Embryology Quiz 1

Congenital cataract is associated with

Vertebra is divided from

Which one of the following is not the derivative of 1st (mandible) pharyngeal arch

Muscles innervated by hypoglossal nerves are derived from

The lumen of uterine cavity is obliterated by fusion of

At 35 weeks of Gestation, sample taken from amniocentesis shows increase Alpha-Fetoprotein. Its most probable cause is

Foetal period starts after which week

Embryologically which one of the following is not the developmental remnant

Primordial germ cells are derived from

Regarding spermatogenesis

Genital tubercle in females gives rise to

Spleen is

The part of mouth derived from ectoderm is

Germ cells are derived from

What is the best way to detect exact gestational age of fetus

Urachal cyst is the remnant of

Urachus is the remnant of

Somites are derived from

Tunica vaginalis is derived from

Sperms life span in female genital tract is

Thymus develops from

Organ which is rounded in structure lined by stratified squamous epithelium will be

An I/V urograph of 8 year old boy shows normal right kidney but absence of shadow on left side. Instead there is a small shadow just above the bladder on the left side. Which one of the following is most likely condition

A pregnant lady from hilly area presents to fetal scan at term shows no anomaly. Which of the following scan still be present in the newborn

Spermatogenesis is controlled by

A patient presented with an opening in the anterior wall of sternocleidomastoid muscle with pussy discharge coming out of it. This problem occured due to abnormality in one of the following

Ligamentum arteriosum connects with

Which one of the following is not formed from urogenital sinus

Etiology of cleft palate is

Villous surrounded by cytotrophoblast and syncitiotrophoblast is

Diaphragmatic hernia occurs due to

Primary spermatocyte is divided by

Regarding decidua

Left cleft palat is due to malformation of

Acellular layer surrounding an ovum is

Erythropoiesis occurs in middle trimester mainly from

O2 carried mostly in fetal circulation by

Embryonic period is

Maledevelopment of uro-rectal septum is

Which of the following is true about branchial anomalies

Superior parathyroid gland develops from

Which of the following develops from endoderm

Which of the following is a derivative of neuroectoderm

Notochord forms

Alpha fetoprotein is high in which of the following

Commonest cause of PDA

Derivative of endoderm is

Derivative of ectoderm include

Which of the following is a component of pentalogy of fallot

Structure of 2ndry villus include

Neural tube defects occur due to deficiency of

Laryngotracheal bud appears during

Left umbilical vein will regress to

Gestational age is estimated from

Which is not the manifestation of child born with toxoplasma infection

Optic groove appears on left side of forebrain on day

a new born child has abdominal swelling on the right side of the umbilical cord. It is not covered with amnion. The condition is

Which meso nephric duct functional remnant or unit is

Organs are mostly laid down by which time

Germen measles causes which abnormality

Which of the following is not related to Meckel’s Diverticulum

Regarding mesothelium, true is

Urorectal septum

A new born presents with anterior abdominal wall swelling and umbilical cord attached to it. What is this condition

A boy is excreting meconium from rectum and has severe constipation. the rectal examination showed no ganglion cells. The condition is called

Physiological hernia occurs in between

About neural tube, true is

A patient presents with primary amenorrhea and well developed secondary sexual characteristics. Patient has breast but absent uterus. It is due to abnormal development of

Regarding momites

What will happen immediately after birth

Sacralization is

Adult derivative of notochord is

Child presented with features of Microcephaly, Polydactyly, cleft lip and palate. He is likely suffering from

Which of the following bone is derived from 2nd pharyngeal arch

Primary oocyte surrounded by which non cellular layer