Saturday, July 18, 2015

REPRODUCTIVE SYSTEM ASSIGNMENT

                         REPRODUCTIVE SYSTEM                      
 
1.      Spermiogenesis refers
          1) Transformation of spermatozoa into spermatogonia
          2) Release of sperms from the seminiferous tubule
          3) Transformation of spermatids into spermatogonia  
          4) Transformation of spermatids into spermatozoa
2.      During the fifth week of development in the embryonic testes, primordial germ cells differentiate into
          1) Primary spermatocytes    2) Spermatozoa    3) Secondary spermatocytes   4) Spermatogonia
3.      Testis is connected with the bottom of the scrotum by
          1) Infundibulum          2) Ingluvial canal            3) Spermatic cord          4) Gubernaculum
4.      The mucosa of the ductus deferens consists of
          1) Transitional epithelium and lamina propria
          2) Pseudostratified cuboidal epithelium and lamina propria
          3) Simple columnar epithelium and transitional epithelium
          4) Pseudostratified columnar epithelium and lamina propria
5.      During spermatogenesis, meiosis – II results in the formation of
           1) Primary spermatocytes                               2) Spermatids                    
           3) Secondary spermatocytes                          4) Spermatogonia
6.        In males, glans penis is formed by
           1) Membranous urethra                                  2) Corpora cavernosa
           3) Corpus spongiosum                                    4) Both 2 and 3
7.        Study the following statements
           1) Spermatic cord contains vas deferens  II) Testis is enclosed in tunica albuginea
           III) Secretions of prostate gland help in activation and nourishment of sperms
           IV) Ejaculatory ducts lead into prostatic urethra .
           Which of the above are true
           1) Only I and III         2) Only III and IV        3) Only I, III, and IV          4) I,II,III, IV
8.        Rete testis and epididymis  are interconnected by
           1) Vasa efferentia     2) Vasa deferentia       3) Vasa vasorium              4) Ejaculatory duct
9.        Choose the incorrect statement with respect to male reproductive system
           1) Cowper’s  glands are present beneath the prostate gland
           2) Epididymis  is present on anterior surface of testis
           3) Urethra passes through corpus spongiosum
           4) Urethra originates from the urinary bladder
10.      Cryptorchidism  is the condition in which
           1) Accessory glands do not develop                       2) Formation of testes does  not take place
           3) Formation of seminal plasma does not take place   4) Testes do not descend into the scrotum
11.      Assertion (A) : - The testes are suspended outside the abdominal cavity within a scrotum
           Reason  ( R ) : - The scrotum helps in maintaining the low temperature of the testes necessary for spermatogenesis
           1)  A and R are true and R is the correct explanation of A.
           2)  A and R are true and R is not the correct explanation of A.
           3)  A is true, R is false                                                                                  4)  A is false, R is true
12.      During embryonic development primordial germ cells arise from
           1) Embryonic endoderm                                 2) Yolk sac
           3) Ectoderm                                                      4) Amnion
13.      Hormone that controls the development of secondary sexual characters in males is secreted by
           1) Sertoli cells                                                  2) Spermatogonial mother cells
           3) Leydig cells                                                  4) Spermatids
14.      Spermatozoa are received via the vasa efferentia of the mediastinum testis by
           1) Caput epididymis 2) Rete testis                3) Vas deferens                 4) Corpus epididymis
15.      The two ejaculatory ducts, carrying spermatozoa and the fluid secreted by the seminal vesicles, converge in the centre of
           1) Bulbourethral glands                                  2) Urinary bladder
           3) Prostate gland                                              4) Seminal vesicle
16.      Which one of the following are believed to aid fertilization by aiding the movement of the sperm towards the ovum with peristaltic contractions of the uterus and fallopian tubes ?
           1) Hyaluronidase      2) Fructose                   3) Acrosin                          4) A type of eicosanoids
17.      In male , the fluid that is thought to function as a “ flushing agent” in the urethra, before the ejaculation of semen, secreted by
           1) Bartholin’s glands                                                                                    2) Bulbourethral  glands
           3) Prostate gland                                              4) Skene’s glands
18.      The accessory genital glands which secrete 60 percent of the volume of seminal fluid are
           1) Simple tubular glands                                 2) Compound tubular glands
           3) Simple acinar glands                                   4) Compound alveolar glands
19.      Find  out the set of cells that show haploid condition
           1) Spermatids and spermatogonia                 2) Spermatozoa and primary spermatocytes
           3) Primary spermatocytes and  secondary spermatocytes
           4) Spermatids and  Spermatozoa
20.      Protein hormone which inhibits the secretion of FSH is secreted by
           1) Spermatogonial stem cells                         2) Prostate gland cells     
          3) Sertoli cells                                                         4) Leydig cells
21.     The second meiotic division of the secondary oocyte is induced by   
          1) Entry of sperms into vagina                            
          2) Entry of sperm into cytoplasm of secondary oocyte
          3) After the fusion of sperm nucleus with the nucleus of secondary oocyte
          4) With the entry of secondary oocyte into ampullary isthmic zone
22.     During gestation the first movements of the foetus and appearance of hair on the head are usually observed during
          1) 2nd month                   2) 3rd month                   3) 4th month                    4) 5th month
23.     Which one of the following IUDs makes the uterus unsuitable for implantation and the cervix hostile to the sperms?
          1) Progestasert               2) Multiload 375           3) Lippes loop            4) Copper releasing IUD
24.     What would happen if the vas deferens is tied up through a small incision on the scrotum?     
          1) Secretion of semen is failed                             2) Sperms become immotile
          3) Developing sperms are not nourished            4) Semen is without sperms
25.     The first stage with haploid set of chromosomes can be seen in the following during spermatogenesis          
          1) Primary spermatocyte                                       2) Spermatid
          3) Secondary spermatocyte                                  4) Spermatozoa
26.     ‘Spermiation’ is the process of                         
          1) Liberation of sperms from ‘sertoli cells’ and released from seminiferous rubules
          2) Liberation of sperms from secondary spermatocyte
          3) Release of sperms through penis                     4) Injection of sperms into vagina
27.     The part of decidua that separates the embryo from the uterine lumen is
          1) Decidua Capsularis                                           2) Decidua Basalis
          3) Decidua Parietalis                                              4) Vitellarium
28.  Function of slightly acidic component of semen is
       1. Peristaltic contraction of uterus                  2. Lubrication of urethra
       3. Activation of sperms                                                                           4. Lubrication of vagina
29.  Uterus is connected to abdominal wall by a peritoneal fold called
       1. Perimetrium              2. Mesosalpinx           3. Endometrium          4. Mesometrium
30.  Arrange the following events in correct sequence
       A. Implantation             B. Delamination         C. Disappearance of corona radiata
       D. Conception               E. Capacitation           F. Ingression               G. Compaction
       1. D,E,G,C,A,B,F           2. E,D,C,G,A,B,F        3. E,C,D,G,B,A,F        4. D,C,E,A,B,G,F
31.  Degeneration of corpus luteum causes
       1. Disintegrates endometrium                          2. Promotes progesterone secretion        
       3. Promotes implantation                                    4. Stops ovulation
32.  Non-bacterial disease of the following is
       1. Gonorrhea                 2. Syphilis                   3. Chlamidiasis           4. Genital herpes
33.  Vasectomy prevents
       1. Ejaculation                2. Ovulation                3. Conception             4. Spermiation
34. In ovary secondary follicle contains
       1. Diploid primary oocyte without polar body
       2. Haploid primary oocyte without polar body
       3. Diploid secondary oocyte without polar body
          4. Diploid primary oocyte with first polar body
35.      Match the following and choose the correct combination
           List – I                        List – II
           A. Mesosalpinx         1. Attaches fallopian tube to body wall
           B. Mesometrium      2. Attaches ovary to dorsal body wall
           C. Mesovarium         3. Attaches uterus to dorsal body wall
           D. Endometrium       4. Epithelium of oviduct
                                                5. Uterine Lining
           The correct match is
           1) A-1, B-3, C-2, D-5                                       2) A-4, B-1, C-2, D-3
           3) A-5, B-1, C-2, D-3                                       4) A-1, B-5, C-2, D-3
36.      Study the following statements and choose the correct answer.
           I. During spermatogenesis, four spermatids are formed from each secondary spermatocyte
           II. During oogenesis, four ova are formed from each primary oocyte
           III. The second maturation division occurs in secondary oocytes only after the entry of sperm
           IV. Tunica vaginalis lines the vagina
           1) 1 and II                   2) I and III                     3) III and IV                        4) III
37.      At the time of Ovulation the graafian follicle releases
           1) A secondary oocyte with diploid nucleus     2) A primary oocyte with haploid nucleus
           3) A secondary oocyte with haploid nucleus    4)  A ovum with diploid nucleus
38.      Corona radiata disappears
           1) After ovulation     2) Before Fertilization                                             3) After fertilization 4) After cleavages
39.      Endometrium present between embryo and lumen of the uterus is called
           1) Decidua capsularis                                      2) Decidua basalis
           3) Myometrium                                                4) Decidua parietalis
40.      The three primary germ layers are formed from
           1) Trophoblast           2) Cells of Rauber       3) Hypoblast                      4) Epiblast
41.      The first event during the process of gastrulation
           1) Formation of notochord                             2) Formation of primitive streak           
           3) Formation of Hensen’s node                     4) Ingression
42.      Match the following and choose the correct answer
           List – I                        List – II
           A. Myotome              1. Vertebrae
           B. Dermatome          2. Excretory organs
           C. Sclerotome           3. Skeletal muscles
           D. Mesomere             4. Connective tissue
           The correct match is
           1) A-3, B-4, C-2, D-1                                       2) A-3, B-4, C-1, D-2
           3) A-4, B-3, C-1, D-2                                       4) A-3, B-2, C-4, D-1
43.      Assertion (A): Placenta of human is described as discoidal placenta.
           Reason (R): In human, the chorionic villi are restricted to the dorsal surface of blastodisc.
         1)  A and R are true and R is the correct explanation of A.
         2)  A and R are true and R is not the correct explanation of A.
         3)  A is true, R is false.                                               4)  A is false, R is true.
44.      The connective tissue among seminiferous tubules contains
           1) Leydig cells           2) Sertoli cells             3) Spermatids                     4) Spermatogonia
45.      The function of epididymis
           1) Spermatogenesis and spermiogenesis     
           2) Temporary storage and nourishing of the sperms
           3) Nourishing of the spermatogonia only    4) Activation of the spermatogonia
46.      The contraction of smooth muscles of female reproductive tract is stimulated by
           1) Fructose                                                        2) Citric acid                     
            3) Cowper’s glands secretions                   4) Prostaglandins
47.      Second polar body is formed by
           1) Meiosis I in primary oocyte                       2) Meiosis II in primary oocyte
           3) Meiosis I in first polar body                      4) Meiosis II in secondary oocyte
48.      Study the following statements
           I) Cyclic changes in the ovarian follicles are called menstrual cycle
           II) Epididymis is connected to testis by gubernaculum
           III) Foetal movements can be observed during fifth month of gestation
           Which of the above are correct ?
           1) Only III                   2) Only II and III          3) Only I and III                 4) I, II, III
49.      Assertion (A): If the fertilisation takes place, the ovulation is prevented in female.
           Reason (R): Corpus luteum secretes progesterone throughout the gestation period.
         1)  A and R are true and R is the correct explanation of A.
         2)  A and R are true and R is not the correct explanation of A.
            3)  A is true, R is false.                    4)  A is false, R is true
50.    A normal woman who is the daughter of a colour blind man, married a colour blind man and their sons are
          1) All are colour blind                                            2) All are normal
          3) 75 % are colour blind and 25% are normal    4) 50 % are colour blind and 50% are normal
51.    Study the following statements and find out the correct statement
          I. Occurrence of ovulation during intense lactation by the mother is called lactational amenorrhea
          II. IUDs prevent phagocytosis of sperms by WBC with in the uterus
          III. Amniocentesis is a diagnostic procedure to detect genetic defects in the foetuses
          IV. Medical termination of pregnancy aim is to keep full term of gestation
          1) I                                     2) IV                                3) III                               4)II
52.    Assertion (A) : In human being placenta is discoidal type
          Reason( R) : Chorionic villi are restricted to ventral surface of the blastodisc
          1) Both A and R are true and R is the correct explanation of A
          2) Both A and R are true and R is not the correct explanation of A
          3) A is true and R is false                               4) A is false and R is true
53.    Select incorrect statement about human placenta
          1) discoidal type                                              2) Foetal RBCs directly enters in to Maternal blood
          3) allantois also fuse with the chorion in the process of vascularisation
          4) deciduate type
54.    Read the following :
          Assertion (A) : During fertilization in humans only one sperm enters the ovum
          (secondary oocyte).
          Reason (R) : The entry of sperm into the secondary oocyte induces the completion of meiosis – II  and results in the formation of a second polar body and an ovum (ootid).
         1)  A and R are true and R is the correct explanation of A.          
          2) A and R are true and R is not the correct explanation of A.
          3) A is true, R is false                                      4)  A is false, R is true

















SR.MPL                                 ASSIGNMENT_KEY SHEET                                       Date: 27.12.14
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SR.MPL                                 ASSIGNMENT_KEY SHEET                                       Date: 27.12.14
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