Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due

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Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The ... D. If both Assertion & Reason are False.

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Description : The mammalian corpus luteum produces (a) luteotrophic hormone (b) luteinising hormone (c) estrogen (d) progesterone.

Last Answer : (d) progesterone.

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 : The main function of mammalian corpus luteum is to produce (a) estrogen only (b) progesterone (c) human chorionic gonadotropin (d) relaxin only.

Last Answer : (b) progesterone

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 : 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. 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 : 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 : 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 : 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 : 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 : The production of progesterone by corpus luteum cell is stimulated by (A) LH (B) TSH (C) ACTH (D) MSH

Last Answer : Answer : A

Description : During pregnancy, corpus luteum, having secreted increasing quantities of progesterone that helps build up endometrium of the uterus, suddenly declines in functioning in the (a) 14th week (b) 16th week (c) 11th week (d) 12th week

Last Answer : Ans:(d)

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 : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.

Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle

Description : Secretion of progesterone by corpus luteum is initiated by (a) testosterone (b) thyroxine (c) MSH (d) LH.

Last Answer : d) LH.

Description : Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during ... (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

Last Answer : (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron

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 : 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 : In post natal life , oocyte development occurs in mature follicle Reason : After ovulation , Graafian follicle transforms in corpus luteum

Last Answer : Assertion : In post natal life , oocyte development occurs in mature follicle Reason : After ovulation , ... D. 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 : Assertion : Corpus albicans is an inactive structure which is found in the ovary . Reason : Corpus albicans secretes the progesterone hormone after ov

Last Answer : Assertion : Corpus albicans is an inactive structure which is found in the ovary . Reason : Corpus ... D. If both Assertion & Reason are False.

Description : Changes in GnRH pulse frequency in females is controlled by circulating levels of (a) progesterone only (b) progesterone and inhibin (c) estrogen and progesterone (d) estrogen and inhibin.

Last Answer : c) estrogen and progesterone

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 : In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis (2) ... endometrial thickening (4) High levels of FSH and LH in uterus to stimulate endometrial thickening

Last Answer : (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis

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 : Women become susceptible to osteoporosis after menopause due to decreased (A) Secretion of Parathormone (B) Conversion of vitamin D into calcitriol (C) Secretion of estrogen (D) Secretion of progesterone

Last Answer : Answer : C

Description : Select the progestin preparation for coadministration with estrogen for hormone replacement therapy that does not counteract the beneficial effect of the latter on lipid profile due to lack of ... oral progesterone B. Norethindrone C. Lynestrenol D. Medroxyprogesterone acetate (p. 281-282)

Last Answer : Select the indication for which a progestin is used alone without combining with an estrogen: A. Threatened abortion B. Dysfunctional uterine bleeding C. Hormone replacement therapy D. Premenstrual tension

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 : What is corpus luteum? -Biology

Last Answer : answer:

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.

Description : In mammals corpus luteum is found in which organ

Last Answer : In mammals corpus luteum is found in which organ A. Brain B. Ovary C. Liver D. Eyes

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 : The main function of mammalian corpus luteum is to produce:

Last Answer : The main function of mammalian corpus luteum is to produce: A. estrogen only B. progesterone C. human chorionic gonadotropin D. relaxin only

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 : Corpus luteum is

Last Answer : Corpus luteum is A. Excretory B. Endocrine C. Digestive D. Reproductive

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 : In case of nonfertilization , corpus luteum

Last Answer : In case of nonfertilization , corpus luteum A. Stops secreting progesterone B. Changes to corpus ... producing progesterone D. None of the above

Description : In mammals corpus luteum is found in which organ

Last Answer : In mammals corpus luteum is found in which organ A. Brain B. Ovary C. Liver D. Eyes

Description : Corpus luteum develops from

Last Answer : Corpus luteum develops from A. Oocyte B. Nephrostome C. Graafian follicle D. Antrum

Description : A hormone produced by corpus luteum and placenta, concerned with relaxation of pelvis tissue is (A) HCG (B) Chorionic somatommotropin (C) Relaxin (D) Progestins

Last Answer : Answer : C

Description : Blood pressure is controlled by – (1) Adrenal gland (2) Thyroid gland (3) Thymus (4) Corpus luteum

Last Answer : (1) Adrenal gland Explanation: Adrenaline directly affects, regulates and determines the body's ability to maintain a healthy blood pressure. When the adrenal gland becomes damaged or ... greatly increases blood pressure levels, causing severe headaches, weight loss and other serious problems.

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 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 one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female? (a) Maintenance of the hypertrophical endometrial lining (b) ... the blood stream (c) Retention of well-developed corpus luteum (d) Fertilisation of the ovum

Last Answer : (b) Maintenance of high concentration of sex- hormones in the blood stream