12th Class Biology Human Reproduction Question Bank

done MCQs - Human Reproduction Total Questions - 87

• question_answer1)
  Pouch in which testes are suspended outside the abdominal cavity, is
  A)
  tunica albuginea             done clear
  B)
  inguinal canal done clear
  C)
  epididymis         done clear
  D)
  scrotum done clear
  View Solution play_arrow

• question_answer2)
  Testes are extra-abdominal in position'. Which of the following is the most appropriate reason?
  A)
  Narrow pelvis in male done clear
  B)
  Special protection for testis done clear
  C)
  Prostate gland and seminal vesicles occupy maximum space done clear
  D)
  Require lower temperature than normal body temperature done clear
  View Solution play_arrow

• question_answer3)
  Temperature of human testis is
  A)
  \[2-2.5{}^\circ C\] below body temperature done clear
  B)
  \[38{}^\circ C\] done clear
  C)
  \[33{}^\circ C\] done clear
  D)
  \[2.25{}^\circ C\] above body temperature done clear
  View Solution play_arrow

• question_answer4)
  Testicular lobules contain
  A)
  3-5 seminiferous tubules done clear
  B)
  2-6 seminiferous tubules done clear
  C)
  5-7 seminiferous tubules done clear
  D)
  1-3 seminiferous tubules done clear
  View Solution play_arrow

• question_answer5)
  Approximate length and width of testis are
  A)
  4-5 cm and 2-3 cm done clear
  B)
  5-6 cm and 3-4 cm done clear
  C)
  6-7 cm and 4-5 cm done clear
  D)
  7-8 cm and 8-9 cm done clear
  View Solution play_arrow

• question_answer6)
  The seminiferous tubules of the testis is lined on its inside by
  A)
  spermatocytes    done clear
  B)
  spermatogonia done clear
  C)
  cells of Sertoli     done clear
  D)
  Both [b] and [c] done clear
  View Solution play_arrow

• question_answer7)
  Interstitial cells secretes
  A)
  androgen       done clear
  B)
  oestrogen done clear
  C)
  FSH                              done clear
  D)
  inhibin done clear
  View Solution play_arrow

• question_answer8)
  The vas deferens receives duct from the seminal vesicle and opens into urethra as                 
  A)
  epididymis                     done clear
  B)
  ejaculatory duct done clear
  C)
  efferent ductule               done clear
  D)
  ureter done clear
  View Solution play_arrow

• question_answer9)
  The vasa efferentia exit the testis and open into the ...A.. located along the ...B... surface. Here, A and B refer to
  A)
  A-rete testis, B-epididymis done clear
  B)
  A-epididymis, B-rete testis done clear
  C)
  A-epididymis, B-posterior done clear
  D)
  A-epididymis, B-anterior done clear
  View Solution play_arrow

• question_answer10)

  Choose the correct option.

  A)
  A- Testis-possesses 3-4 testicular lobules done clear
  B)
  B- Seminal vesicle-storage of sperm done clear
  C)
  C- Vas deferens-helps in sperm transfer done clear
  D)
  D- Prostate gland-secretes seminal fluid done clear
  View Solution play_arrow

• question_answer11)

  Read the following statements.

  I. Each testis has about 25 compartments called testicular lobules.

  II. Each testicular lobule contains one to three highly coiled seminiferous tubules in which sperms are produced.

  III. Sertoli cells act as nurse cells of testicles.

  IV. Sertoli cells are activated by FSH secreted.

  Which of the above statements are incorrect?

  A)
  I and III                         done clear
  B)
  Only I done clear
  C)
  II and IV                        done clear
  D)
  III and lV done clear
  View Solution play_arrow

• question_answer12)
  Select the correct sequence for transport of sperm cells in male reproductive system.
  A)
  Testis\[\to \] Epididymis\[\to \] Vasa efferentia\[\to \] Rete testis\[\to \] Inguinal canal\[\to \] Urethra done clear
  B)
  Seminiferous tubules \[\to \] Rete testis\[\to \] Vasa efferentia\[\to \] Epididymis\[\to \] Vas deferens\[\to \] Ejaculatoryduct\[\to \] Urethra\[\to \]Urethral meatus done clear
  C)
  Seminiferous tubules\[\to \] Vasa efferentia\[\to \] Epididymis\[\to \] Inguinal canal\[\to \]Urethra done clear
  D)
  Testis\[\to \] Epididymis\[\to \]Vasa efferentia\[\to \] Vas deferens\[\to \] Ejaculatory duct\[\to \] Inguinal canal\[\to \] Urethra \[\to \] Urethral meatus done clear
  View Solution play_arrow

• question_answer13)
  Urethral meatus refers to the
  A)
  urinogenital duct  done clear
  B)
  opening of vas deferens into urethra done clear
  C)
  external opening of the urinogenital duct done clear
  D)
  muscles surrounding the urinogenital duct done clear
  View Solution play_arrow

• question_answer14)

  Given below diagram refers to the TS of testis showing few seminiferous tubules.

  A, B, C and D in the above figure represent.

  A)
  A-Sertoli cells, B-Secondaryspermatocyte, C-lnterstitial cells, D-Sperms done clear
  B)
  A-lnterstitial cells, B-Spermatogonia, C-Sertoli cells, D-Sperms done clear
  C)
  A-Sertoli cells, B-Spermatozoa, C-lnterstitial cells, D-Sperms done clear
  D)
  A-Sertoli cells, B-Spermatogonia, C-lnterstitial cells, D-Sperms done clear
  View Solution play_arrow

• question_answer15)

  Seminal plasma, the fluid part of semen, is contributed by (NCERT Exemplar)
  I. Seminal vesicle	II. Prostate
  III. Urethra	IV. Bulbourethral gland

  A)
  I and II                          done clear
  B)
  I, II and IV done clear
  C)
  II, Ill and IV                   done clear
  D)
  I and IV done clear
  View Solution play_arrow

• question_answer16)
  Function of bulbourethral gland is
  A)
  lubrication of penis done clear
  B)
  to increase motility of sperm done clear
  C)
  to enhance the sperm count done clear
  D)
  AII of the above done clear
  View Solution play_arrow

• question_answer17)
  The ovaries are located one on each side of the... A.... Each ovary is about 2-4 cm in length connected to the ...A.. wall by ... C.... Fill the suitable choices for A- C.
  A)
  A-inner medulla, B-peripheral cortex, C ligaments done clear
  B)
  A-lower abdomen B-pelvic, C-ligaments done clear
  C)
  A-pelvicwall, B-lower abdomen, C-ligaments done clear
  D)
  A-inner medulla, B-peripheral cortex, C-lower abdomen done clear
  View Solution play_arrow

• question_answer18)

  Identify A, B, C and D

  A)
  A-Oviduct, B-Uterus. C-Cervix, D-Ovary done clear
  B)
  A-Cervix, B-Uterus, C-Ovary, D-Tumour done clear
  C)
  A-Uterus, B-Uterine cavity, C-Oviductal funnel, D-Ovary done clear
  D)
  A-Cervix, B-Uterine cavity C-Fallopian tube, D-Ovary done clear
  View Solution play_arrow

• question_answer19)
  Human Fallopian tube is about
  A)
  8-9 cm long                    done clear
  B)
  9-10 cm long done clear
  C)
  10-12 cm long     done clear
  D)
  12-17 cm long done clear
  View Solution play_arrow

• question_answer20)
  Match the following columns.

  	Column I  (Female reproductive parts)		Column II  (Related to)
  A	Ovaries	1	Fertilisation
  B	Oviduct	2	Ovulation
  C	Uterus	3	Pregnancy
  D	Cervix	4	Childbirth

  Codes
  A)
  A-2       B-1       C-3       D-4 done clear
  B)
  A-1       B-2       C-3       D-4 done clear
  C)
  A-4       B-3       C-1       D-2 done clear
  D)
  A-2       B-3       C-4       D-1 done clear
  View Solution play_arrow

• question_answer21)
  The main function of fimbriae of Fallopian tube is
  A)
  help in development of ovary done clear
  B)
  help in collection of the ovum after ovulation done clear
  C)
  help in development of ova done clear
  D)
  help in fertilization done clear
  View Solution play_arrow

• question_answer22)
  The external genitalia of female reproductive system are collectively called
  A)
  vagina              done clear
  B)
  vulva done clear
  C)
  cervix                done clear
  D)
  clitoris done clear
  View Solution play_arrow

• question_answer23)
  Identify the odd one from the following
  A)
  labia minora                   done clear
  B)
  fimbriae done clear
  C)
  infundibulum                  done clear
  D)
  isthmus done clear
  View Solution play_arrow

• question_answer24)
  Fleshy folds of tissue which extends down the mons pubis and surrounds the vaginal opening is called
  A)
  labia minora                     done clear
  B)
  labia majora done clear
  C)
  hymen                           done clear
  D)
  clitoris done clear
  View Solution play_arrow

• question_answer25)
  Cushion of fatty tissue covered by skin and pubic hair is called
  A)
  mons pubis         done clear
  B)
  labia majora done clear
  C)
  clitoris              done clear
  D)
  vagina done clear
  View Solution play_arrow

• question_answer26)
  The uterus opens into the vagina by a canal called
  A)
  cervical canal     done clear
  B)
  fundus done clear
  C)
  ampulla            done clear
  D)
  oviducts done clear
  View Solution play_arrow

• question_answer27)

  A sectional view of mammary gland shows

  I. nipple and areola.

  II. mammary lobes (alveolus) and duct.

  III. ribs.

  IV. ampulla and lactiferous duct.

  Choose the correct option from the above.

  A)
  I, II, III and IV     done clear
  B)
  I, II and III done clear
  C)
  III, IV and II                   done clear
  D)
  I, IV and III done clear
  View Solution play_arrow

• question_answer28)
  Several mammary ducts joins to form a wider mammary ampulla, which is connected to
  A)
  lactiferous duct done clear
  B)
  seminiferous duct done clear
  C)
  seminiferous tubules done clear
  D)
  lactiferous canal done clear
  View Solution play_arrow

• question_answer29)
  The spermatogonia undergo division to produce sperms by the process of spermatogenesis.
  A)
  True done clear
  B)
  False done clear
  C)
  Cannot say                    done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer30)
  Which of the following cells have haploid number of chromosomes?
  A)
  \[1{}^\circ \] spermatocytes   done clear
  B)
  \[2{}^\circ \] spermatocytes done clear
  C)
  Spermatid                      done clear
  D)
  Both [b] and [c] done clear
  View Solution play_arrow

• question_answer31)
  Which among the following has 23 chromosomes?
  A)
  Spermatogonia               done clear
  B)
  Zygote done clear
  C)
  Secondary oocyte  done clear
  D)
  Oogonia done clear
  View Solution play_arrow

• question_answer32)

  Find out spermatid and Sertoli cell in given below diagram.

  A)
  D and E             done clear
  B)
  E and F done clear
  C)
  A and C            done clear
  D)
  B and E done clear
  View Solution play_arrow

• question_answer33)
  Spermiogenesis or Spermatiliosis is
  A)
  changing of spermatid to spermatozoa done clear
  B)
  chaging of spermatid to sperm done clear
  C)
  Both [a] and [b] done clear
  D)
  changing of spermatid to secondary spermatocytes done clear
  View Solution play_arrow

• question_answer34)
  In the formation of spermatozoa, the spermatids attach to
  A)
  Leydigcells done clear
  B)
  corona radiata cells done clear
  C)
  Sertoli cells done clear
  D)
  first polar body done clear
  View Solution play_arrow

• question_answer35)
  The difference between Spermiogenesis and spermiation is
  A)
  in Spermiogenesis, spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation, spermatozoa are formed done clear
  B)
  in spermiogenesis, spermatozoa are formed, while in spermiation, spermatids are formed done clear
  C)
  in Spermiogenesis, spermatids are formed, while in spermiation, spermatozoa are formed done clear
  D)
  in spermiogenesis, spermatozoa are formed, while in spermiation, spermatozoa are released through seminiferous tubules done clear
  View Solution play_arrow

• question_answer36)
  The release of..................... leads to initiation of spermatogenesis.
  A)
  GnRH done clear
  B)
  lactin done clear
  C)
  testosterone                    done clear
  D)
  oestrogen done clear
  View Solution play_arrow

• question_answer37)
  Everytime copulation does not lead to fertilisation and pregnancy because of failure of sperm to reach the
  A)
  ampulla done clear
  B)
  cervix done clear
  C)
  endometrium                  done clear
  D)
  myometrium done clear
  View Solution play_arrow

• question_answer38)
  What is the correct sequence of sperm formation?
  A)
  Spermatid, Spermatocyte, Spermatogonia, Spermatozoa done clear
  B)
  Spermatogonia, Spermatocyte, Spermatozoa, Spermatid done clear
  C)
  Spermatogonia, Spermatozoa, Spermatocyte, Spermatid done clear
  D)
  Spermatogonia, Spermatocyte, Spermatid, Spermatozoa done clear
  View Solution play_arrow

• question_answer39)

  Identify A, B and C in the diagram below.

  A)
  A-Acrosome, B-Tail, C-Mitochondria done clear
  B)
  A-Plasma membrane, B-Acrosome, C-Mitochondria done clear
  C)
  A-Mitochondria, B-Acrosome, C-Plasma membrane done clear
  D)
  A-Mitochondria, B-Plasma membrane, C-Tail. done clear
  View Solution play_arrow

• question_answer40)
  Match between the following representing parts of the sperm and their functions and choose the correct option.

  	Column I		Column II
  A	Head	1	Enzymes
  B	Middle piece	2	Sperm motility
  C	Acrosome	3	Energy
  D	Tail	4	Genetic material

  Codes
  A)
  A-2       B-4       C-1       D-3 done clear
  B)
  A-4       B-3       C-1       D-2 done clear
  C)
  A-4       B-1       C-2       D-3 done clear
  D)
  A-2       B-1       C-3       D-4 done clear
  View Solution play_arrow

• question_answer41)
  Find the odd one out.
  A)
  Spermatocyte                 done clear
  B)
  Polar body done clear
  C)
  Spermatid         done clear
  D)
  Spermatogonium done clear
  View Solution play_arrow

• question_answer42)
  Oogenesis is initiated during the embryonic development stage when a couple of million oogonia are formed within each fetal ovary; no more oogonia are formed and added after birth.
  A)
  True                  done clear
  B)
  False done clear
  C)
  Cannot say       done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer43)
  Primary oocyte surrounded by a layer of granulosa cells is called
  A)
  secondary follicle done clear
  B)
  ootid done clear
  C)
  primary follicle    done clear
  D)
  tertiary follicle done clear
  View Solution play_arrow

• question_answer44)
  At the time of birth, the oocyte is present in ...... stage of cell cycle.
  A)
  prophase-I       done clear
  B)
  prophase-II done clear
  C)
  meiosis-II                       done clear
  D)
  mitosis done clear
  View Solution play_arrow

• question_answer45)
  At which stage of the development, ovum is released from the ovary of the human female?
  A)
  Primary oocyte               done clear
  B)
  Oogonium done clear
  C)
  Secondary oocyte           done clear
  D)
  Ootid done clear
  View Solution play_arrow

• question_answer46)
  The new membrane formed by follicular cells in secondary oocyte is called
  A)
  zona granulosa               done clear
  B)
  zona pellucida done clear
  C)
  plasma membrane          done clear
  D)
  tertiary membrane done clear
  View Solution play_arrow

• question_answer47)
  The membranous cover of the ovum at ovulation is
  A)
  corona radiata                done clear
  B)
  zona radiata done clear
  C)
  zona pellucida      done clear
  D)
  chorion done clear
  View Solution play_arrow

• question_answer48)

  Identify the wrongly labelled part.

  A)
  Primary follicle               done clear
  B)
  Ovum done clear
  C)
  Graafian follicle              done clear
  D)
  Corpus luteum done clear
  View Solution play_arrow

• question_answer49)
  Match the following columns.

  	Column I		Column II
  A	Graafian follicle	1.	Mature tertiary follicle which ruptures during ovulation
  B	Secondary oocyte	2.	Haploid cell formed after 1st meiotic division
  C	Antrum	3.	The fluid-filled cavity which found in tertiary follicle
  D	Tertiary follicle	4.	Primary oocyte completes its 1st meiotic division inside it

  Codes
  A)
  A-1       B-2       C-3       D-4 done clear
  B)
  A-4       B-3       C-2       D-1 done clear
  C)
  A-3       B-1       C-4       D-2 done clear
  D)
  A-2       B-4       C-1       D-3 done clear
  View Solution play_arrow

• question_answer50)
  The reproductive cycle in the female primate monkeys, apes and human beings is called
  A)
  menstrual cycle               done clear
  B)
  menarche done clear
  C)
  menopause                    done clear
  D)
  ovulation done clear
  View Solution play_arrow

• question_answer51)
  The first menstruation that begins at puberty is called
  A)
  menopause        done clear
  B)
  ovulation done clear
  C)
  gametogenesis                done clear
  D)
  menarch done clear
  View Solution play_arrow

• question_answer52)
  In an ideal menstrual cycle, the menstrual phase last for 5 days.
  A)
  True                              done clear
  B)
  False done clear
  C)
  Cannot say done clear
  D)
  Partially true or false done clear
  View Solution play_arrow

• question_answer53)
  Menstruation indicates the
  A)
  confirmation of pregnancy done clear
  B)
  absence of pregnancy done clear
  C)
  suppression of pregnancy done clear
  D)
  maturity done clear
  View Solution play_arrow

• question_answer54)
  Menstruation is caused due to
  A)
  breakdown of the endometrium done clear
  B)
  rupture of the Graafian follicle done clear
  C)
  releasing of progesterone done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer55)
  Mature Graafian follicle is generally present in the ovary of a healthy human female around       (NCERT Exemplar)
  A)
  5-8 days of menstrual cycle done clear
  B)
  11-17 days of menstrual cycle done clear
  C)
  18-23 days of menstrual cycle done clear
  D)
  2A-28 days of menstrual cycle done clear
  View Solution play_arrow

• question_answer56)

  Which of the following events is related to the ovulation phase in human female?

  I. Decrease in oestradiol

  II. Full development of Graafian follicle

  III. Release of secondary oocyte

  IV. LH surge

  Codes
  A)
  I and II                          done clear
  B)
  I and III done clear
  C)
  I, II and III                     done clear
  D)
  II, III and IV done clear
  View Solution play_arrow

• question_answer57)

  The below diagram describes the changes that occur in the endometrium during a normal menstruation. Choose the option with correct description for points A, B, C and D).

  A)
  A-Ovulation, B-Menstruation done clear
  B)
  A-Ovulation, C-Menstruation done clear
  C)
  A-Menstruation, C-Ovulation done clear
  D)
  8-Ovulation, D-Menstruation done clear
  View Solution play_arrow

• question_answer58)
  Match the hormones in Column I with their functions in Column II.

  	Column I		Column II
  A	FSH	1	Develops female secondary sexual characters
  B	LH	2	Prepares endometrium wall for implantation
  C	Progesterone	3	Development of corpus luteum
  D	Oestrogen	4	Maturation of Graafian follicle

  Codes
  A)
  A-4       B-3       C-2       D-1 done clear
  B)
  A-1       B-3       C-2       D-4 done clear
  C)
  A-4       B-3       C-2       D-1 done clear
  D)
  A-3       B-1       C-2       D-4 done clear
  View Solution play_arrow

• question_answer59)
  During the ovulatory phase, the structure called corpus luteum is formed from
  A)
  ruptured Graafian follicle done clear
  B)
  epididymis done clear
  C)
  isogametes done clear
  D)
  endometrium done clear
  View Solution play_arrow

• question_answer60)
  Secretion from which of the following structures prepares the inner wall of the uterus for implantation?
  A)
  Ovary               done clear
  B)
  Pituitary gland done clear
  C)
  Corpus luteum done clear
  D)
  Ovarian follicle done clear
  View Solution play_arrow

• question_answer61)
  If after ovulation no pregnancy results, the corpus luteum
  A)
  is maintained by the presence of progesterone done clear
  B)
  degenerates in a short time done clear
  C)
  becomes active and secretes lot of FSH and LH done clear
  D)
  produces lot of oxytocin and relaxin done clear
  View Solution play_arrow

• question_answer62)
  The main function of mammalian corpus luteum is to produce
  A)
  oestrogen only done clear
  B)
  progesterone only done clear
  C)
  human chorionic gonadotropin done clear
  D)
  relaxin only done clear
  View Solution play_arrow

• question_answer63)
  Fertilisation in humaps is practically feasible only if
  A)
  the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix done clear
  B)
  the sperms are transported into cervix within 48 hrs of release of ovum in uterus done clear
  C)
  the sperms are transported into vagina just after the release of ovum in Fallopian tube done clear
  D)
  the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the Fallopian tube done clear
  View Solution play_arrow

• question_answer64)
  What happens during fertilisation in humans after many sperms reach close to the ovum?
  A)
  Secretions of acrosome helps only one sperm to enter cytoplasm of ovum through zona pellucida done clear
  B)
  All sperms except those nearest to the ovum lose their tails done clear
  C)
  Cells of corona radiata trap all the sperms except one done clear
  D)
  Only two sperms nearest to the ovum penetrate zona pellucida done clear
  View Solution play_arrow

• question_answer65)
  Acrosomal reaction of the sperm occurs due to             (NCERT Exemplar)
  A)
  its contact with zona pellucida of the ova done clear
  B)
  reactions within the uterine environment of the female done clear
  C)
  reactions within the epididymal environment of the male done clear
  D)
  androgens produced in the uterus done clear
  View Solution play_arrow

• question_answer66)
  Meiotic division of the secondary oocyte is completed
  A)
  time of copulation done clear
  B)
  after zygote formation done clear
  C)
  at the time of fusion of a sperm with an ovum done clear
  D)
  prior to ovulation done clear
  View Solution play_arrow

• question_answer67)

  Identify A and B in the figure.

  A)
  A-Blastocyst, B-Blastomere done clear
  B)
  A-Blastula, B-Gastrula done clear
  C)
  A-Morula, B-Blastocyst done clear
  D)
  A-Zona pellucida, B-lnner cell mass done clear
  View Solution play_arrow

• question_answer68)
  Embryo at 8-16 cells stage is called
  A)
  blastula            done clear
  B)
  morula done clear
  C)
  trophoblast                     done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer69)
  Morula is a developmental stage
  A)
  between the zygote and blastocyst done clear
  B)
  between the blastocyst and gastrula done clear
  C)
  after the implantation done clear
  D)
  between implantation and parturition done clear
  View Solution play_arrow

• question_answer70)
  Match the following columns.

  	Column I		Column II
  A	Trophoblast	1	Embedding of blastocyst in the endometrium
  B	Cleavage	2	Group of cells that would differentiate as embryo
  C	Inner cell mass	3	Outer layer of blastocyst attached to the endometrium
  D	Implantation	4	Mitotic division of zygote

  Codes
  A)
  A-2       B-1       C-3       D-4 done clear
  B)
  A-3       B-4       C-2       D-1 done clear
  C)
  A-3       B-1       C-2       D-4 done clear
  D)
  A-2       B-4       C-3       D-1 done clear
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• question_answer71)
  Inner mass of cell gives rise to
  A)
  foetal part                      done clear
  B)
  embryo done clear
  C)
  notochord                      done clear
  D)
  AII of these done clear
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• question_answer72)
  Chorionic villi and uterine tissue become interdigitated with each other and jointly form trophoblast.
  A)
  True                              done clear
  B)
  False done clear
  C)
  Cannot say        done clear
  D)
  Partially true or false done clear
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• question_answer73)
  Which one of the following is not the function of placenta? It
  A)
  facilitates supply of oxygen and nutrients to embryo done clear
  B)
  secretes oestrogen done clear
  C)
  facilitates removal of carbon dioxide and waste material from embryo done clear
  D)
  secretes oxytocin during parturition done clear
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• question_answer74)
  Placenta acts as an
  A)
  endocrine gland              done clear
  B)
  exocrine gland done clear
  C)
  apocrine gland                done clear
  D)
  merocrine gland done clear
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• question_answer75)

  In the given diagram, find out A, B and C.

  A)
  A-Plug of mucus in cervix, B-Placental villi, C-Umbilicalcord done clear
  B)
  A-Umbilical cord, B-Placental villi. C-Plug of mucus in cervix done clear
  C)
  A-Umbilical cord, B-Plug of mucus in cervix, C-Placental villi done clear
  D)
  A-Placental villi, B-Plug of mucus in cervix, C -Umbilical cord done clear
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• question_answer76)
  Hormones secreted by the placenta to maintain pregnancy are
  A)
  hCG, hPL progestogens, prolactin done clear
  B)
  hCG, progestogens, oestrogens, glucocorticoids done clear
  C)
  hCG, hPL. progestogens, oestrogens done clear
  D)
  hCG, hPL, oestrogens, relaxin, oxytocin done clear
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• question_answer77)
  ........... secretes the hormone relaxin.
  A)
  Placentia done clear
  B)
  Ovary done clear
  C)
  Anterior, lobe of pituitary done clear
  D)
  Posterior lobe of pituitary done clear
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• question_answer78)
  The three germ layers formed after the implantation of the embryo, from outside to inside are
  A)
  mesoderm, ectodemn, endoderm done clear
  B)
  ectoderm, mesoderm, endoderm done clear
  C)
  ectoderm, endoderm, mesoderm done clear
  D)
  mesoderm, endoderm, ectoderm done clear
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• question_answer79)
  In human beings, at the end of 12 weeks during first trimester of pregnancy the following is observed
  A)
  eyelids and eyelashes are formed done clear
  B)
  most of the major organ systems are formed done clear
  C)
  the head is covered with fine hair done clear
  D)
  movement of the foetus done clear
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• question_answer80)
  Appearance of hair on head is observed during .................. of development.
  A)
  2nd month         done clear
  B)
  3rd month done clear
  C)
  4th month         done clear
  D)
  5th month done clear
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• question_answer81)
  Body covered with fine hair, eyelid separates and eyelashes, are formed during of development.
  A)
  3rd month         done clear
  B)
  4th month done clear
  C)
  5th month                      done clear
  D)
  6th month done clear
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• question_answer82)
  The time period of development of embryo in uterus is called .....A..... and the process of delivery of foetus is called ...A.....
  A)
  A-gestation, B- parturition done clear
  B)
  A-parturition, B- gestation done clear
  C)
  A-lactation, B- implantation done clear
  D)
  A-fertilisation, B- incubation done clear
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• question_answer83)
  The signals for parturition originates from the fully develped foetus and followed by placenta causing the mild contractions called
  A)
  foetal ejection reflex done clear
  B)
  embryo ejection reflex done clear
  C)
  blastocoel ejaculation reflex done clear
  D)
  stillbirth done clear
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• question_answer84)
  The foetal-ejection reflex in humans triggers release of
  A)
  oxytocin from maternal pituitary done clear
  B)
  oxytocin from foetal pituitary done clear
  C)
  human Chorionic Gonadotropin (hCG) from placenta done clear
  D)
  human Placentai Lactogen (hPL)from placenta done clear
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• question_answer85)
  Lactation begins
  A)
  towards the end of pregnancy done clear
  B)
  towards the beginning pregnancy done clear
  C)
  towards the beginning of puberty done clear
  D)
  throughout the life cycle done clear
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• question_answer86)
  First milk produced after childbirth is called
  A)
  sebum               done clear
  B)
  cercumen done clear
  C)
  true milk           done clear
  D)
  cotostrum done clear
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• question_answer87)
  Colostrum is important for newly born because
  A)
  it contains essential antigen done clear
  B)
  it contains essential antibodies done clear
  C)
  Both [a] and [b] done clear
  D)
  it has more nutrients than ordinary milk done clear
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