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NEET BIOLOGYHuman ReproductionEasy

Question

Menstrual flow occurs due to the lack of:

A

FSH

B

Oxytocin

C

Vasopressin

D

Progesterone

Step-by-Step Solution

The corpus luteum secretes large amounts of progesterone, which is essential for the maintenance of the endometrium . In the absence of fertilisation, the corpus luteum degenerates, leading to a decrease in progesterone levels. This withdrawal of progesterone causes the disintegration of the endometrium, resulting in menstruation .

Exam Context & Concepts Covered

This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Human Reproduction. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

BIOLOGYHuman Reproductionmenstrualoccurs

More Human Reproduction Questions

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Which one of the following is the most likely root cause of why menstruation is not taking place in a regularly cycling human female?

A.Fertilisation of the ovum
B.Maintenance of the hypertrophical endometrial lining
C.Maintenance of high concentration of sex-hormones in the blood stream
D.Retention of well-developed corpus luteum
MediumSolve

The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of A-F have been correctly identified?

A.C-Infundibulum, D-Fimbriae, E-Cervix
B.D-Oviducal funnel, E-Uterus, F-Cervix
C.A-perimetrium, B-Myometrium, C-Fallopian tube
D.B-Endometrium, C-Infundibulum, D-Fimbriae
MediumSolve

Seminal plasma in humans is rich in:

A.fructose, calcium and certain enzymes
B.fructose and calcium but has no enzymes
C.glucose and certain enzymes but has no calcium
D.fructose and certain enzymes but poor in calcium
EasySolve

Identify the human development stage and its correct site of occurrence in a normal pregnant woman:

A.Blastula - End part of fallopian tube
B.Blastocyst - Uterine wall
C.8-celled morula - Starting point of fallopian tube
D.Late morula - Middle part of fallopian tube
MediumSolve

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of:

A.Oxytocin from maternal pituitary
B.Oxytocin from foetal pituitary
C.Relaxin from the placenta
D.Estrogen from placenta
EasySolve

Capacitation occurs in:

A.Epididymis
B.Vas deferens
C.Female reproductive tract
D.Rete testis
MediumSolve

Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?

A.High concentration of Progesterone
B.Low concentration of LH
C.Low concentration of FSH
D.High concentration of estrogen
MediumSolve

Match Column-I with Column-II and select the correct option using the codes given below:

A.A-iii, B-iv, C-i, D-ii
B.A-iii, B-i, C-iv, D-ii
C.A-i, B-iv, C-iii, D-ii
D.A-iii, B-iv, C-ii, D-i
MediumSolve

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