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
Description : Which of the following cells during gametogeneis is normally diploid?
Last Answer : Which of the following cells during gametogeneis is normally diploid? A. Spermatid B. Spermatogonia C. Secondary polar body D. Primary polary body
Description : Which of the following cells during gametogenesis is normally diploid ? (a) Spermatogonia (b) Secondary polar body (c) Primary polar body (d) Spermatid
Last Answer : (a) Spermatogonia
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
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
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.
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.
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
Description : 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) ... child birth (d) Posterior Growth Oversecretion pituitary hormone stimulates (GH) abnormal growth
Last Answer : (a) Thyroid Thyroxine Lack of iodine gland in diet results in goitre
Description : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.
Last Answer : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid. A. If both As and R are correct and R ... wrong D. If both As and R are wrong.
Description : In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?
Last Answer : Need answer
Description : Are brain cells diploid cells?
Last Answer : yes
Description : Are mitosis parent cells diploid or haploid?
Last Answer : diploid
Description : What process produces diploid cells from haploid cells?
Last Answer : Meiosis produces haploid cells from a diploid cell
Description : What kind of cells are diploid?
Last Answer : All body or somatic cells are diploid. Only sex cells arehaploid.
Description : When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.
Last Answer : (a) tetraploidy
Description : Apomictic embryos in Citrus arise from (a) synergids (b) maternal sporophytic tissue in ovule (c) antipodal cells (d) diploid egg.
Last Answer : (b) maternal sporophytic tissue in ovule
Description : You discover a new species of a plant. You also discover that it produces motile sperms and dominant generation has diploid cells. It belongs to (1) Bryophyte (2) Angiosperm (3) Gymnosperm (4) Pteridophyte
Last Answer : 4) Pteridophyte
Description : 2Apomictic embryos in Citrusarise from:a)Diploid eggb)Synergidsc)Maternal sporophytic tissue in ovuled)Antipdal cells
Last Answer : Maternal sporophytic tissue in ovule
Description : Unlike mitosis, meiosis results in the formation of a. diploid cells. b. haploid cells. c. 2N daughter cells. d. body cells.
Last Answer : b. haploid cells.
Description : Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid
Last Answer : (D) 46, diploid
Description : When the diploid embryosac is formed from the cells of nucellus, it is known as
Last Answer : When the diploid embryosac is formed from the cells of nucellus, it is known as – Apospory
Description : Organisms with cells containing two sets of parental chromosomes are called: a) diploid b) bisomal c) haploid d) autosomal
Last Answer : ANSWER: A -- DIPLOID
Description : What is the process of Spermatogenesis & Oogenesis -Biology
Last Answer : answer:
Description : Where does spermatogenesis occur? -Biology
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.
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.
Description : If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of
Last Answer : If spermatogenesis proceeds rapidly, inhibin is released. Inhibin reduces secretion of A. ... Testerone D. Interstitial cell stimulating hormone.
Description : In mammals, spermatogenesis is stimulated by
Last Answer : In mammals, spermatogenesis is stimulated by A. MSH B. TSH C. ADH D. FSH.
Description : Hormone responsible for spermatogenesis is
Last Answer : Hormone responsible for spermatogenesis is A. Androgen B. Progesterone C. Testosterone D. None of these.
Description : Spermatogenesis changes
Last Answer : Spermatogenesis changes A. Spermatogonium into primary spermatocyte B. Primary spermatocyte into secondary ... into spermatid D. All the above.
Description : Spermatogenesis occurs in
Last Answer : Spermatogenesis occurs in A. Vasa deferentia B. Epididymis C. Seminiferous tubules D. Penis.
Description : Spermatogenesis is formation of
Last Answer : Spermatogenesis is formation of A. Ovary B. Ovum C. Sperm D. Zygote.
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.
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.
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
Description : Correct order of spermatogenesis is :-
Last Answer : Correct order of spermatogenesis is :- A. Spermatocytes , Spermatogonia , Spermatid , Sperm B ... , Sec. Spermatocytes , Spermatid , Sperm
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
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
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
Description : Spermatogenesis process occur in
Last Answer : Spermatogenesis process occur in A. Rete testis B. Seminiferous Tubules C. Septula testis D. Mediastinum testis
Description : Spermatogenesis and sperm differentiation are under the control of
Last Answer : Spermatogenesis and sperm differentiation are under the control of A. FSH B. LH C. Progesterone D. Parathyroid Harmone
Description : Spermatogenesis is influenced by
Last Answer : Spermatogenesis is influenced by A. Progestrone B. FSH C. TSH D. LTH
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
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
Last Answer : D. Spermatogenesis
Description : DESCRIBE THE PROCESS OF OOGENESIS IN HUMAN FEMALE AND DIFFERENTIATE IT WITH SPERMATOGENESIS ON THE BASIS OF TIME OF INITIATION AND THE PRODUCTS FORMED.
Last Answer : ANS. OOGENESIS : DIAGRAMMATIC REPRESENTATION AS GIVEN IN NCERT. DIFFERENCES BETWEEN : OOGENESIS SPERMATOGENESIS (i) STARTS DURING FOETAL LIFE (i) STARTS DURING PUBERTY (ii)PRODUCTS: OVUM (ii) SPERMS
Description : WHEN DO THE OOGENESIS AND THE SPERMATOGENESIS INITIATE IN HUMAN FEMALES AND MALES RESPECTIVELY ?
Last Answer : ANS. OOGENESIS AT THE FOETAL LIFEAND SPERMATOGENISIS STARTS AT PUBERTY.
Description : $ Amitosis occurs with spindle formation. ! Amitosis occurs during the formation of gametes in diploid organisms.
Last Answer : $ Amitosis occurs with spindle formation. ! Amitosis occurs during the formation of gametes in diploid organisms. ... D. If both As and R are wrong.