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 : 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 : Placental hormone called chorionic gonadotropin (HCG) which stimulates secretion of progesterone by the ovary during pregnancy is
Last Answer : Placental hormone called chorionic gonadotropin (HCG) which stimulates secretion of progesterone by the ovary during ... amine D. Both (1) and (2)
Description : In which phase of menstrual cycle, progesterone level rises
Last Answer : In which phase of menstrual cycle, progesterone level rises A. Menstrual phase B. Proliferative phase C. Secretory phase D. Maturation phase.
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 : Mainly which type of hormones control the menstrual cycle in human beings? (a) FSH (b) LH (c) FSH, LH, estrogen (d) progesterone
Last Answer : (a) FSH
Description : About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs? (a) 14th day (b) 20th day (c) 5th day (d) 11th day (
Last Answer : (a) 14th day
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 : Serum progesterone level during pregnancy is (A) < 12 ng/ml (B) > 12 ng/ml (C) < 20 ng/ml (D) >24 ng/ml
Last Answer : Answer : D
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 : Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery2) Post- ... after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle
Last Answer : Correct Answer: 2) Post-puerperal i.e. 6-8 weeks after delivery
Description : A hormone used for detection of pregnancy is (A) Estrogen (B) Progesterone (C) Oxytocin (D) Chorionic gonadotropin
Description : The hormone measured in urine to test pregnancy is (A) Anterior pituitary luteinizing hormone (B) Androgen (C) Progesterone (D) Choroinic gonadotropin
Description : Menstrual flow occurs due to lack of (a) oxytocin (b) vasopressin (c) progesterone (d) FSH.
Last Answer : (c) progesterone
Description : A 43 year old, lecturer has come to you with complaints of heavy but regular menstrual bleeding with flooding and clots. There is no anatomical reason for heavy flow. The most effective ... ) Dilatation and Curettage. c) Depomedroxy progesterone acetate. d) Misoprostol. e) Ergometrine maleate.
Last Answer : a) Tranexemic acid.
Description : The serum estradiol level in women during 21–30 days of menstrual cycle is (A) 10-20 pg/ml (B) 22-66 pg/ml (C) 73-149 pg/ml (D) 1000 pg/ml
Description : The serum estradiol level in women during 11–20 days of menstrual cycle is (A) 5–30 pg/ml (B) 50–300 pg/ml (C) 500–900 pg/ml (D) 1000 pg/ml
Description : The serum estradiol level in women during 1–10 days of menstrual cycle is (A) 0–10 pg/ml (B) 12–20 pg/ml (C) 24–68 pg/ml (D) 80–100 pg/ml
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 : What is correct to say about the hormone action in humans? (a) Glucagon is secreted by β-cells of islets of Langerhans and stimulates glycogenolysis. (b) Secretion of thymosins is stimulated ... receptors on ovarian cell membrane. (d) FSH stimulates the secretion of estrogen and progesterone.
Last Answer : (c) In females, FSH first binds with specific receptors on ovarian cell membrane.
Description : What is correct to say about the hormone action in humans ? (1) FSH stimulates the secretion of estrogen and progesterone (2) Glucagon is secreted by -cells of Islets of Langerhans and ... stimulated with aging (4) If females, FSH first binds with specific receptors on ovarian cell membrane
Last Answer : (4) If females, FSH first binds with specific receptors on ovarian cell membrane
Description : Which of the following hormones is not a secretion product of human placenta? (a) Human chorionic gonadotropin (b) Prolactin (c) Estrogen (d) Progesterone
Last Answer : (b) Prolactin
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 : Which hormone stimulates the secretion of milk from female? (a) Oxytocin (b) Progesterone (c) LH (d) Prolactin
Last Answer : (d) Prolactin
Description : Secretion of progesterone by corpus luteum is initiated by (a) testosterone (b) thyroxine (c) MSH (d) LH.
Last Answer : d) LH.
Description : Progesterone administration: A. Suppresses onset of menstruation B. Induces watery cervical secretion C. Sensitizes the uterus to oxytocin D. Cornifies vaginal epithelium
Last Answer : A. Suppresses onset of menstruation
Description : During sensible cooling of air, its wet bulb temperature (A) Decreases but dew point remains constant (B) Increases but dew point remains constant (C) Increases & the dew point decreases (D) Decreases & the dew point increases
Last Answer : (B) Increases but dew point remains constant
Description : The efficiency of Diesei cycle with decrease in cut off (a) increases (b) decreases (c) remains unaffected (d) first increases and then decreases (e) first decreases and then increases.
Last Answer : Answer : a
Description : (i) Draw a labelled diagram of the human female reproductive system. (ii) Enumerate the events in the ovary of a human female during (b) Luteal phase of menstrual cycle (a) Follicular phase -Biology
Last Answer : (i)Refer to page no. 43. (2) (ii) (a) Follicular phase The primary follicle in the ovary grow to become fully mature Graafian follicle. Endometrium gets thickened. The ... Luteal phase The remaining parts of ruptured Graafian follicle transforms into corpus luteum, that secretes progesterone.
Description : During menstrual cycle, the cyclic changes take place in
Last Answer : During menstrual cycle, the cyclic changes take place in A. Myometrium B. Corpus luteum C. ... implanation -11 to 18 days D. Pertimetrium.
Description : During menstrual cycle, levels of LH and estrogen are highest around
Last Answer : During menstrual cycle, levels of LH and estrogen are highest around A. 14th day B. 21st day C. 7th day D. 28th day.
Description : Which layer of uterus undergoes cyclic changes during menstrual cycle
Last Answer : Which layer of uterus undergoes cyclic changes during menstrual cycle A. Myometrium B. Endometrium C. Perimetrium D. All the above.
Description : Which hormone level reaches peak during luteal phase of menstrual cycle?
Last Answer : Which hormone level reaches peak during luteal phase of menstrual cycle? A. Luteinising hormone B ... C. Pollicle stimulating hormone D. Estrogen.
Description : LH surge occurs during phase of menstrual cycle.
Last Answer : LH surge occurs during phase of menstrual cycle. A. Menstrual phase B. Beginning of proliferstive phase. C ... phase D. At the middle of the cycle.
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 : Ovulation in the human female normally takes place during the menstrual cycle
Last Answer : Ovulation in the human female normally takes place during the menstrual cycle A. At the end of ... D. At the beginning of the proliferative phase
Description : Which one of the following is the correct matching of the events occuring during menstrual cycle?
Last Answer : Which one of the following is the correct matching of the events occuring during menstrual cycle? ... and increased secretion of progesterone."):}`
Description : The duration 19-21 days refers to: (1) incubation period of hen's egg (2) average life-span of a red blood cell in humans (3) the period of menstrual cycle soon after menstruation, during ... to occur (4) period of completion of one schizogony cycle of malarial parasite inside a red blood cell
Last Answer : (3) the period of menstrual cy-cle soon after menstruation, during which fertilisation is most likely to occur Explanation: The menstrual cycle is the scientific term for the physiological changes ... 21 days or more between a woman's shortest and longest cycle lengths is considered very irregular
Description : The number of eggs normally released during one menstrual cycle is: (1) 3 (2) 2 (3) 1 (4) 4
Last Answer : (4) 4 Explanation: In each menstrual cycle, rising levels of estrogen cause the ovary develop an egg and release it (ovulation). After ovulation, the egg lives for 24 hours.
Description : One of the legal methods of birth control is (a) by having coitus at the time of day break (b) by a premature ejaculation during coitus (c) abortion by taking an appropriate medicine (d) by abstaining from coitus from day 10 to 17 of the menstrual cycle.
Last Answer : (c) abortion by taking an appropriate medicine
Description : Ovulation in the human female normally takes place during the menstrual cycle (a) at the mid secretory phase (b) just before the end of the secretory phase (c) at the beginning of the proliferative phase (d) at the end of the proliferative phase.
Last Answer : (d) at the end of the proliferative phase.
Description : Which one of the following statements is incorrect about menstruation? (a) At menopause in the female, there is especially abrupt increase in gonadotropic hormones. (b) The beginning of the cycle of ... normal menstruation about 40 mL blood is lost. (d) The menstrual fluid can easily clot.
Last Answer : (d) The menstrual fluid can easily clot.
Last Answer : 1
Last Answer : the period of menstrual cycle soon after menstruation, during which fertilisation is most likely to occur
Description : In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining ... than 45°C (B) More than 45°C (C) Equal to 45°C (D) Initially decreases and remains constant thereafter
Last Answer : (B) More than 45°C
Description : Under-cooling in a refrigeration cycle (a) increases COP (b) decreases COF (c) COP remains unaltered (d) other factors decide COP
Last Answer : Ans: a
Description : Superheating in a refrigeration cycle (a) increases COP (b) decreases COP (c) COP remains unaltered (d) other factors decide COP
Last Answer : Ans: b
Description : Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts
Description : A high plasma calcium level decreases intestinal absorption of calcium by (A) Stimulating the secretion of parathormone (B) Inhibiting the secretion of parathormone (C) Decreasing the synthesis of cholecalciferol (D) Inhibiting the secretion of thyrocalcitonin
Description : In_______encoding, the duration of the bit is divided into twohalves. Thevoltage remains at one level during thefirst half and moves to the other level in the second half. The transition at the middle of the bit ... Manchester B) differential Manchester C) both (a) and (b) D) neither (a) nor (b)
Last Answer : both (a) and (b)