Description : Sertoli cells are regulated by the pituitary hormone known as
Last Answer : Sertoli cells are regulated by the pituitary hormone known as A. Prolactin B. LH C. FSH D. GH
Description : Sertoli cells are regulated by the pituitary hormone known as (a) LH (b) FSH (c) GH (d) prolactin
Last Answer : FSH
Description : All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone
Last Answer : Answer : D
Description : Testosterone is produced by (a) sertoli cells (b) Leydig’s cells (c) oxyntic cells (d) pituitary gland.
Last Answer : (b) Leydig’s cells
Description : The hormone which acts on Sertoli cells and stimulates the process of spermaogenesis is :
Last Answer : The hormone which acts on Sertoli cells and stimulates the process of spermaogenesis is : A. LH B. FSH C. Androgen D. GnRH.
Description : Sertoli cells secrete a hormone
Last Answer : Sertoli cells secrete a hormone A. Gonadotropin B. Testerone C. Relaxin D. Inhibin.
Description : In males, luteinising hormone acts on (A) Leydig cells (B) Sertoli cells (C) Prostate gland (D) All of these
Last Answer : Answer : A
Description : Male hormone is produced in the testis by cells of (a) Sertoli (b) epithelial (c) spermatocytes (d) Leydig.
Last Answer : (d) Leydig.
Description : .Which one of the following cells, found in testes of rabbit, secretes male hormone? (a) Epithelial cells (b) Spermatocytes (c) Leydig’s cell (d) Sertoli cells
Last Answer : (c) Leydig’s cell
Description : Anterior pituitary & posterior pituitary hormones are regulated by hypothalamus respectively through
Last Answer : Anterior pituitary & posterior pituitary hormones are regulated by hypothalamus respectively through
Description : Secretion of glucocorticoida is regulated by all the following except (A) Hypothalamus (B) Anterior pituitary (C) Feedback control by blood glucose (D) Feedback control by glucocorticoids
Last Answer : Answer : C
Description : Secretion of PTH is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback effect of plasma PTH (D) Feedback effect of plasma calcium
Description : Secretion of thyroid hormones is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback regulation (D) All of these 220 MCQs IN BIOCHEMISTRY
Description : The adrenal glands A) are located near the thyroid gland. B) are located near the kidneys. C) are regulated by the posterior pituitary. D) are regulated by the pancreas. E) can be removed without ill effects.
Last Answer : B) are located near the kidneys.
Description : Select the correct matching of a hormone, its source and function. Hormone Source Function (a) Vasopressin Posterior Increases loss pituitary of water through urine (b) Norepine- Adrenal ... (d) Prolactin Posterior Regulates growth pituitary of mammary glands and milk formation in females
Last Answer : (b) Norepine- Adrenal Increases heart phrine medulla beat, rate of respiration and alterness
Description : Given below is an incomplete table on hormones, their source glands and one major effect of each human body. Identify the option representing correct grouping of hormone its gland and ... hormone (b) Placenta Insulin Vasopressin (c) Ovary Insulin Calcitonin (d) Placenta Glucagon Calcitonin
Last Answer : (a) Ovary Glucagon Growth hormone
Description : A pheromone is A) an endorphin released within the anterior pituitary. B) a growth factor related to the production of tumors. C) a product of a neurosecretory cell that acts on ... ) a regulatory hormone that stimulates or inhibits the release of hormones produced by other endocrine glands.
Last Answer : D) a chemical released by one animal to affect the behavior of another animal.
Description : (i) Write the specific location and the functions of the following cells in human males Leydig cells Sertoli cells Primary spermatocyte (ii) Explain the role of any two accessory glands in human male reproductive system. -Biology
Last Answer : I)Oogenesis begins during the embryonic development stage when a million gamete mother cells (oogonia) are formed within each foetal ovary. (ii) (a) Sertoli cells are located on the inside ... provide nutrition to sperms. (b) Bulbourethral glands Their secretion helps in the lubrication of penis.
Description : (i) When does oogenesis begin? (ii) Differentiate between the location and function of Sertoli cells and Leydig cells. -Biology
Last Answer : Oogenesis begins during the embryonic development stage when a million gamete mother cells (oogonia) are formed within each foetal ovary. (ii) (a) Sertoli cells are located on ... seminiferous tubule called interstitial spaces. These cells synthesise and secrete testicular hormone called androgens.
Description : In mammals, Sertoli cells occur in
Last Answer : In mammals, Sertoli cells occur in A. Germinal epithelium of testis B. Germinal epithelium of ovary C. Medulls of kidney D. Adrenal cortex.
Description : Sertoli cells occur in
Last Answer : Sertoli cells occur in A. Adrenal cortex and secrete adrenaline B. Seminiferous tubules and ... choleystokinus D. Ovarises and secrete progesterone.
Description : Which of the following control the function Sertoli cells?
Last Answer : Which of the following control the function Sertoli cells? A. Estrogen B. FSH C. Testerone D. ACTH.
Description : Assertion : Formation of sperm takes place in seminiferous tubules of testes . Reason : Seminiferous tubules lined with male germ cells and sertoli ce
Last Answer : Assertion : Formation of sperm takes place in seminiferous tubules of testes . Reason : Seminiferous ... . If both Assertion & Reason are False.
Description : Sertoli cells are involved in :-
Last Answer : Sertoli cells are involved in :- A. Respiration B. Nutrition of sperms C. Excretion D. Development of sex organs
Last Answer : Sertoli cells occur in A. human testis B. frog testis C. human ovary D. frog ovary
Description : Sertoli cells are found in
Last Answer : Sertoli cells are found in A. testis of cockroach B. liver of mammals C. testis of mammals D. testis of frog
Description : Androgens are synthesised in (A) Leydig cells in testes (B) Sertoli cells in testes (C) Seminiferous tubules (D) Prostate gland
Description : Androgens are produced by (A) Cells of sertoli (B) Leydig cells (C) Rete testis (D) Efferent ductules
Last Answer : Answer : B
Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.
Description : Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.
Last Answer : (a) LH and FSH decrease gradually during the follicular phase.
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 : Sertoli cells are found in (a) ovaries and secrete progesterone (b) adrenal cortex and secrete adrenaline (c) seminiferous tubules and provide nutrition to germ cells (d) pancreas and secrete cholecystokinin.
Last Answer : (c) seminiferous tubules and provide nutrition to germ cells
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 LOCATION AND FUNCTION OF SERTOLI CELLS IN HUMANS.
Last Answer : ANS. IN THE SEMINIFEROUS TUBULES OF TESTIS, NOURISHES DEVELOPING SPERMS.
Description : ‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : Female somatic cells
Description : Body water is regulated by the hormone: (A) Oxytocin (B) ACTH (C) FSH (D) Epinephrine
Description : Potassium metabolism is regulated by the hormone: (A) Aldosterone (B) PTH (C) Somatostatin (D) Estrogen
Description : The metabolism of sodium is regulated by the hormone: (A) Insulin (B) Aldosterone (C) PTH (D) Somatostatin
Description : Gastric Secretion is regulated by the hormone: (A) Glucagon (B) Gastrin (C) Epinephrin (D) ACTH
Description : Secretion of prolactin is regulated by (A) Feedback inhibition (B) Prolactin releasing hormone (C) Prolactin release inhibiting hormone (D) All of these
Description : Secretion of MSH is regulated by (A) Feedback mechanism (B) Melatonin (C) Hypothalamic hormones (D) ACTH HORMONE METABOLISM 217
Description : The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. ... or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process
Last Answer : Answer: a, b, c Transport vesicles that bud off the Golgi network carry both material to be secreted from the cell and protein destined to become components of the plasma ... but may also involve generation of diacylglycerol or production of cyclic AMP which activate kinases or phosphatases
Description : The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone (a) calcitonin (b) prolactin (c) adrenaline (d) melatonin.
Last Answer : (d) melatonin.
Description : Metamorphosis of insects is regulated through hormone (a) pheromone (b) thyroxine (c) ecdysone (d) all of these.
Last Answer : (c) ecdysone
Description : What stimulates pituitary to release the hormone responsible for parturition? Name the hormone -Biology
Last Answer : Foetal ejection reflex stimulates pituitary to release the oxytocin hormone, which is responsible for parturition.
Description : Name the hypothalamic hormone which stimulates the pituitary synthesis and relased of gonadotrophins
Last Answer : Name the hypothalamic hormone which stimulates the pituitary synthesis and relased of gonadotrophins
Description : Chemical natrue of all the hormone which are secreted from pituitary ad hypothalamus is
Last Answer : Chemical natrue of all the hormone which are secreted from pituitary ad hypothalamus is
Description : Hormone secreted by pituitary gland and regulates the mammary gland and formation of milk in them is
Last Answer : Hormone secreted by pituitary gland and regulates the mammary gland and formation of milk in them is
Description : Hormone which is responsible to inhibit the relase of growth hormone from pituitary is
Last Answer : Hormone which is responsible to inhibit the relase of growth hormone from pituitary is
Description : Which of the following pituitary hormone is a direct action hormone ?
Last Answer : Which of the following pituitary hormone is a direct action hormone ? A. MSH B. ICSH C. ACTH D. TSH