a) Secretions of acrosome helps one sperm enter ctoplasm of ovum through zona pellucida (b) All sperms except […]
Which one of the following statements is false in respect of viability of mammalian sperm?
Options
(a) sperm is viable for only up to 24 hours. (b) survival of sperm depends on the […]
Vertebral column is derived from
Options
(a) ectoderm (b) nerve cord (c) endoderm (d) notochord
Correct Answer:
notochord
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Graafian follicies are formed from
Options
(a) columnar epithelium of testes (b) germinal epiithelium of testes (c) assembly of ribosomes of testes (d) none of the above
Correct Answer:
none of the above
Eggs containing a large amount of yolk is called
Options
(a) macrolectithal (b) oligolecithal (c) microlecithal (d) mesolecithal
Correct Answer:
macrolectithal
Explanation:
No explanation available. Be the first to write the explanation for […]
Menstrual flow occurs due to decrease in level of hormone
Options
(a) progesterone (b) FSH (c) oxytocin (d) vasopressin
Correct Answer:
progesterone
Explanation:
No explanation available. Be the first to write the explanation […]
Prostate gland is a
Options
(a) digestive gland (b) sperm producing gland (c) semen secreting accessory gland of male (d) hormone producing gland of the ovary
Correct Answer:
semen secreting accessory gland of […]
Which of the following protects the embryo from external injury?
Options
(a) allantois (b) chorion (c) amnion (d) yolk sac
Correct Answer:
amnion
Explanation:
No explanation available. Be the first to write the […]
Which of the following contains the actual genetic part of a sperm?
Options
(a) whole of it (b) tail (c) middle piece (d) head
Correct Answer:
head
Explanation:
No explanation available. Be the […]
Interauricular septum in the embryonic stages has
Options
(a) fenestra ovalis (b) fossa ovalis (c) fenestra rotunda (d) foramen ovalis
Correct Answer:
foramen ovalis
Explanation:
No explanation available. Be the first to write […]
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