Description : Assertion : After ovulation ruptured graafian follicle transforms into corpus luteum . Reason : Corpus luteum act as endocrine gland and it is stable
Last Answer : Assertion : After ovulation ruptured graafian follicle transforms into corpus luteum . Reason : Corpus ... If both Assertion & Reason are False.
Description : Assertion. Corpus luteum is produced by Graafian follicle after ovulation Reason. It secretes estrogen which is necessory to maintain pregnancy.
Last Answer : Assertion. Corpus luteum is produced by Graafian follicle after ovulation Reason. It secretes estrogen which is necessory to ... A. A B. B C. C D. D
Description : The figure shows a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic (a) B- Corpus luteum - Secretes progesterone (b) A- ... Secretes estrogen (d) A- Primary oocyte - It is in the prophase I of the meiotic division
Last Answer : (a) B- Corpus luteum - Secretes progesterone
Description : Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) ... ) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone
Last Answer : (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone
Description : 3. Graafian follicle transforms into corpus luteum a) In the absence of fertilisation b) to secrete estrogen c) To secrete progesterone d) for disintegration of endometrium
Last Answer : c) To secrete progesterone
Description : After ovulation Graafian follicle regresses into (a) corpus artesia (b) corpus callosum (c) corpus luteum (d) corpus albicans.
Last Answer : (c) corpus luteum
Description : Which of the following events is not associated with ovulation in human female? (a) Release of secondary oocyte (b) LH surge (c) Decrease in estradiol (d) Full development of Graafian follicle
Last Answer : (c) Decrease in estradiol
Description : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and developed to form Graafian follicle .
Last Answer : Assertion : Menarche starts around the age of puberty . Reason : After birth oocyte is matured and ... D. If both Assertion & Reason are False.
Description : 8.The reason for increased amount of progesterone during the secretory phase of menstrual cycle is ---- ---- . ( a)Maturation of secondary follicle, b)Increased secretion of FSH, c)Regression of corpus luteum, d)Formation of corpus luteum from Graafian follicle )
Last Answer : d)Formation of corpus luteum from Graafian follicle
Description : Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature Graafian follicle . Reason : Endometrium of ute
Last Answer : Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature ... D. If both Assertion & Reason are False.
Description : The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm ... with that of the ovum (d) in the Graafian follicle following the first maturation division.
Last Answer : (b) until after the ovum has been penetrated by a sperm
Description : Which part of ovary in mammals acts as an endocrine gland after ovulation? (a) Stroma (b) Germinal epithelium (c) Vitelline membrane (d) Graafian follicle
Last Answer : (d) Graafian follicle
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : In which phase of menstrual cycle Graafian follide transform as the corpus luteum.
Last Answer : In which phase of menstrual cycle Graafian follide transform as the corpus luteum. A. Luteal B. Proliferation C. Follicular D. Growth
Description : During late pregnancy, the major source of progesterone is (A) Adrenal cortex (B) Placenta (C) Corpus luteum (D) Graafian follicles
Last Answer : Answer : B
Description : Which set is similar? (a) Corpus luteum - Graafian follicles (b) Sebum - Sweat (c) Bundle of His - Pacemaker (d) Vitamin B7 - Niacin
Last Answer : a) Corpus luteum - Graafian follicles
Description : Which set is similar? (a) Corpus luteum - Graafian follicles (b) Sebum - Sweat (c) Bundle of His - Pace maker (d) Vitamin B7 - Niacin
Last Answer : (a) Corpus luteum - Graafian follicles
Description : Assertion : After fertilization corpus luteum is stable till parturition . Reason : After 3 months of intrauterine , life it dominantly secretes proge
Last Answer : Assertion : After fertilization corpus luteum is stable till parturition . Reason : After 3 months of ... D. If both Assertion & Reason are False.
Description : If mammalian ovum fails to get fertilised, which one of the following is unlikely? (a) Corpus luteum will disintegrate. (b) Progesterone secretion rapidly declines. (c) Estrogen secretion further increases. (d) Primary follicle starts developing.
Last Answer : (c) Estrogen secretion further increases.
Description : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due
Last Answer : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The ... D. If both Assertion & Reason are False.
Description : Assertion : Estrogen level is high during the follicular phase of menstrual cycle . Reason : During this phase corpus luteum secrete large amount of e
Last Answer : Assertion : Estrogen level is high during the follicular phase of menstrual cycle . Reason : During this ... D. If both Assertion & Reason are False.
Description : Assertion : Corpus luteum is present in proliferative phase of menstrual cycle . Reason : High concentration of progesterone is present in proliferati
Last Answer : Assertion : Corpus luteum is present in proliferative phase of menstrual cycle . Reason : High ... . If both Assertion & Reason are False.
Description : Assertion : Inhibin is secreted by the corpus luteum. Reason : They inhibit the FSH and GnRH production.
Last Answer : Assertion : Inhibin is secreted by the corpus luteum. Reason : They inhibit the FSH and GnRH ... D. If both Assertion and Reason are false.
Description : Assertion : Chorionic gonadotrophin prevents corpus luteum from involuting. Reason : It has the property similar to luteinzing hormone.
Last Answer : Assertion : Chorionic gonadotrophin prevents corpus luteum from involuting. Reason : It has the property ... If both Assertion and Reason are false.
Description : Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.
Last Answer : (d) at the time of fusion of a sperm with an ovum.
Description : Distingeration of corpus luteum occurs due to inhibiton of secretion of hormone
Last Answer : Distingeration of corpus luteum occurs due to inhibiton of secretion of hormone A. LTH B. FSH C. Progesterone D. LH.
Description : Yellow corpus luteum occurs in a mammals in
Last Answer : Yellow corpus luteum occurs in a mammals in A. Heart to initiate heart beat B. Skin ... cerebral hemispheres D. Ovary for secretion of progesterone.
Description : Exchange of oxygen, carbon dioxide, nutrients and waste products from mother to fetus occurs through diffusion across the: a) chorionic villi (pron: core-e-on-ick villi) b) endometrium c) corpus luteum d) colostrum
Last Answer : ANSWER: A -- CHORIONIC VILLI
Description : Assertion : Ovulation occurs on the `14^(th)` day of menstrual cycle in a human female . Reason : The high level of estrogen is controlled 2 or 3 days
Last Answer : Assertion : Ovulation occurs on the `14^(th)` day of menstrual cycle in a human female . Reason : ... False . D. If both Assertion & Reason are False.
Description : The cavity contained in Graafian follicle is
Last Answer : The cavity contained in Graafian follicle is A. Antrum B. Centrocoel C. Blastocoel D. Archenteron.
Description : In mammals the estrogens are secreted by the Graafian follicle from its :-
Last Answer : In mammals the estrogens are secreted by the Graafian follicle from its :- A. External theca B. Internal theca C. Zona pellucida D. Corona radiata
Description : In the diagram of section of Graafian follicle , different parts are indicated by alphabets . Choose the correct combination
Last Answer : In the diagram of section of Graafian follicle , different parts are indicated by alphabets . Choose ... cumulus oophorus , e-antrum , f-theca interna
Description : In a Graafian follicle:
Last Answer : In a Graafian follicle: A. Many oocytes B. Many sperms C. A single oocyte D. Site for egg fertilisation
Description : Match column I with column II and select the correct option using the given codes. Column I Column II A. Mons pubis (i) Embryo formation B. Antrum (ii) Sperm C. Trophectoderm (iii)Female external genitalia D. Nebenkern (iv) Graafian ... (i), C-(iv), D-(ii) (d) A-(i), B-(iv), C-(iii), D-(ii
Last Answer : (b) A-(iii), B-(iv), C-(i), D-(ii)
Description : Lamina propria is connected with (a) acini (b) liver (c) Graafian follicle (d) intestine.
Last Answer : intestine
Description : Estrogens exert the following actions except: A. Cornification of vaginal epithelium B. Proliferation of endometrium C. Maturation of graafian follicle D. Anabolism
Last Answer : C. Maturation of graafian follicle
Description : Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology
Last Answer : (i) Sectional view of human ovary. (ii) Morula is formed in the (a)Isthmus of the oviduct (Fallopiantube). (b)The zygote undergoes mitotic divisions in quick succession called cleavage, forming 2, 4 ... 8-16 blastomeres is called a morula and the inner cell mass gets ready to form the embryo proper.
Description : Which induces the development of corpus luteum :
Last Answer : Which induces the development of corpus luteum : A. LH B. Oestrogen C. FSH D. LTH
Description : Select the option which correctly matches the endocrine gland with its hormone and its function. Endocrine Hormone Function gland (a) Placenta Estrogen Initiates secretion of the milk (b) Corpus ... of sperms (d) Ovary FSH Stimulates follicular development and the secretion of estrogens
Last Answer : (c) Leydig’s Androgen Initiates the cells production of sperms
Description : Egg is liberated from ovary in (a) secondary oocyte stage (b) primary oocyte stage (c) oogonial stage (d) mature ovum stage.
Last Answer : (a) secondary oocyte stage
Description : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f
Last Answer : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason ... . D. If both Assertion & Reason are False.
Description : The follicle that ruptures at the time of ovulation promptly fills with blood , forming :-
Last Answer : The follicle that ruptures at the time of ovulation promptly fills with blood , forming :- A. ... Corpus luteum C. Corpus albicans D. Corpus callosum
Description : Which of the following hormone levels will cause release of ovum (ovulation) from the Graffian follicle? (a) High concentration of Estrogen (b) High concentration of Progesterone (c) Low concentration of LH (d) Low concentration of FSH
Last Answer : a) High concentration of Estrogen
Description : What is corpus luteum? -Biology
Last Answer : answer:
Description : What is corpus luteum ?
Last Answer : : The part of the graphene follicle that is in the ovary after ovulation is called corpus lutea .
Description : During pregnancy degeneration of corpus luteum is prevented by the hormone
Last Answer : During pregnancy degeneration of corpus luteum is prevented by the hormone A. hCG B. hPL C. LH, estrogen and estradiol D. Relaxin.
Description : Corpus luteum releases
Last Answer : Corpus luteum releases A. Androgen B. Progesterone C. Estrogen D. Both B and C.
Description : Which hormone is not produced by corpus luteum
Last Answer : Which hormone is not produced by corpus luteum A. Progesterone B. Estradiol C. Inhibin D. Relaxin
Description : Corpus luteum produces
Last Answer : Corpus luteum produces A. Lutenizing hormone B. Progesterone C. Luteotrophic hormone D. Inhibin.