REPRODUCTION IN HUMAN

  

1-       Sperm cells are produced for

a) Reproduction of body cell      

b) Reproduction of  X cells 

c) Fertilization of a cell    

d) Fertilization of an egg cell      

e) Fertilization of zygote

 

2 Ц Formation of eggs in the ovaries  is called

a)Spermatogenesis       b) Gametogenesis         c) Parthenogenesis            d) Oogenesis              e) Conjugation

 

3-How many chromosomes are there in the cells of human ?

a)  46           b) 52          c) 23           d) 30             e) 20

 

4-How many sperm cells are formed from 250 primary spermatocytes?

a) 250            b) 500            c) 750           d) 1000          e) 125

 

5-How many egg cells are formed from 250 primary oocytes ?

a) 250            b) 500            c) 750           d) 1000          e) 125

 

6-Which is the correct sequence of events leading to the formation of mature sperm?

a)primary spermatocytes о secondary spermatocytes о spermatids о spermatagonia о sperm

b)spermatids о spermatagonia о  primary spermatocytes о secondary spermatocytes о sperm

c)spermatagonia о spermatids о secondary spermatocytes о primary spermatocytes оsperm

d)spermatagonia о primary spermatocytes о secondary spermatocytes о spermatids о sperm

e)none of the above

 

7-The lysozymes necessary for penetration of the egg are contained within the

a)acrosome       b) midpiece    c) tail     d) a and b     e) b and c

 

8-The coiled tube in which mature sperm are stored is known

as the

a)Vasa efferentia               b)Epididymis              c) Vas deference                                                       d) Scrotum                  e) Sertoli cells

 

9- In mammals, fertilization of  the egg occurs in the

a)Ovary      b)Fallopian tube     c)Uterus     d)Cervix      e) Follicle

 

10- In their passage through the male reproduction system, sperm pass through the structures identified by numbers below.What is the correct sequence ?

I- Seminiferous tubules      II- Epididymis

III- Vasdeferens                IV- Urethra

a) I-II-III-IV           b) IV-III-II-I            c) II-I-III-IV

d) III-II-IV-I            e) II-III-I-IV

 

11-When does the endoderm first appear, and what will it give rise to in the fully developed human ?

a)Blastula,lining of gut and accessory organs of gut(digestive tract)

b)Cleavage,muscles and connective tissue

c)Gastrulation ,tooth and neural tissue

d)Gastrulation,lining of gut and accessory organs of gut

(digestive tract)

 

 

12-Examine the list of following structures

I-Shell     II-Chorion     III-Amnion    IV-Vitellus   V-Allantois

Which of the above contains food for the developing of  embryo

        a) I               b) II          c) III         d) IV          e) V

 

13-Which of the following pairs of hormones are involved in the formation of secondary sex characteristics in human ?

a) Esterogen-Testosteron                    b)Progesteron-Estrogen

c)Progesteron-Testosteron     d) Estrogen-FSH     e) FSH-LH

 

14- In which of the followings is seen internal development?

a) Human      b) Fish       c) Frog        d) Chicken     e) Spider

 

15- Which of the following is not part of the reproduction system in male mammals ?

A) Vas deferens       B) Urethra        C) Semniferous tubules

D) Fallopian tubes           E) Epididymis

 

16- Which of the following is next event after the rupture of the follicle in the menstrual cycle ?

A)      Thickening of the endometrial lining

B)      Ovulation

C)      Decrease of the progesterone concentration in the blood

D)      Increase of estrogen concentration

E)      Formation of the placenta

 

17- Choose the wrong  matching between the genital organs and their functions.

A)     Ovary --- Where the egg cell is prodused.

B)      Follopian tube --- Where the egg cell is fertilized.

C)      Uterus --- Where the fertilized egg develops.

D)      Testes --- Where the sperm cells are prodused.

E)       Epididimis --- Where the egg cells get matured.

 

18- In which of the following options is the path taken by the sperm written in order?

A)     Testes --- epididimis Ц vas-- deferans Ц urethra

B)      Testes --- vas degerans Ц epididimis Ц urethra

C)      Testes --- urethra Ц vas deferans Ц epididimis

D)      Testes --- urethra Ц epididimis Ц vas deferans

E)       Testes --- epididimis Ц urethra Ц vas deferans

 

19-The release of an egg from a follicle is called

a)fertilization   b)cleavage   c)metamorphosis  d)osmosis    e)ovulation

 

20- I-ovulation     II-follicle stage  III-menstruation    IV-corpus luteum

The correct sequence of stages in the menstrual cycle  

a)I-II-III-IV    b) II-I-IV-III    c) I-II-IV-III   d)III-I-II-IV    e) II-I-III-IV

 

 

 


 

 

 

 

21- Fertilization normally occurs in      

A-      1                                                           

B-      2                                                        

C-      3                                                   

D-      6                                                        

E-       7

                                                     

22- Implantation normally occurs in               

A-      1                                          

B-      4                                                    

C-      5                                                     

D-      6                                                      

E-       7  

                                                        

23- Gametes are produced in                           

A-      1                                                              

B-      2                                                                

C-      3                                       

D-      4                                                       

E-       5

                                                          

 24- Synthesis of sex hormones occurs in       

A-      3                                                            

B-      4                                                        

C-      5                                                             

D-      6                                                          

E-       7                       

 

25- The diaphragm, a birth control device, covers

A-      1                                                        

B-      2                                                                

C-      5                                                                         

D-      6

E-       7

 

 

26- Sperm stored in the epididymis flow into what immediate structure during copulation?

       A- Ureter                   

       B- Urethra

       C- Seminal vesicle

       D- Vas deferens

       E- Prostate

 

27-Which of the following structures secrete substances responsible for the development of secondary sex characteristics in a mammalia male?

(A)      Penis  

(B)       Sperm ductus 

(C)       Prostate gland  

(D)       Testes 

(E) Ureteres

 

28-Fertilization of the egg occurs in the

A)     ovary

B)      cervix (birth canal)

C)      uterus

D)      oviduct (fallopian tube)

 

29-The corpus luteum

A)     produces hormones that promote development of the endometrium (uterus wall)

B)      is the site of follicle development

C)      controls the development of the embryo

D)      produces hormones that lead to ovulation

E)       is a permanent endocrine gland

 

30-In their passage through the male reproduction system, sperm pass through the structures identified by numbers below. What is the correct sequence?

I seminiferous tubules

II epididymis

III vas deferens

IV urethra

A)     IV-III-II-I

B)      II-I-III-IV

C)      I-II-III-IV

D)      III-II-IV-I

 

31-In their passage through the male reproduction system, sperm pass through the structures identified by numbers below. What is the correct sequence?

1.        seminiferous tubules

2.        epididymis

3.        vas deferens

4.        urethra

A)     1-2-3-4

B)      4-3-2-1

C)      2-1-3-4

D)      3-2-4-1

 

32-  Semen is composed of sperm plus secretions of

A)     the prostate gland

B)      the seminal vesicls

C)      the balbouretral glands

D)      all of the above

 

33-Following ovulation, if it is not fertilized, an oocyte passes through the following numbered structures. Choose the correct order of passage from the choices given.

1.        uterus

2.        vagina

3.        oviduct

4.        cervix

5.        ovary

A)     1-2-3-4-5

B)      5-4-3-2-1

C)      3-2-4-1-5

D)      3-4-5-1-2

E)       5-3-1-4-2

 

34-Which of the following is a diploid cell?

A)     human sperm

B)      human ovum

C)      plant polen

D)      mouse muscle cell

E)       all of the above

 

35-If the nuclei of two haploid cells were to join, the result would be

A)     a haploid embryo

B)      two haploid daughter cells

C)      a diploid cell

D)      two diplod cells

 

36-The process of fertilizing an egg outside of the body and implanting the embryo in the uterus of the mother is called

a.surrogate mother  b.cloning  c.in vitro fertilization  d.genetic engineering

 

37- Fertilization of the egg occurs in the 

  1. ovary
  2. cervix (birth canal)
  3. uterus
  4. oviduct (fallopian tube)

 

38- The  corpus luteum

  1. produces hormones that promote development of the endometrium
  2. is the site of follicle development
  3. controls the development of the embruo
  4. produces hormones that lead to ovulation
  5. is a pernament endocrine gland

 

 

39- In their passage through the mail reproduction system, sperm pass throughthe structures identified by numbers below. What is the correct sequence?

  1. seminiferous tubules
  2. epidymis
  3. vas deferens
  4. urethra

 

40- Which is found in the structure of sperm cell?

a)nucleus b)cell membrane  c)acrosome

d)mitochondria e)all of the above

 

41-The seminal vesicles

a. produce sperm cells

b. produce a fluid that is released prior to ejaculation of the male

c. store sperm cells

d. produce a fluid containing fructose and prostaglandins

e. produce a fluid that neutralizes urine acidity

 

42- Which is not a feature of oogenesis?

a. it results in the production of ova

b. meiosis is completed before the sperm cell fuses with the egg

c. the cell divisions during meiosis are unequal

d. the end product is a IN cell

e. the process begins in the ovary and is completed in the oviduct

 

43- Fertilization of the egg occurs in the

a.        ovary

b.       oviduct

c.        uterus

d.       cervix

e.        Vagina

 

Хостинг от uCoz