Human Reproduction TS

Match each item in Column I with one in Column II and select the correct match from the codes given:
\(
\begin{array}{|l|l|l|l|}
\hline & \text { COLUMN I } & & \text { COLUMN II } \\
\hline \text { A. } & \begin{array}{l}
\text { Transfer of sperms into the female } \\
\text { genital tract }
\end{array} & \text { P. } & \text { Fertilisation } \\
\hline \text { B. } & \text { Embryonic development } & \text { Q. } & \text { Insemination } \\
\hline \text { C. } & \begin{array}{l}
\text { Attachment of blastocyst to the } \\
\text { uterine wall }
\end{array} & \text { R. } & \text { Gestation } \\
\hline \text { D. } & \text { Fusion of male and female gametes } & \text { S. } & \text { Implantation } \\
\hline
\end{array}
\)
Codes:
\(
\begin{array}{|l|l|l|l|l|}
\hline & \text { A } & \text { B } & \text { C } & \text { D } \\
\hline 1 . & \text { P } & \text { Q } & \text { R } & \text { S } \\
\hline 2 . & \text { R } & \text { Q } & \text { S } & \text { D } \\
\hline 3 . & \text { Q } & \text { R } & \text { S } & \text { P } \\
\hline 4 . & \text { S } & \text { P } & \text { R } & \text { Q } \\
\hline
\end{array}
\)

The number of testicular lobules in the testis is about:

Sperms are produced in:

Each seminiferous tubule is lined by male germ cells called:

The differentiation of spermatids into spermatozoa is called-

Corpus luteum produces :-

The structure formed after release of ova from graafian follicles and secretory in nature is:

Ovulation takes place by :

Which one is primary sex organ ?

Path of sperms from penis to the site of fertilization is :

The process of releasing the ripe female gamete from the ovary is called :

A human female has the maximum number of primary oocytes in her ovaries-

Estrogen and progesterone are secreted by :

Leydig cells are found in :

Extrusion of second polar body from egg nucleus occurs:

Which one of the following is the correct matching of the events occurring during menstrual cycle ?

Sertoli cells are regulated by the pituitary hormone

_______ is the hormone responsible for the expression of secondary sex characteristics in human females.

The region of the embryo that first develops a close connection with the uterus is called the –

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is :

Foetal ejection reflex in human female is induced by :

Most the of the organs/system in foetus are formed by the end of :-

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

Relaxin is secreted by –

What would happen to blood gonadotropin levels, after the surgical removal of ovaries ?

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
\(
\begin{array}{|l|l|}
\hline \text { Assertion (A): } & \begin{array}{l}
\text { Cleavage increases the number of cells } \\
\text { and nuclear mass without increasing the } \\
\text { cytoplasmic mass. }
\end{array} \\
\hline \text { Reason (R): } & \begin{array}{l}
\text { With each successive subdivision, there } \\
\text { is roughly half the cytoplasm in each } \\
\text { daughter cell than before that division. }
\end{array} \\
\hline
\end{array}
\)
In the light of the above statements, choose the most appropriate answer from the options given below :

Consider the two statements:
I: Presence of HCG in the urine is a reliable indicator of pregnancy in a female.
II: HCG promotes the maintenance of the corpus luteum during the beginning of the pregnancy.

Choose incorrect statement regarding reproduction in human beings :-

Mark the correct statement:

Given below are some statements about epididymis
(a) It is an extra-testicular duct
(b) It is located along posterior surface of testis
(c) It stores and transports sperm
Which statement/s is/are correct ?

If due to some reason, the vasa efferentia in the human reproductive system gets blocked, the gametes will not be transported from

During spermatogenesis, the first meiotic division leads to the formation of two equal, haploid cells called

Which of the following is a correct match ?

\(
\begin{array}{ll}
\text { Endometrium } & – \text { External thin membranous layer of uterus } \\
\text { Myometrium } & – \text { Exhibits strong uterine contractions during the delivery of baby } \\
\text { Uterus } & – \text { Birth canal } \\
\text { Cervical canal } & – \text { Womb and vagina }
\end{array}
\)

Cessation of menstrual cycle in a woman with previously normal periods is mainly due to :-

Which one of the following statements is false with respect to viability of mammalian sperm ?

In which phase of cell division the oocyte remain arrested in human embryonic females ?

Which of the following hormones do doctor inject to induce delivery ?

Which of the following is not a function of estrogen ?

Embryonic germ layers develop from ?

Find out the mismatch with respect to structure of a mature sperm 

Match the following correctly

\(
\begin{array}{|c|l|l|}
\hline
\textbf{Code} & \textbf{Structure} & \textbf{Description Code} \\
\hline
(a) & \text{Myometrium} & (i) \text{Cervix along with vagina} \\
(b) & \text{Birth canal} & (ii) \text{Narrow part of oviduct} \\
(c) & \text{Infundibulum} & (iii) \text{Middle layer of uterine wall} \\
(d) & \text{Isthmus} & (iv) \text{Funnel-shaped part of oviduct} \\
\hline
\end{array}
\)

Which of the following is not correctly matched with its category ?

Choose the correct option
Statement A: In most mammals testes are located in scrotal sac.
Statement B: The scrotum maintains temperature 2 – 2.5°C lower than external body temperature for
spermatogenesis

What part of the early embryo differentiates into the three germ layers ?

The first movements of the fetus and the appearance of hair on the head are usually observed during:

The fetal body is covered with fine hair, eyelashes separate, and eyelashes are formed by the end of:

The process of delivery of the fetus [childbirth] is called as:

The signals of fetal ejection reflex originate from:

To induce uterine contractions for parturition, which of the following hormones can be injected into the female ?

The milk produced during the initial few days of lactation, called colostrum, is essential for the newborn as colostrums contains: