RRB Staff Nurse test series 2024
RRB Staff Nurse test series 2024
1 . Fertilization mean’s a. Fusion of gametes and the spermatozoa
b. Fusion of sperm and spermatozoa
c. Fusion of spermatozoa with mature ovum
d. None of the above
2 . Delayed puberty is:
a. The absence of testicular development by the age of 14 years in males
b. The absence of breast development by the age of 13 years in females
c. Primary amenorrhea with normal breast development by the age of 15 in females
d. All of the above
3 . Fertilization of two or more ova from at a time same cycle by sperm from separate acts of sexual intercourse is known as:
a. Superfetation
b. Superfecundation
c. Dizygotic pregnancy
d. Monozygotic pregnancy
4 . following which part of the uterine tube does the fertilization process occur?
a. Isthmus
b. Ampulla
c. Infundibulum
d. Intramural part
5 . A child’s heredity is gets at the time of: (RRB Feb 2012)
a. Viability
b. Delivery
c. Conception
d. Infancy
6 . Neural tube develops from:
a. Ectoderm
b. Endoderm
c. Mesoderm
d. All of these
7 . Closure of neural tube begins at:
a. Cervical
b. Cephalic
c. Podalic
d. Lumbar
Explanation: The closure process of neural tube begins in the cervical area
(in the middle of the embryo) and extends from there in both the cranial and caudal directions.
8 . The heart is developed from:
a. Paraxial mesoderm
b. Intermediate mesoderm
c. Splanchnopleuric intraembryonic mesoderm
d. Semitauonic intraembryonic mesoderm
9 . Rectum develops from:
a. Cloaca
b. Hindgut
c. Allantois remnants
d. Urogenital sinus
10 . Small intestine develops from:
a. Foregut
b. Midgut
c. Hindgut
d. Endodermal cloaca
11 . Coronary sinus develops from:
a. Truncus arteriosus
b. Conus
c. Sinus venosus
d. AV canal
12. Fetus develops its own blood supply from ………….week.
a. 10th to 12th week
b. 12th to 14th week
c. 12th to 16th week
d. 12th to 20th week
13 . Daughter cells formed after meiosis I contain ………….. chromosome.
a. Polyploid
b. Aneuploid
c. Diploid
d. Haploid
RRB Nursing Exams MCQ Series 2024
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