General Science/Basic Science Embryology Gastrulation Sample Test,Sample questions

Question:
.Mesodermal cells are formed by

1.Involution

2.Invagination

3.Epiboly

4.Delamination

Posted Date:-2021-10-15 13:35:26


Question:
During gastrulation ectoderm completely covers the whole embryo by

1.Convergence

2.Involution

3.Invagination

4.Epiboly

Posted Date:-2021-10-15 13:35:26


Question:
During gastrulation in frog the prospective nervous system mainly expand due to

1.involution

2.Invagination

3.Epiboly

4.Delamination

Posted Date:-2021-10-15 13:35:26


Question:
During gastrulation in frog which is more active at the dorsal lip of blastopore

1.Epiboly

2.Invagination

3.Involution

4.Delamination

Posted Date:-2021-10-15 13:35:26


Question:
During gastrulation which presumptive cells are found at the animal pole

1.Epidermis

2.Nervous system

3.Notochord

4.Both 1 and 2

Posted Date:-2021-10-15 13:35:26


Question:
During organogenesis hypomere mesoderm flanks theIntermediate

1.Gut region

2.Neural tube

3.Notochord

4.Intermediate

Posted Date:-2021-10-15 13:35:26


Question:
During organogenesis the splanchnic mesoderm lies next to the

1.Ectoderm

2.Gut epithelium

3.Notochord

4.Gut endoderm

Posted Date:-2021-10-15 13:35:26


Question:
Epiboly occurs in

1.Cleavage

2.Oogenesis

3.Gastrulation

4.Organogenesis

Posted Date:-2021-10-15 13:35:26


Question:
Gastrulation in Amphioxus occurs by a process of

1.Hyperboly

2.Hypoboly

3.Delamination

4.Invagination

Posted Date:-2021-10-15 13:35:26


Question:
Heart and lymphatic system are formed from

1.Endoderm

2.Mesoderm

3.Ectoderm

4.Blastoderm

Posted Date:-2021-10-15 13:35:26


Question:
In a developing embryo the nervous system is derived from the

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Blastoderm

Posted Date:-2021-10-15 13:35:26


Question:
In amphioxus gastrula achenteron is formed by the

1.Involution

2.Invagination

3.Delamination

4.Convergence

Posted Date:-2021-10-15 13:35:26


Question:
In amphioxus gastrula circular rim is called

1.Blastopore

2.Blastocoel

3.Archenteron

4.Lip of blastopore

Posted Date:-2021-10-15 13:35:26


Question:
In amphioxus gastrula which tissue lies in the dorsal lip of blastopore

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Notochord

Posted Date:-2021-10-15 13:35:26


Question:
In frog gastrula mesodermal cells remain separated from the notochordal cells by

1.Convergence

2.Delamination

3.Involution

4.Invagination

Posted Date:-2021-10-15 13:35:26


Question:
In frog gastrula the yolk plug is formed of

1.Yolk-free micromeres

2.Yolk-laden micromeres

3.Yolk-free macromeres

4.Yolk-laden macromeres

Posted Date:-2021-10-15 13:35:26


Question:
In frog the gastrula is rotated to bring its antero-posterior axis in a

1.Horizontal plane

2.Longitudinal plane

3.Latitudinal plane

4.Vertical plane

Posted Date:-2021-10-15 13:35:26


Question:
In frog the lung and gills are developed from

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Endometrium

Posted Date:-2021-10-15 13:35:26


Question:
In gastrulation the movement of throwing in is known as

1.Epiboly

2.Emboly

3.Hypoboly

4.Hyperboly

Posted Date:-2021-10-15 13:35:26


Question:
In the Gastrula of frog which of the following layers line the roof of the archenteron and floor of the archenteron respectively

1.Mesoderm Endoderm

2.Endoderm Mesoderm

3.Ectoderm Mesoderm

4.Mesoderm Ectoderm

Posted Date:-2021-10-15 13:35:26


Question:
Morphogenetic movements occur during

1.Cleavage

2.Blastulation

3.Fertilization

4.Gastrulation

Posted Date:-2021-10-15 13:35:26


Question:
One of the following is not a kind of tubulation

1.Neurogenesis

2.Notogenesis

3.Mesogenesis

4.Metagenesis

Posted Date:-2021-10-15 13:35:26


Question:
One of the following is not the type of emboly

1.Involution

2.Delamination

3.Epiboly

4.Invagination

Posted Date:-2021-10-15 13:35:26


Question:
Pancreas is derived from the germinal layer of

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Chorda-Mesoderm

Posted Date:-2021-10-15 13:35:26


Question:
Posterior lobe of pituitary is formed from the

1.Endoderm

2.Mesoderm

3.Endoderm

4.Blastoderm

Posted Date:-2021-10-15 13:35:26


Question:
The cavity formed during the process of gastrulation is called

1.Blastocoel

2.Archenteron

3.Sub-germinal cavity

4.Blastoderm

Posted Date:-2021-10-15 13:35:26


Question:
The formation of brain and different sensory organs is called

1.Metagenesis

2.Neurogenesis

3.Notogenesis

4.Mesogenesis

Posted Date:-2021-10-15 13:35:26


Question:
The germinal layer from which the heart kidneys and spleen are formed is

1.Ectoderm

2.Endoderm

3.Mesoderm

4.Hypoderm

Posted Date:-2021-10-15 13:35:26


Question:
The major system derived from the endoderm is

1.Nervous system

2.Lymphatic system

3.Muscular system

4.Digestive system

Posted Date:-2021-10-15 13:35:26


Question:
The mass separation of cells from one another is called

1.Epiboly

2.Invagination

3.Involution

4.Delamination

Posted Date:-2021-10-15 13:35:26


Question:
The organ that develops from ectoderm is

1.Pancreas

2.Spleen

3.Kidney

4.Eye

Posted Date:-2021-10-15 13:35:26


Question:
The organ which is produced from mesoderm after gastrulation in a frog is

1.Liver

2.Heart

3.Tongue

4.Pancreas

Posted Date:-2021-10-15 13:35:26


Question:
The process of formation of primary organ rudiment is called

1.Tubulation

2.Neurulation

3.Elongation

4.Organogenesis

Posted Date:-2021-10-15 13:35:26


Question:
The rolling in of the superficial cells over the rim of the blastopore is called

1.Invagination

2.Involution

3.Delamination

4.Epiboly

Posted Date:-2021-10-15 13:35:26


Question:
The term mesogenesis refers to the formation of

1.Notochord only

2.Mesoderm only

3.Notochord and mesoderm

4.Notochord and nerve cord

Posted Date:-2021-10-15 13:35:26


Question:
Thyroid and anterior pituitary lobe are formed from the

1.Blastoderm

2.Mesoderm

3.Endoderm

4.Ectoderm

Posted Date:-2021-10-15 13:35:26


Question:
When the micromeres divide rapidly and grow over the macromeres it is known as

1.Epiboly

2.Involution

3.Delamination

4.Gastrulation

Posted Date:-2021-10-15 13:35:26


Question:
Which is the first indication of gastrulation in frog

1.Formation of germ ring

2.Formation of gery crescent

3.Formation of germ layers

4.Formation of archenteron

Posted Date:-2021-10-15 13:35:26


Question:
Which mesoderm flanks the neural tube and notochord

1.Epimere

2.Mesomere

3.Hypomere

4.Metamere

Posted Date:-2021-10-15 13:35:26


Question:
Which of the following is called chordo-mesoderm

1.Notochord and mesoderm

2.Notochord and endoderm

3.Ectoderm and mesoderm

4.Notochord and ectoderm

Posted Date:-2021-10-15 13:35:26


Question:
Which one of the following is the mesodermal derivative

1.Pigment cells

2.Pancreas

3.Liver

4.Kidney

Posted Date:-2021-10-15 13:35:26


Question:
Yolk plug is found in the

1.Blastula of amphioxus

2.Gastula of amphioxus

3.Blastula of frog

4.Gastrula of frog

Posted Date:-2021-10-15 13:35:26


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