Description : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is (a) spermatogonia - spermatocyte - spermatid - sperms (b) spermatid - spermatocyte ... - spermatid - spermatocyte - sperms (d) spermatocyte - spermatogonia - spermatid - sperms
Last Answer : a) spermatogonia - spermatocyte - spermatid - sperms
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 : Arrange the knitting sequence in correct order 1. Needle falls, old loop rises closing latch of the needle 2. Needle is now ready to repeat cycle 3. Old loop is held on the stem of the needle. The latch is open 4. Old loop is cast off; new ... a. 2,1,5,3,4 b. 3,5,1,4,2 c. 3,5,4,1,2 d. 2,1,4,3,5
Last Answer : b. 3,5,1,4,2
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 : n humans, at the end of the first meiotic division, the male germ cells differentiate into the (a) spermatids (b) spermatogonia (c) primary spermatocytes (d) secondary spermatocytes.
Last Answer : (d) secondary spermatocytes.
Description : How many sperms are formed from a secondary spermatocyte?
Last Answer : How many sperms are formed from a secondary spermatocyte? A. 4 B. 8 C. 2 D. 1
Description : How many sperms are formed from a secondary spermatocyte? (a) 4 (b) 8 (c) 2 (d) 1
Last Answer : (c) 2
Description : What is the correct sequence of sperm formation? (a) Spermatogonia, spermatozoa, spermatocytes, spermatids (b) Spermatogonia, spermatocytes, spermatids, spermatozoa (c) Spermatids, spermatocytes, spermatogonia, spermatozoa (d) Spermatogonia, spermatocytes, spermatozoa, spermatids
Last Answer : (b) Spermatogonia, spermatocytes, spermatids, spermatozoa
Description : You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? (a) Secondary xylem (b) Secondary phloem (c) Protoxylem (d) Cortical cells
Last Answer : (c) Protoxylem
Description : Each secondary spermatocyte after second meiotic division produces
Last Answer : Each secondary spermatocyte after second meiotic division produces A. Four haploid spermatids B. ... haploid spermatids D. Two diploid spermatids.
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 : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by meiosis I in the spermatogonia .
Last Answer : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by ... . If both Assertion & Reason are False.
Description : How many sperms are formed by one primary spermatocyte ?
Last Answer : How many sperms are formed by one primary spermatocyte ? A. 4 B. 3 C. 2 D. 1
Description : (i) Write the specific location and the functions of the following cells in human males Leydig cells Sertoli cells Primary spermatocyte (ii) Explain the role of any two accessory glands in human male reproductive system. -Biology
Last Answer : I)Oogenesis begins during the embryonic development stage when a million gamete mother cells (oogonia) are formed within each foetal ovary. (ii) (a) Sertoli cells are located on the inside ... provide nutrition to sperms. (b) Bulbourethral glands Their secretion helps in the lubrication of penis.
Description : During spermatogenesis, the diploid cells are
Last Answer : During spermatogenesis, the diploid cells are A. Primary spermatocyte and spermtogonium B. ... spermatid. D. Primary spermatocyte and spermatid.
Description : Arrange the correct sequence of column II against the states in column I I. Chikkamagaluru II. Singhbhum III. Durg IV. Koraput -Geography
Last Answer : (a) III – 1, IV – 2, I – 3, II – 4
Description : Observe the given figure of ATP sysnthesis through chemiosmosis and arrange the followign events in correct sequence (a) Movement of `e^(-)` through H
Last Answer : Observe the given figure of ATP sysnthesis through chemiosmosis and arrange the followign events in ... the ATPase (e) Formation of ATP molecule
Description : Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata B. Crossing over C. Synapsis D. Disjunction of chrom
Last Answer : Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata ... ` C. `CtoBtoDtoEtoA` D. `CtoBtoEtoAtoD`
Description : Arrange the following events of meiosis in correct sequence : (a) Crossing over (b) Synapsis ( c ) Terminalisation of chaismata (d) Disappearance of n
Last Answer : Arrange the following events of meiosis in correct sequence : (a) Crossing over (b) Synapsis ( c ) Terminalisation of ... . (a), (b), ( c ), (d)
Description : Arrange the following events of meiosis in correct sequence (i) Crossing over (ii) Synapsis (iii)Terminalisation of chiasmata (iv) Disappearance of nucleolus (a) (i), (ii), (iii), (iv) (b) (ii), (iii), (iv), (i) (c) (ii), (i), (iv), (iii) (d) (ii), (i), (iii), (iv)
Last Answer : (d) (ii), (i), (iii), (iv)
Description : Arrange the following steps of research in correct sequence: 1. Identification of research problem 2. Listing of research objectives 3. Collection of data 4. Methodology 5. Data analysis 6. Results and discussion (A) 1 - 2 - 3 - 4 - 5 - ... C) 2 - 1 - 3 - 4 - 5 - 6 (D) 2 - 1 - 4 - 3 - 5 - 6
Last Answer : Answer: B
Description : Arrange column II in proper sequence so as to match it with column I and choose the correct answer from the code given below :
Last Answer : Answer: C PH indicates the sample's acidity but is actually a measurement of the potential activity of hydrogen ions (H+) in the sample. PH measurements run on a scale from 0 to 14, with 7.0 ... with 7 being neutral. pHs less than 7 are acidic, whereas pHs greater than 7 are alkaline (basic).
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 : Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells
Last Answer : d) Egg cell and antipodal cells
Description : Which one of the following statements is not correct? (a) Offspring produced by the asexual reproduction are called clone. (b) Microscopic, motile, asexual reproductive structures are called zoospores. ( ... in the standing water, drains oxygen from water that leads to the death of fishes.
Last Answer : (c) In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
Description : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)
Last Answer : Arrange the following resonating structures in order of increasing stability `underset((I))(CH_(2)=overset(+)(N)= ... gt IV D. III gt I gt IV gt II
Description : A weed with a trailing stem a).Convolvulus arvensis b). Digitaria sanguinalis c). Cuscuta sp d). Cynodon sp
Last Answer : a).Convolvulus arvensis
Description : Spermatogonia develop through division
Last Answer : Spermatogonia develop through division A. Amitosis B. Mitosis C. Meiosis I D. Meiosis II.
Description : In between spermatogonia are found
Last Answer : In between spermatogonia are found A. Germinal cells B. Sertoli cells C. Epithelial cells D. Lymphatic space
Description : In the following reactions sequence, the correct structures of E,F and G are
Last Answer : In the following reactions sequence, the correct structures of E,F and G are A. B. C. D.
Description : Human primary spermatocyte contains
Last Answer : Human primary spermatocyte contains A. 22 autosomes and a X-chromoesome B. 22 sutosomes and a Y- ... D. 22 pairs of autosomes and XY chromosomes.
Description : The number of autosome in human prilmary spermatocyte is :
Last Answer : The number of autosome in human prilmary spermatocyte is : A. 22 B. 23 C. 44 D. 46
Description : Primary spermatocyte differs from spermatogonium in
Last Answer : Primary spermatocyte differs from spermatogonium in A. Size and volume B. Size of chromosomes C. DNA content D. Number of chromosomes.
Description : How many sperms are produced from one primary spermatocyte?
Last Answer : How many sperms are produced from one primary spermatocyte? A. 8 B. 6 C. 2 D. 4
Description : Arrange the following statements in a logical sequence and select the right answers by using the code given below. -SST 10th
Last Answer : A - Logical sequence of the above given statements is as follows: D. Some social differences may result in social divisions B. Social divisions of one kind or the other exist in most ... all political expression of social divisions need not be always dangerous Hence, option (a) is correct
Description : Why is it important for historians to be able to arrange events into sequence?
Last Answer : Chronology is important because the exact order in which events occur helps us understand the cause and the effect of those events, and thereby allow us to step back and view the "big picture" of history - how and why events unfold in the way they do, and how they are related.
Description : . Arrange the developments related to European history in a chronological sequence. I. Napoleon invaded Italy. II. Unification of Italy. III. Unification of Germany. IV. Vienna Settlement. (1) I, III, II and IV (2) I, II, IV and III (3) I, IV, II and III (4) I, II, III and IV
Last Answer : (3) I, IV, II and III
Description : Arrange the given words in the sequence in which they occur in the dictionary. 1. Stern 2. Startle 3. Steep 4. Storm 5. Stick Options: 1) 23451 2) 23154 3) 23145 4) 23415
Last Answer : Correct Answer: 23154
Description : Arrange the given words in the sequence in which they occur in the dictionary. 1, Shapely 2. Shoddy 3. Shelve 4, Short 5. Sharp Options: 1) 15234 2) 51234 3) 15324 4) 51324
Last Answer : Correct Answer: 15324
Description : Arrange the given words in the sequence in which they occur in the dictionary. 1. Reality 2. Receptive 3. Rebound 4. Realism 5. Realize Options: 1) 45132 2) 41532 3) 41523 4) 45123
Last Answer : Correct Answer: 41532
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 : Correct order of spermatogenesis is :-
Last Answer : Correct order of spermatogenesis is :- A. Spermatocytes , Spermatogonia , Spermatid , Sperm B ... , Sec. Spermatocytes , Spermatid , Sperm
Description : Read the different components from (i) to (iv) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem. (i) Secondary cortex (ii) Wood ... ) (c) (iii), (iv), (ii), (i) (d) (i), (ii), (iv), (iii).
Last Answer : (a) (iv), (i), (iii), (ii)
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 : 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 : Which of the following structures is involved in gaseous exchange in woody stem of a plant? (a) Stomata (b) Lenticel (c) Hydathode (d) Epidermis
Last Answer : (b) Lenticel
Description : Which of the following is not a stem modification? (a) Tendrils of cucumber (b) Flattened structures of Opuntia (c) Pitcher of Nepenthes (d) Thorns of citrus
Last Answer : (c) Pitcher of Nepenthes