12th class (Fsc) Biology unit 4 MCQs
51. The first convoluted part of vas deferens is called:
a. Scrotum
b. Epididymis
c. Sperm
d. Penis
52. Menstrual cycle is called:
a. Malnourishment effect of cycle
b. Menopause
c. Menstruation
d. Emotinal stress
53. The release of ovum from the ovary is called:
a. Follicle atresia
b. Ovulation
c. Menace
d. Menstruation
54. Decrease of FSH and increase of estrogen causes the pituitary gland to secrete:
a. TSH
b. LH
c. ACTH
d. LTH
55. In human being, most of the major organs of embryo are formed with in the:
a. Twelve weeks
b. Ten weeks
c. Fourteen weeks
d. Six weeks
56. In human how many ova are usually discharged from the ovary at one time?
a. 6
b. 1
c. 3
d. 2
57. Oestus cycle, a reproductive cycle is found in all females except:
a. Human being
b. Cat
c. Lion
d. Cow
58. The inner soft wall of the human uterus is called:
a. Endometrium
b. Ectometrium
c. Myometrium
d. Exome trium
59. Discharge of egg from the ovary is called:
a. Gametogenesis
b. Oogenesis
c. Spermatogenesis
d. Ovulation
60. The hormone which controls the development of male secondary sexual characteristics during puberty is:
a. Oestrogen
b. Insulin
c. Progesterone
d. Testosterone
61. Find secreted by Sertoli cells provides liquid medium, protection and nourishment to:
a. Polar body
b. Oocyte
c. Spermatids
d. Sperms
62. Discharge of egg from ovary is called:
a. Gametogenesis
b. Ovulation
c. Menstrual cycle
d. Oogenesis
63. During delivery in human, the average loss of blood is:
a. 350cm3
b. 150cm3
c. 450cm3
d. 250cm3
64. The hormones that induces Labour pain:
a. LH
b. Lactogen
c. Oxytocin
d. LTH
65. Which hormone induces Labour pain?
a. Progesterone
b. Estrogen
c. LTH
d. Oxytocin
66. Towards the end of pregnancy, the reduction in progesterone level, stimulates pituitary gland to produce:
a. Androgen
b. Oxytocin
c. Pro lactin
d. Oestrogen
67. From beginning of the third month of pregnancy the human embryo is referred to as the:
a. Neonate
b. Foetus
c. Young one
d. Placenta
68. Labour pains are induced by a hormone:
a. Corticosteroid
b. ACTH
c. Oxytocin
d. Progesterone
69. Average loss of blood during birth in human female is about:
a. 350 cm3
b. 150cm3
c. 450 cm3
d. 250 cm3
70. Human embryo remains enclosed in a sac called:
a. Amniotic sac
b. Placenta
c. Egg shell
d. Chorionic sac
71. In human female the total gestation period is usually about ………:
a. Months
b. 280 days
c. 360 days
d. 280 weeks
72. The human embryo is referred to as the fetus, from beginning of:
a. 6 month
b. 3rd month
c. 6th week
d. 3rd week
73. Syphilis is caused by a spirochete named as:
a. Escherichia coil
b. Nisseria gonorrhea
c. hypomicrobium
d. Treponema pallidum
74. Causative agent of genital herpes is a:
a. Fungi
b. Virus
c. Protozoan
d. Bacteria
75. Gonorrhea is caused by:
a. HIV
b. Treponema pallidum
c. HCV
d. Neisseria gonorrhea
Click here to go directly on chapter no.5