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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.
| 951. |
Given below are asssertion and rason. Point out if both are true with reason being correct explanation (A) both correct but reason is not correct explanation (B), assertion true but reason wrong ©, both are wrong (D) Assertion. Holoblastic cleavage with almost equal sized blastomeres is charactristic of placental mammal. Reason. Eggs of most mammals including humans are centroecithalA. AB. BC. CD. D |
| Answer» Correct Answer - C | |
| 952. |
The immature male germ cells undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.A. Spermatogenia have 46 chromosomes and always undergo meiotic cell divison.B. Primary spermatocytes divide by mitotic cell divison.C. secendory spermatocytes have 23 chromosomes and undergo second meiotic divison.D. Spermatozoa are transformed into spermatids. |
| Answer» Correct Answer - c | |
| 953. |
If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be the ratio of ova and sperms produced?A. `1 : 1`B. `1 : 2`C. `1 : 4`D. `2 : 1` |
| Answer» Correct Answer - c | |
| 954. |
Go through the following statements (i) Androgens are produced by the interstitial cells (ii) Sertoli cells give rise to germ cells (iii). Secretions of male accessory glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes (iv) The presence or absence of hymen is a very reliable indicator of virginity. Which of these are correct?A. `i` & iiiB. iii & ivC. `i`, iii & ivD. all are correct |
| Answer» Correct Answer - A | |
| 955. |
Changes in GnRH pulse frequency in females is controlled by circulating levels of:A. Progesterone and inhibinB. Estrogen and progesteroneC. Estrogen and inhibinD. Progesterone only |
| Answer» Correct Answer - B | |
| 956. |
Changes in GnRH pulse frequency in females is controlled by circulating levels ofA. progesterone onlyB. estrogen and inhibinC. progesterone and inhibinD. estrogen and progesterone |
| Answer» Correct Answer - d | |
| 957. |
Corpus luteum is a mass of cells found inA. brainB. ovaryC. pancreasD. spleen |
| Answer» Correct Answer - B | |
| 958. |
Cells of leydig are found inA. Testes of frogB. Testes of rabbitC. Kidney of frogD. Kidney of rabbit |
| Answer» Correct Answer - B | |
| 959. |
Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child ?A. Only one X- chromosomeB. One X and one Y chromosomeC. Two X chromosomeD. Only one Y chromosome |
| Answer» Correct Answer - C | |
| 960. |
Which one develops from ectoderm?A. Liver and heartB. Notochord and vertebral columnC. Spinal cord and brainD. Eye and skin. |
| Answer» Correct Answer - C | |
| 961. |
In development, neruvous system (brain,spinal cord,nerve cells) isA. EctodermalB. EndodermalC. EndomesodermaD. Endomesodermal |
| Answer» Correct Answer - A | |
| 962. |
In devalopment, Eustachian tube isA. EctodermalB. MesodermalC. EndodermalD. Both mesodermal and endodermal. |
| Answer» Correct Answer - C | |
| 963. |
Match the following A. A=1, B=2, C=3, D=4, E=5B. A=3, B=1, C=4, D=2, E=5C. A=2, B=4, C=3, D=5, E=1D. A=3, B=1, C=5, D=2, E=4 |
| Answer» Correct Answer - d | |
| 964. |
Chosse the correct oneA. Mesoderm-skeletonB. Mesoderm-brainC. Ectoderm-liverD. Endoderm-epidermis. |
| Answer» Correct Answer - A | |
| 965. |
The ovary remains attached to the abdominal wall by a ligament called:A. mesorchiumB. fallopian tubeC. mesovariumD. none of these |
| Answer» Correct Answer - c | |
| 966. |
In which organ the bulk is formed of endodermA. IntestineB. LiverC. Heart Kidney.D. |
| Answer» Correct Answer - B | |
| 967. |
In which type of placnta minimum number of barrier is / are present between foetal and maternal blood?A. syndesomochorialB. HaemochorialC. HaemoendothelialD. Endotheliochorial |
| Answer» Correct Answer - C | |
| 968. |
The central vascular tissue of mammalian ovary is called:A. stromaB. medullaC. theca internaD. corona radiata |
| Answer» Correct Answer - b | |
| 969. |
Which is absent in human sperm?A. NucleusB. MitochondriaC. CentrioleD. Endplasmic reticulum |
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Answer» Correct Answer - D (D) Endoplasimc reticulum is absent in human sperm. |
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| 970. |
Vascular and excretory organs are formed fromA. EndodermB. MesodermC. Ectoderm of embryonic disc.D. Mesendoderm. |
| Answer» Correct Answer - B | |
| 971. |
Number of chromosmes in secondary oocyte stage in human isA. 23B. 46C. 18D. 20 |
| Answer» Correct Answer - A | |
| 972. |
Blood flowing in umbilical cord of mammalian embryo isA. 100% maternalB. 50% maternal and 50% foetalC. 100% foetalD. 75% foetal anf 25% maternal |
| Answer» Correct Answer - C | |
| 973. |
In mammals, the onset of pregnancy causesA. Secretion of testorsteroneB. Degeneration of ovaryC. Inhibition of further ovulationD. Inhibition of fertilization. |
| Answer» Correct Answer - C | |
| 974. |
Which is absent in human spermA. NucleusB. Mitochondria onlyC. Centriole onlyD. Endopllasmic reticulum. |
| Answer» Correct Answer - D | |
| 975. |
Select the correct explanation for the label a,b,c and d A. a-represents fertilized zygoteB. b-represents stage of morulaC. c-represents blastocystD. d-represents blastocyst implanation. |
| Answer» Correct Answer - D | |
| 976. |
Umbilical cord containsA. UmbilicusB. PlacentaC. Discus proligerusD. Allantoic artery and vein. |
| Answer» Correct Answer - D | |
| 977. |
Gestation period is the duration:A. Between egg growth and ovulationB. Of fertilizationC. Between fertilization and parturitionD. Between preparation of sex cells and fertilisation. |
| Answer» Correct Answer - C | |
| 978. |
Jaw bones are formed fromA. EctodermB. EndodermC. MesodermD. Ectoderm and endoderm. |
| Answer» Correct Answer - C | |
| 979. |
Early embryonic stage that follows blastuls isA. MorulaB. AmphiblastulaC. RadulsD. Gastrula. |
| Answer» Correct Answer - D | |
| 980. |
Given below are assertion and reason. Poin t out if both are true and the reason is correct explanation (A), both are true but reason is not correct explanation (B), assertion is ture but reason is wrong © and both are wrong divides without increase in size. Reason. Zona pellucida remains till cleavage is finishedA. AB. BC. CD. D |
| Answer» Correct Answer - B | |
| 981. |
Amnion and chlorion consist ofA. SomatopleureB. SplanchnopleureC. Somatic mesodermD. Primary spermatocyte and spermatid. |
| Answer» Correct Answer - A | |
| 982. |
Amnion is helpful to embryo inA. NutritionB. Proection from shockC. ExcretionD. Respiration. |
| Answer» Correct Answer - B | |
| 983. |
In development of Frog gastrulation involvesA. EpibodyB. EmbolyC. Invagination and ingressionD. All the above. |
| Answer» Correct Answer - D | |
| 984. |
Twin develops fromA. Different zygotesB. Different ovaC. Different spermsD. Same zygote. |
| Answer» Correct Answer - D | |
| 985. |
Graffian follicles occur inA. OvaryB. TestisC. EggD. Sperm. |
| Answer» Correct Answer - A | |
| 986. |
Thick layer which immediately surrounds the ovum isA. Zona pellucidaB. Membrana gramulosaC. Corona radiataD. Theca interna. |
| Answer» Correct Answer - A | |
| 987. |
Amnion surroundsA. AllantoisB. ChorionC. EmbryoD. Yolk sac. |
| Answer» Correct Answer - C | |
| 988. |
Fertilization of ovum occur inA. Fimbriae of oviductB. Isthmus of oviductC. Ampulla of oviductD. None of the above. |
| Answer» Correct Answer - C | |
| 989. |
A perforated membrane which normally surrounds the ovum of a mammal:A. corona radiataB. jelly envolopeC. zona pellucidaD. vitelline membrane |
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Answer» Correct Answer - c Zona pellucida is a thick, transperent, noncellular membrane that encloses mammalian ovum. |
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| 990. |
Atretic follicles are found in the :A. OvaryB. ThymusC. TestisD. Liver |
| Answer» Correct Answer - A | |
| 991. |
Atretic follicles occur inA. OvaryB. ThymusC. TestisD. Liver |
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Answer» Correct Answer - A (A) Atretic (degenerated ) follicles occur in ovary. |
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| 992. |
Secretion of GnRH would lead toA. secretion of testosterone leading to mammary gland developmentB. release of prolactin leading to milk production in mammary glandsC. secretion of LH and FSH leading to follicle developmentD. All of the above |
| Answer» Correct Answer - C | |
| 993. |
The entry of additional sperms into the ovum is prevented because of:-A. release of secretions from the acrosomeB. changes in the zonapellucidaC. changes in the corona radiataD. contractions and secretions of the fallopian tube |
| Answer» Correct Answer - B | |
| 994. |
Which of the following control the function Sertoli cells?A. EstrogenB. FSHC. TesteroneD. ACTH. |
| Answer» Correct Answer - B | |
| 995. |
The spermatids mature in:A. Sertoli cellsB. leydig cellsC. Both (a) and (b)D. none of these |
| Answer» Correct Answer - a | |
| 996. |
Atretic follicles are found in the :A. liverB. ovaryC. testisD. thymus |
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Answer» Correct Answer - d Atretic follicle refers to degenerated ovarian follicle in mammals. |
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| 997. |
Sertoli cells are present in:A. testisB. ovaryC. bloodD. lymph |
| Answer» Correct Answer - a | |
| 998. |
Assertion: If scrotal sacs removed, testosterone is still found in the body. Reason: Small amount of adrogents is secreted by the adrenal cortex.A. If both assertion and reason are true and the reason is the correct explanation of the assertion, then mark a.B. if both assertion and reason are ture but the reason is not the correct explanation of assertion, then mark b.C. if assertion is true statement but reason is false, then mark c.D. If both assertion and reason are false statements, then mark d. |
| Answer» Correct Answer - A | |
| 999. |
Which of the following control the function Sertoli cells?A. FSHB. ACTHC. OestrogenD. Testosterone |
| Answer» Correct Answer - a | |
| 1000. |
Cumulus covers:A. ovumB. ovaryC. embryoD. all of these |
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Answer» Correct Answer - a The granulosa covering the oocyte is called cumulus. |
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