InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1151. |
Which one occurs first in embryoA. NeurogenesisB. NotogenesisC. HeptogenesisD. Cardiogenesis. |
| Answer» Correct Answer - A | |
| 1152. |
In the event of pregnancy, the corpus luteum persists under the influence ofA. LHB. FSHC. chorionic gonadotropinD. progesterone. |
|
Answer» Correct Answer - C Refer to answer 122 |
|
| 1153. |
During the development of embryo, which of the following occurs first?A. Differentiation of organB. Differentiation of tissueC. differentiation of organ systemD. Differentiation of cells |
|
Answer» Correct Answer - D After fertilisation the zygote undergoes the process of cleavage to form a number of cells which ultimately undergo the process of differntiation and then forms tissues,, organ and lastly organ systems. |
|
| 1154. |
Given below are four statements each with one or two blanks. Select the option which correctly fills up the blanks in any two statements. (A). The embryo with 8 to 16 blastomeres is called a (i)._____ (B). Embedding of the (i)._____ in the endometrium of the uterus is called implantation and it leads to (ii). ______ (C). After implantation finger like projections appear on the trophoblast called (i)._____ which are surrounded by the (ii)._____ abnd maternal blood. (D). Inner cell mass contains certain cells called (i)._____ cells which have the potency to give rise to all the tissues and organs.A. (A)-(i) blastula, (C)-(i) chorionic villi, (ii)-uterine tissueB. (B)-(i) blastocyst, (ii) pregnancy, (D)-(i) stemC. (A)-(i) morula, (D)-(i) sertliD. (B)-(i) morula, (ii) parturition, (C)-(i) fimbriae, (ii)-embryonic tissue |
| Answer» Correct Answer - B | |
| 1155. |
Given below are four statement (A-D) each with one of two blanks .Select the option which correctly fill up the blanks in two statements A The human male ejaculates about (i) million sperms during a cooitus . Out of which for normal fertility at teast (iii) percent sperms must have normal shape and size B. A primary spermatocyte completes (i) meiotic division leading to the formation of two equal haploid cells called (i) C. Spermatogenesis starts at the age of (i) due to significant increase in the secretion of (ii) a hypothalamic hormone D. Oogenesisi is initiated during embryonic development and at puberty only (i) primary follicles are left in each overyA. A -(i) : 200 to 300 , (ii) 40 B - (ii) : Second , (ii) SpermatidsB. A- (i) : 200 to 300 , (ii) 40 D- (i) : 60, 000 to 80,000C. B- (i) : First : (ii) Secondary spermatocytes C- (i) : Puberty , (ii) GnRHD. C - (i) Pubety , (ii) Gonadotrophlns D- (i) : 60, 000 to 80, 000 |
| Answer» Correct Answer - C | |
| 1156. |
Which of the following labelled parts produces energy for the movement of the fall that facilitate sperm motility essential for fertilisation ? A. AB. BC. CD. D |
| Answer» Correct Answer - C | |
| 1157. |
Acrosome is a type ofA. lysosomeB. flagellumC. ribosomeD. basal body. |
|
Answer» Correct Answer - A Acrosome, a cap like structure present at the tip of the sperm, is a lysosome like organelle derived from Golgi apparatus. It contains a veriety of diagestive enzymes that break the effe membrane during penetration of the sperm into the egg. |
|
| 1158. |
The sperm undergo physiological maturation, acquiring inreased motility and fertilising capacity inA. seminiferous tubulusB. vasa efferentiaC. epididymisD. vagina |
|
Answer» Correct Answer - C In the head of the epididymis, the sperms undergo physiological maturation, acquiring increased motility and fertilising capacity. |
|
| 1159. |
Which statement about oocytes is true?A. At the onset of menopause, the human female stops producung them.B. They are produced by the human female through out adolscence.C. Those produced by the females are stored in the seminiferous tubules.D. At birth, the human female has produced all the oocytes she will ever produce. |
|
Answer» Correct Answer - d In human, no new ova are formed afterbirth. At the time of birh, there are two million ova but 50% of these are atretic. |
|
| 1160. |
Which of the following contaions the actual genetic part of a sperm ?A. Whole of itB. TailC. Middle pieceD. Head |
|
Answer» Correct Answer - D Head of the sperm is anterior, broad, flattened and oval structure. It consists of two parts, posterior large nucleus and anterior small cap-like acrosome. The nucleus consists of condensed DNA and basic proteins. |
|
| 1161. |
Number of chromosomes in a primary spermatocyte is:A. same as in spermatidB. same as in spermatogoniumC. half of that in spermatogoniumD. same as in secondary spermatocyte |
|
Answer» Correct Answer - b Both spermatogonium and primary spermatocyte are diploid cells. |
|
| 1162. |
Cytoplasm of ovum does not contain:A. ribosomesB. mitochondriaC. golgi bodiesD. centrosomes |
|
Answer» Correct Answer - d The proximal centriole introduced by sperm during fertilization contributes to the formation of spindle for the first cleavage divison in the zygote. |
|
| 1163. |
The actual genetic part of the sperm is:A. tailB. headC. acrosomeD. middle piece |
|
Answer» Correct Answer - b The sperm head contains male pronucleus with paternal chromosomes. |
|
| 1164. |
The formation of the acrosome:A. involves mitotic activityB. occurs in the epididymisC. involves meiotic divisionsD. involves the naturation of lytic enzymes |
|
Answer» Correct Answer - d The formation of acrosome involves the maturation of lytic enzymes (including acrosin, a serine protease, hyaluronidase) which will be responsible for the penetration ability of the sperm. |
|
| 1165. |
Fertilization of ovum takes place in rabbit, man and other placental mammels in:A. ovaryB. uterusC. cervixD. Fallopian tube |
|
Answer» Correct Answer - d Fallopian tube, namedafter the italian anatomist Gabriele Falopio, serves as a passage through an ovum is carried to uterus and through which spermatozoa move out towards the ovary. |
|
| 1166. |
Acromosome of sperm is formed from:A. nucleus of spermatidB. cetrosome of spermatidC. mitochondria of spermatidD. golgi complex of spermatid |
|
Answer» Correct Answer - d Acromosomes is a cap like structure surrounding the anterior end of the nucleus having chromosome. |
|
| 1167. |
Amont of yolk and its distribution are changed in the egg. Which one is affected?A. Pattern of cleavageB. Formation of zygoteC. Number of blastomeresD. Fertilization |
| Answer» Correct Answer - A | |
| 1168. |
During fertilization, the enzyme which facilitates penetration of the egg by the spermatozoan is:A. hyaluronidaseB. acid phosphateC. acetylcholinesteraseD. alkaline phosphate |
|
Answer» Correct Answer - a Hyaluronidase is an important enzyme involved in the catabolism of both hyaluronic acid and chondroitin sulphate. The release of this enzyme from the acrosome breaksdown the intercellular connections of the cumulus cells and allows sperm to penetrate between the cells to the corona layer. |
|
| 1169. |
Ascrosome reaction is sperm is triggered byA. CapacitationB. Relese of lysinC. Influx of `Na^(+)`D. Release of fertilisin . |
| Answer» Correct Answer - D | |
| 1170. |
In the given diagram identify parts, named 1-5: A. 1-nucleus,2-tail, 3-mitochondria, 4-acrosome, 5-centrioleB. 1-acrosome ,2-nucleus, 3-centriole, 4-mitochondria, 5-plasma membraneC. 1-nucleus ,2-mitochondria, 3-plasma membrane, 4-centriole, 5-neckD. 1-acrosome ,2-centriole, 3-mitochondria, 4-plasma membrane, 5-tail |
| Answer» Correct Answer - b | |
| 1171. |
Conversion of spermatois to a spermatozoan is called :A. cytokinesisB. vitellogenesisC. spermiogenesisD. spermatogenesis |
| Answer» Correct Answer - c | |
| 1172. |
The first half of menstrual cycle is called:A. secretory phaseB. proliferative phaseC. luteal phaseD. none of these |
| Answer» Correct Answer - b | |
| 1173. |
Which one of the following is the correct matching of the events occurring during mentrual cycle?A. `{:("(a) Ovulation"," LHand FSH attain peak level"),(," and sharp fall in the secretion"),(," of progesterone"):}`B. `{:("(b) Proliferative"," Rapid regeneration of"),(" phase"," myometrium and"),(," maturation Graafian"),(," follicle"):}`C. `{:("(c) Development of"," Secretory phase and"),(" corpus luteum"," increased secretion of"),(," progesterone"):}`D. `{:("(d) Menstruation"," Breakdown of myometrium"),(," and ovum not fertilised"):}` |
|
Answer» Correct Answer - B (b) In secretory phase during ovulation, the follicle breaks and collapes under the continuous influence of Luteinising Hormone (LH). It begins to enlarge and forms a yellowish structure, called the corpus luteum. The corpus luteum plays an important role in the preparation of the endometrium for the implanatation of the fertilised egg by secreting oestrogens and progesterone. |
|
| 1174. |
A spermatid is:A. diploidB. triploidC. haploidD. polyploid |
| Answer» Correct Answer - c | |
| 1175. |
Which of the following statements is incorrect about menstruation?A. The menstrual fluid can easily clot.B. During normal mensuration about 40 mL blood is lost.C. The beginning of the cycle of menuration is called menarche.D. At menopause in the female, there is especially abrupt increase in gonadotropic hormones. |
| Answer» Correct Answer - a | |
| 1176. |
Which one of the following statements is incorrect about menstruation?A. During normal menstruation about 40 ml blood is lostB. The menstrual fluid can easily clotC. At menopause in the female, there is especially abrupt increase in gonadotropic hormonesD. The beginning of the cycle of menstruation is called menarche |
|
Answer» Correct Answer - B (b) During normal menstruation approximately 40 mL of blood and an additional 35 mL of serous fluids are lost. The menstrual fluid is normally non-clotting because a fibrinolysin is released alongwith necrotic endometrial material. |
|
| 1177. |
Which is incorrect about menstruation?A. At menopause, there is abrupt increase gondotropic hormonesB. Beginning of cycle of menstruation is called menarcheC. During normal menstruation about 40 ML of blood is lostD. Menstrual fluid can easily clot. |
|
Answer» Correct Answer - D (D) Menstrual fluid cannot easily clot. |
|
| 1178. |
Acrosome reaction of sperm is triggered byA. CapacitationB. Release of lysinC. Release of fertilizinD. Influx of `Na^(+)` |
| Answer» Correct Answer - C | |
| 1179. |
Cleavage is a unique form of mitotic cell division in thatA. there is no growth of cellsB. the nucleus does not particularsC. no spindle develops to drag chromosomesD. The plasma membranes of daughter cells do not separate |
| Answer» Correct Answer - A | |
| 1180. |
Which one of the following is incorrect?A. fertilization follows capacitationB. cleavage of fertilized ovum results in blastulaC. fusiion of sperm and ovum occurs in fallopian tubeD. cleavage leads to increase in the mass of protoplasm |
| Answer» Correct Answer - D | |
| 1181. |
Which is incorrect about menstruation?A. At menopause, there is abrupt increase in gonadotropic hormonesB. Beginning of cycle of menstruation is called menarcheC. During normal menstruation about 40mL of blood is lostD. Me nstrual fluid can easily clot. |
| Answer» Correct Answer - D | |
| 1182. |
The number of chromosomes in a mature gamete gets halved during:A. meiosis IIB. formation of first polar bodyC. formation of second polar bodyD. divison of secondary oocyte and spermatocyte |
| Answer» Correct Answer - b | |
| 1183. |
Oogonium isA. haploidB. diploidC. triploidD. euploid |
| Answer» Correct Answer - B | |
| 1184. |
During cleavage, the cell division is very rapid. The daughter cells do not undergo any growth and the cells thus become gradually smaller in volume. HenceA. the embryo becomes haploidB. the embryo grows in volumeC. the embryo becomes smaller in volumeD. there is no increase in the volume of the embryo |
| Answer» Correct Answer - D | |
| 1185. |
Failure of testes tod descent into scrotum isA. VasectomyB. CryptorchidismC. ImpotencyD. Tubectomy. |
| Answer» Correct Answer - B | |
| 1186. |
Find the correct optionsA. Testeterone influences male secondary sexual charactersB. Gestation period in Rabbit is about 276 daysC. Bulbourethal gland secretes a vaginal lubricant qD. Placenta secretes estrogen. |
| Answer» Correct Answer - C | |
| 1187. |
The number of chromosomes in a mature gamete gets halved duringA. Meiosis IIB. Formationof first polar bodyC. Formation of second polar bodyD. Division of secondary oocyte and secondary spermatocyte |
| Answer» Correct Answer - B | |
| 1188. |
Pattern of cleavage in egg of Frog isA. MeroblasticB. Holoblastic unequalC. Holoblastic equalD. All the above. |
| Answer» Correct Answer - B | |
| 1189. |
Mesorchium in frog refers toA. capsule in testisB. capsule in ovaryC. a peritoneal fold that covers testisD. |
| Answer» Correct Answer - C | |
| 1190. |
Some mature cells cannot undergo division becauseA. Their genes have become inactiveB. They lack centriolesC. They have taken up specific function and undergone differentiationD. They have lost the ability to divide. |
| Answer» Correct Answer - C | |
| 1191. |
Gubrenaculum is the ligamentous connective cord which connects:A. testis to kidneyB. testis to scortumC. ovary to abdominal wallD. muscle to muscle |
| Answer» Correct Answer - b | |
| 1192. |
In oogensis, egg is fertilised by sperm at which stage?A. Primary oocyteB. Secondary oocyteC. OogoniumD. Ovum. |
| Answer» Correct Answer - B | |
| 1193. |
One million oocytes and one million secondary spermatocytes will give:A. 2 million ova 1 million spermsB. 2 million ova and 2 million spermsC. 1 million ova and 2 million spermsD. 1 million ova and 1 million sperms |
| Answer» Correct Answer - C | |
| 1194. |
In which phase of cell division is oocyte arrested ?A. InterphaseB. Prophase IC. Anaphase IID. Both prophase I and II |
| Answer» Correct Answer - B | |
| 1195. |
Attachment of foetus to placenta occurs throughA. Chorda mesodermB. Spinal cordC. Umbilical cordD. Notochord |
|
Answer» Correct Answer - C (C ) Attachment of foetus to placenta occurs through umbilical cord. |
|
| 1196. |
Which type of blastual occurs in Frog?A. SteroblastulaB. CoeloblastulaC. HoloblastulaD. Amphiblastula. |
| Answer» Correct Answer - B | |
| 1197. |
In which of the following organisms testes decends into scortum in breeding season but in non breeding season goes up?A. BatB. FrogC. ShrewD. Kangaroo |
| Answer» Correct Answer - a | |
| 1198. |
Which part of the ovary in mammals acts as an endocrine gland after ovulation ?A. Vitelline membraneB. Graafian follicleC. StromeD. Germinal epithelium |
| Answer» Correct Answer - B | |
| 1199. |
Sperms are produced in:A. vas deferensB. Interstitial cellsC. Prostate glandD. Seminiferous tubules. |
| Answer» Correct Answer - D | |
| 1200. |
100 eggs and 100 sperms can be produced from_____and_____meiotic division respectively.A. 25,25B. 100,25C. 100100D. 25100 |
| Answer» Correct Answer - B | |