Spermatogenesis and sperm differentiation are under the control of

Spermatogenesis and sperm differentiation are under the control of
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Spermatogenesis and sperm differentiation are under the control of A. FSH B. LH C. Progesterone D. Parathyroid Harmone
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At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a haploid nucleus & other organs-

Description : At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a haploid nucleus & other organs-

Last Answer : At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a ... C. Multiplication phase D. Maturation phase

Which of the following approaches does not give the defined action of contraceptive? (a) Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation (b) Vasectomy Prevents spermatogenesis (c) Barrier methods Prevent fertilisation (d) Intra uterine devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms

Description : Which of the following approaches does not give the defined action of contraceptive? (a) Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation (b) ... devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms

Last Answer : (b) Vasectomy Prevents spermatogenesis

The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ?

Description : The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ?

Last Answer : The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ? A. Oxytocin B. FSH C. ACTH D. ICSH

Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA

Description : Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA

Last Answer : Ans. ((d))

What is the process of Spermatogenesis & Oogenesis -Biology

Description : What is the process of Spermatogenesis & Oogenesis -Biology

Last Answer : answer:

Where does spermatogenesis occur? -Biology

Description : Where does spermatogenesis occur? -Biology

Last Answer : answer:

Where does spermatogenesis occur? -Biology

Description : Where does spermatogenesis occur? -Biology

Last Answer : answer:

What is spermatogenesis ?

Description : What is spermatogenesis ?

Last Answer : Spermatogenesis is the process by which haploid spermatozoa or sperm are produced from the seed cell in the seminiferous duct of the egg or testis.

What is spermatogenesis ?

Description : What is spermatogenesis ?

Last Answer : Spermatogenesis is the process by which haploid spermatozoa or sperm are produced from seed cells in the seminiferous duct of the egg or testis.

Arrange in correct sequence the structures formed during spermatogenesis a) spermatogonia b) Secondary spermatocyte c) Spermatogonial stem cells c) sp

Description : Arrange in correct sequence the structures formed during spermatogenesis a) spermatogonia b) Secondary spermatocyte c) Spermatogonial stem cells c) sp

Last Answer : Arrange in correct sequence the structures formed during spermatogenesis a) spermatogonia b) Secondary spermatocyte c) ... -d-e D. c-d-a-b-c

During spermatogenesis, the diploid cells are

Description : During spermatogenesis, the diploid cells are

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If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of

Description : If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of

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Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce.

Description : Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce.

Last Answer : Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce. A. ... Spermatogonia `rarr` Sperms D. Spermatogonia

In mammals, spermatogenesis is stimulated by

Description : In mammals, spermatogenesis is stimulated by

Last Answer : In mammals, spermatogenesis is stimulated by A. MSH B. TSH C. ADH D. FSH.

Hormone responsible for spermatogenesis is

Description : Hormone responsible for spermatogenesis is

Last Answer : Hormone responsible for spermatogenesis is A. Androgen B. Progesterone C. Testosterone D. None of these.

Spermatogenesis changes

Description : Spermatogenesis changes

Last Answer : Spermatogenesis changes A. Spermatogonium into primary spermatocyte B. Primary spermatocyte into secondary ... into spermatid D. All the above.

During spermatogenesis, the first meotic division occurs in

Description : During spermatogenesis, the first meotic division occurs in

Last Answer : During spermatogenesis, the first meotic division occurs in A. Sertoli cells B. Spermatids C. Spermatozoans D. Primary spermatocytes

Spermatogenesis occurs in

Description : Spermatogenesis occurs in

Last Answer : Spermatogenesis occurs in A. Vasa deferentia B. Epididymis C. Seminiferous tubules D. Penis.

In spermatogenesis, reduction of chromosomes occurs during conversion of:

Description : In spermatogenesis, reduction of chromosomes occurs during conversion of:

Last Answer : In spermatogenesis, reduction of chromosomes occurs during conversion of: A. Primary ... sperms D. Secodnary spermatocytes to spermatids.

Spermatogenesis is formation of

Description : Spermatogenesis is formation of

Last Answer : Spermatogenesis is formation of A. Ovary B. Ovum C. Sperm D. Zygote.

Which is the correct sequenc e in spermatogenesis?

Description : Which is the correct sequenc e in spermatogenesis?

Last Answer : Which is the correct sequenc e in spermatogenesis? A. Spermatogonia `rarr` Spermatids `rarr` ... spermatocytes `rarr` Spermatids `rarr` Spers.

In spermatogenesis, a primary spermatocyta produce four similar sperms while in oognesis a primary oocyte forms

Description : In spermatogenesis, a primary spermatocyta produce four similar sperms while in oognesis a primary oocyte forms

Last Answer : In spermatogenesis, a primary spermatocyta produce four similar sperms while in oognesis a primary oocyte ... One large ovum and 2-3 polar bodies.

Which is the correct sequenc e in spermatogenesis?

Description : Which is the correct sequenc e in spermatogenesis?

Last Answer : Which is the correct sequenc e in spermatogenesis? A. Spermatogonia `rarr` Spermatids `rarr` ... spermatocytes `rarr` Spermatids `rarr` Spers.

Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Description : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les

Last Answer : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum ... . D. If both Assertion & Reason are False.

Correct order of spermatogenesis is :-

Description : Correct order of spermatogenesis is :-

Last Answer : Correct order of spermatogenesis is :- A. Spermatocytes , Spermatogonia , Spermatid , Sperm B ... , Sec. Spermatocytes , Spermatid , Sperm

During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte

Description : During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte

Last Answer : During spermatogenesis how many spermatozoa are formed from a single primary spermatocyte A. 1 B. 2 C. 4 D. 8

Longest phase of spermatogenesis is :-

Description : Longest phase of spermatogenesis is :-

Last Answer : Longest phase of spermatogenesis is :- A. Multiplication phase B. Growth phase C. Maturation phase D. Germinal phase

Acrosome formation in spermatogenesis occurs in which stage ?

Description : Acrosome formation in spermatogenesis occurs in which stage ?

Last Answer : Acrosome formation in spermatogenesis occurs in which stage ? A. First meiotic division B. Second meiotic division C. Growth phage D. Spermiogenesis

Spermatogenesis process occur in

Description : Spermatogenesis process occur in

Last Answer : Spermatogenesis process occur in A. Rete testis B. Seminiferous Tubules C. Septula testis D. Mediastinum testis

Spermatogenesis is influenced by

Description : Spermatogenesis is influenced by

Last Answer : Spermatogenesis is influenced by A. Progestrone B. FSH C. TSH D. LTH

Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom. Endocrine Hormone Function/ gland Deficiency symptoms (a) Thyroid Thyroxine Lack of iodine gland in diet results in goitre (b) Corpus Testo- Stimulates luteum sterone spermatogenesis (c) Anterior Oxytocin Stimulates pituitary uterus contraction during child birth (d) Posterior Growth Oversecretion pituitary hormone stimulates (GH) abnormal growth

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Conversion of testosterone to dihydrotestosterone by the enzyme 5α-reductase is required for the following actions except: A. Formation of male external genitalia in the foetus B. Prostatic hypertrophy in elderly males C. Pubertal changes in the male adolescent D. Spermatogenesis

Description : Conversion of testosterone to dihydrotestosterone by the enzyme 5α-reductase is required for the following actions except: A. Formation of male external genitalia in the foetus B. Prostatic hypertrophy in elderly males C. Pubertal changes in the male adolescent D. Spermatogenesis

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DESCRIBE THE PROCESS OF OOGENESIS IN HUMAN FEMALE AND DIFFERENTIATE IT WITH SPERMATOGENESIS ON THE BASIS OF TIME OF INITIATION AND THE PRODUCTS FORMED.

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