Corporate Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph.

011-47623456

Poll
ZOOLOGY (Z-23)
Syllabus: Human Reproduction [Upto Gametogenesis]

Choose the Correct Option. 6. Match column-I with column-II and select the
correct option.
1. Once the sperms get produced, they are released
from seminiferous tubules into a male sex Column-I Column-II
accessory duct first which is named (a) Labia minora (i) Thin paired folds of
(1) Vasa efferentia (2) Rete testis tissue
(3) Epididymis (4) Vasa deferentia (b) Clitoris (ii) Tiny finger-like structure
2. is an inverted pear shaped structure (c) Hymen (iii) Cushion of fatty tissue
which is attached to the wall of pelvis by .
(d) Mons pubis (iv) Can be torn during first
Select the option which correctly fills up A and B.
coitus
A B (1) (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
(1) Uterus Muscles (2) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(2) Womb Tendons (3) (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
(3) Uterus Tendons (4) (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
(4) Womb Ligaments 7. The semen is composed of sperms and the
secretions of various male accessory glands.
3. Choose the odd one w.r.t the ploidy of the given
Choose the unpaired male accessory gland from
structures.
the given options.
(1) Spermatids (1) Seminal vesicle (2) Prostate gland
(2) Spermatogonia (3) Bulbourethral gland (4) Penis
(3) Spermatozoa 8. Study the given flowchart.
(4) Secondary spermatocytes
4. A female foetus has ‘x’ number of oogonia in each
ovary. This female on reaching puberty will have
‘y’ number of primary follicles in each ovary.
Select the option which correctly gives the relation
between x and y.
(1) x = y (2) x > y Select the option which correctly answers A and
B.
(3) x < y (4) x  y
A B
5. During AI, an instrument is used to introduce
semen into the female. This instrument does the (1) LH Sertoli cells
function of which of the following male structures? (2) FSH Follicular cells
(1) Penis (2) Testis (3) FSH Sertoli cells
(3) Bulbourethral gland (4) Ejaculatory duct (4) Testosterone Testis
9. Spermatogenesis is the process of formation of
male gametes. This process is temperature
[Page 1]
Poll-23 Zoology
controlled. Spermatogenesis does not occur if the (a) Insemination
temperature is not regulated. (b) Gestation
This required thermoregulation is maintained by
(c) Fertilization
(1) Testes (d) Parturition
(2) Penis
(e) Implantation
(3) Scrotum (1) (a), (b), (d), (c), (e)
(4) Abdominal cavity
(2) (a), (c), (e), (b), (d)
10. Oogenesis is a multi-step process in which ova
(3) (b), (d), (c), (a), (e)
are formed.
(4) (a), (c), (e), (d), (b)
One of the steps of oogenesis is the first meiotic
division. 14. Read the following statements carefully.
Select the option from the following which A: Urethra in human males acts as a urinogenital
correctly describes the first meiotic division during passage.
oogenesis. B: Urethra in human females acts as a passage
(1) Reductional, unequal for urine as well as menstrual blood.
(2) Reductional, equal C: Vagina is a common passage for urine and
copulation in human females.
(3) Ploidy increases and cytoplasm gets reduced
Select the option which correctly states whether A,
(4) Ploidy stays the same, cytoplasm is halved
B and C are true (T) or false (F).
11. Ashish decides to get his sperm count checked as A B C
he is facing problems getting his wife
impregnated. His sperm count is found to be about (1) T T T
300 million sperms per ejaculation. (2) T F T
Given below is the detailed description of the (3) T F F
sperms in his ejaculate.
(4) T T F
Select the option which would be apt to provide
Ashish with normal fertility. 15. Correctly match column-I and column-II w.r.t
layers of the uterine wall and select the correct
(1) At least 120,000,000 show normal shape and option.
size and at least 200,000,000 show vigorous
motility Column-I Column-II
(2) At least 160,000,000 show normal shape and (a) Thin membranous (i) Endometrium
size and at least 100,000,000 show vigorous (b) Glandular (ii) Perimetrium
motility
(c) Thick layer of (iii) Myometrium
(3) At least 50,000,000 show normal shape and
size and at least 120,000,000 show vigorous involuntary muscles
motility (1) (a)-(ii), (b)-(iii), (c)-(i)
(4) At least 180 million sperms show normal (2) (a)-(ii), (b)-(i), (c)-(iii)
shape and size and at least 72 million of them
(3) (a)-(i), (b)-(iii), (c)-(ii)
must show vigorous motility
(4) (a)-(i), (b)-(ii), (c)-(iii)
12. The ‘A’ of lungs help in gaseous exchange and the
‘B’ of mammary glands secrete milk. 16. Assertion (A): In the olden times, it was a
common occurrence for men in their seventies to
Select the option that gives the correct relationship
marry young teenager girls and still be able to
between A and B.
produce children, but, if a woman in her seventies
(1) A and B are two different terms marries a teenager boy, producing children
(2) A and B are the same term naturally is almost impossible.

(3) A and B are both endocrine in function Reason (R): Ovum formation in women continues
even in old age.
(4) A and B are both unicellular glands
In light of above statements, choose the correct
13. Arrange the following events in the correct order answer from the options given below.
as they take place during human reproduction.
[Page 2]
Poll-23 Zoology
(1) Both (A) and (R) are true and reason is the (1) Isthmus (2) Ampulla
correct explanation of assertion (3) Fimbriae (4) Cervix
(2) Both (A) and (R) are true and reason is not the
19. The pigmented portion around the nipple is known
correct explanation of assertion
as the
(3) (A) is false but (R) is true (1) Areola (2) Alveoli
(4) (A) is true but (R) is false
(3) Ampulla (4) Lactiferous duct
17. Ejaculatory duct carries 20. Select the incorrect statement from the following
(1) Seminal fluid + sperms options.
(2) Semen (1) All mammals posses mammary glands.
(3) Only sperms (2) Mammary glands are the distinguishing
(4) Sperms + prostatic fluid + Seminal fluid characteristic of mammals.
(3) All mammals posses functional mammary
18. The mature follicle ruptures and ovum is released.
glands.
This ovum is collected by which part of the
fallopian tube? (4) Milk is sucked out through lactiferous duct.


[Page 3]
Poll-23 Zoology

Corporate Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph.011-47623456

Poll
ZOOLOGY (Z-23)
ANSWER KEY

1. (2) 5. (1) 9. (3) 13. (2) 17. (1)

2. (4) 6. (1) 10. (1) 14. (3) 18. (3)
3. (2) 7. (2) 11. (4) 15. (2) 19. (1)
4. (2) 8. (1) 12. (2) 16. (4) 20. (3)

[Page 4]
Poll-23 Zoology

Corporate Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph.011-47623456

Poll
ZOOLOGY (Z-23)
SOLUTIONS & ANSWER

1. Answer (2) 11. Answer (4)

NCERT Reference: Zoology-XII Page No.-43 NCERT Reference: Zoology- XII Page No.-48
2. Answer (4) 12. Answer (2)
NCERT Reference: Zoology- XII Page No.-46 NCERT Reference: Zoology- XII Page No.-47
3. Answer (2) 13. Answer (2)
NCERT Reference: Zoology- XII Page No.-49 NCERT Reference: Zoology- XII Page No.-42
4. Answer (2) 14. Answer (3)
NCERT Reference: Zoology- XII Page No.-48 NCERT Reference: Zoology- XII Page No.-43
5. Answer (1) 15. Answer (2)
NCERT Reference: Zoology- XII Page No.-44 NCERT Reference: Zoology- XII Page No.-46
6. Answer (1) 16. Answer (4)
NCERT Reference: Zoology- XII Page No.-46 NCERT Reference: Zoology- XII Page No.-42
7. Answer (2) 17. Answer (1)
NCERT Reference: Zoology- XII Page No.- 44 NCERT Reference: Zoology- XII Page No.-43
8. Answer (1) 18. Answer (3)
NCERT Reference: Zoology- XII Page No.-47 NCERT Reference: Zoology- XII Page No.-45
9. Answer (3) 19. Answer (1)
NCERT Reference: Zoology- XII Page No.-43 NCERT Reference: Zoology- XII Page No.-46
10. Answer (1) 20. Answer (3)
NCERT Reference: Zoology- XII Page No.-48 NCERT Reference: Zoology- XII Page No.-47

[Page 5]