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NEET BIOLOGYHuman ReproductionEasy

Question

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby. Reason (R): Colostrum contains several antibodies absolutely essential to develop resistance in the new born baby.

In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both (A) and (R) are True but (R) is not the correct explanation of (A)

B

(A) is True but (R) is False.

C

(A) is False but (R) is True.

D

Both (A) and (R) are True and (R) is the correct explanation of (A).

Step-by-Step Solution

According to the textbook, the milk produced during the initial few days of lactation is called colostrum, which contains several antibodies (specifically IgA) absolutely essential to develop resistance for the new-born babies. Because of this (and other nutritional benefits), breast-feeding during the initial period of infant growth is recommended by doctors for bringing up a healthy baby . Thus, the reason correctly explains the assertion.

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 Reproductionstatementslabelledassertionlabelledreason

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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
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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
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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
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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
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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
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Capacitation occurs in:

A.Epididymis
B.Vas deferens
C.Female reproductive tract
D.Rete testis
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Menstrual flow occurs due to the lack of:

A.FSH
B.Oxytocin
C.Vasopressin
D.Progesterone
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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
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