Which one occurs first in the human embryo
Neurogenesis
Cardiogenesis
Hepatogenesis
Osteogesis
Correct Answer :
A. Neurogenesis
Related Questions
Mongolian idiocy due to trisomy in 21st chromosome is known as
Downs syndrome
Turners syndrome
Klinefelters syndrome
Triple x syndrome
A marriage between man with normal vision and colour blind woman will give birth to
Colour blind sons and 50% carrier daughter
50% colourblind sons and 50% carrier daughter
Normal males and carrier daughters
Colour blind sons and carrier daughters.
Human female reaches menopause at the age of about ...
25 years
35 years
50 years
70 years
The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
Karyotype
Genotype
Phenotype
Cytogenetics
Emergency contraceptives may prevent pregnancy if used within 72 hrs of
Menstruation
Fertilization
Ovulation
Coitus
Which layer of embryo is formed first
ectoderm
Mesoderm
Endoderm
Mesenchyma
Failure of the brain to grow in the foetus may result in:
Plagiocephaly
Craniostenosis
Anencephaly
Microcephaly
An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
Edwards syndrome
Klinefelters syndrome
Intersex
Downs syndrome.
Part of fallopian tube closest to ovary is
Infundibulum
Cervix
Ampulla
Isthmus
The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
Blastulation
Neurulation
Gastrulation
Organogenesis
Increase in basal body temperature in the middle of menstrual cycle is a sign of
Fertilization
Onset of menstruation
Menopause
Ovulation
In human embryo, the digestive system develops from the
Epithelium
Mesoderm
Endoderm
Ectoderm
The chemical of the ovum that attracts and holds sperm
Fertilizin
Antifertilizin
Agglutin
Antiagglutinin
Sertoli cells are found in
Seminiferous tubules
Ovaries
Prostate gland
Semen
Which of the following is not a hereditary disease?
Cystic fibrosis
Thalassaemia
Haemophilia
Cretinism
Pregnancy begins with implantation of
Embryo
Fertilized ovum
Blastopore
Blastocyst
Which one is not the function of human placenta
Helps co2 and excretory products pass from foetus to mother's body
Helps o2 and nutrients from mother's body enter the foetus
Secretes hormones
It protects foetus from mechanical shocks
Which cells provide nutrition to the sperms?
Sertoli cells
Leydig cells
Crypt cells
Semniferous tubules
The first milk which comes out just after child birth is known as .
Colostrum
Prolactin
Hind milk
Lactogen
The male hormone testosterone is secreted by
Sertoli cells
Leydig cells
Crypt cells
Semniferous tubules
The most important region of the decidua for the nourishment of the conceptus is the deciduas
Frondosum
Capsularis
Parietalis
Basalis
Prostate gland produces a secretion for ...
Attracting sperms
Stimulating sperm activity
Inhibiting sperm activity
None of the above
Thick layer which surrounds the ovum is ...
Zona pellucida
Membrana granulosa
Corona radiata
Theca interna
Which of the following statements is most correct about the human menstrual cycle.
The menstrual cycle in all women is a 28 day cycle
Ovulation always occurs at the midpoint of the menstrual cycle
A high body temperature indicates ovulation is occurring
The menstrual cycle is an endocrine cycle regulating reproductive physiological changes
A child's blood group is 'o'. The parent's blood groups cannot be
A AND B
A AND A
AB AND O
B AND O
Cryptorchidism is ...
Nondescent of testes in scrotum
Nondevelopment of testes
Removal of scrotum
Breaking connection of vas deferens
The middle piece of the sperm contains
Protein
Nucleus
Mitochondria
Centriole
Human eggs are
Mesolecithel
Microlecithel
Macrolecithel
Alecithel
In humans female ovulation occurs during menstrual cycle
At the end of proliferative phase
At the beginning of proliferative phase
Before the end of secretary phase
In the middle of secretary phase
What is the name of the inner lining of the uterus?
Myometrium
Endometrium
Epithelium
Endothelium