Which of the following is responsible for the formation of the three germ layers during embryonic development?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: d) All of the above
The process by which a single-celled zygote divides into multiple cells is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: a) Cleavage
Which of the following is a major signaling molecule involved in cell differentiation during development?
a) Insulin
b) Estrogen
c) Sonic hedgehog
d) Melatonin
Answer: c) Sonic hedgehog
The process by which cells become specialized and acquire specific functions is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: c) Differentiation
Which of the following is responsible for the formation of the nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: a) Ectoderm
The process by which cells move to their designated locations in the embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Migration
Answer: d) Migration
Which of the following structures connects the developing fetus to the placenta?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois
Answer: a) Umbilical cord
The process by which the cells of the embryo organize into distinct layers is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: b) Gastrulation
The formation of the notochord is a characteristic feature of which germ layer?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: b) Mesoderm
Which of the following is responsible for the formation of blood and blood vessels?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: b) Mesoderm
The process by which cells undergo programmed cell death is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: b) Apoptosis
Which of the following is responsible for the formation of the digestive and respiratory systems?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: c) Endoderm
The process of cell division without growth in size is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Mitosis
Answer: a) Cleavage
Which of the following is a key regulatory gene involved in the development of body segments in fruit flies?
a) Homeobox gene
b) Sonic hedgehog gene
c) Pax6 gene
d) MyoD gene
Answer: a) Homeobox gene
The process of forming a three-dimensional structure from the germ layers is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The embryonic structure that develops into the central nervous system is called the:
a) Notochord
b) Neural tube
c) Somite
d) Blastocyst
Answer: b) Neural tube
The process by which cells multiply in number is called:
a) Cleavage
b) Gastrulation
c) Proliferation
d) Migration
Answer: c) Proliferation
Which of the following is a key morphogen involved in determining cell fate during development?
a) Insulin
b) Estrogen
c) Sonic hedgehog
d) Melatonin
Answer: c) Sonic hedgehog
The process by which cells change shape and position to form tissues and organs is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The process by which cells become specialized for specific functions is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: c) Differentiation
Which of the following is responsible for the formation of the skin and nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: a) Ectoderm
The process by which cells move to their final destinations in the developing embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Migration
Answer: d) Migration
Which of the following structures forms the placenta in mammals?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois
Answer: c) Chorion
The process by which cells organize into distinct layers in the embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: b) Gastrulation
The formation of the notochord is a characteristic feature of which germ layer?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: b) Mesoderm
Which of the following is responsible for the formation of the cardiovascular system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: b) Mesoderm
The process by which cells undergo programmed cell death is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: b) Apoptosis
Which of the following is responsible for the formation of the liver and lungs?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: c) Endoderm
The process of cell division without growth in size is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Mitosis
Answer: a) Cleavage
Which of the following is a key regulatory gene involved in the development of body segments in fruit flies?
a) Homeobox gene
b) Sonic hedgehog gene
c) Pax6 gene
d) MyoD gene
Answer: a) Homeobox gene
The process of forming a three-dimensional structure from the germ layers is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The embryonic structure that develops into the brain and spinal cord is called the:
a) Notochord
b) Neural tube
c) Somite
d) Blastocyst
Answer: b) Neural tube
The process by which cells multiply in number is called:
a) Cleavage
b) Gastrulation
c) Proliferation
d) Migration
Answer: c) Proliferation
Which of the following is a key morphogen involved in determining cell fate during development?
a) Insulin
b) Estrogen
c) Sonic hedgehog
d) Melatonin
Answer: c) Sonic hedgehog
The process by which cells change shape and position to form tissues and organs is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The process by which cells become specialized for specific functions is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: c) Differentiation
Which of the following is responsible for the formation of the skin and nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: a) Ectoderm
The process by which cells move to their final destinations in the developing embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Migration
Answer: d) Migration
Which of the following structures forms the placenta in mammals?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois
Answer: c) Chorion
The process by which cells organize into distinct layers in the embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: b) Gastrulation
The formation of the notochord is a characteristic feature of which germ layer?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: b) Mesoderm
Which of the following is responsible for the formation of the cardiovascular system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: b) Mesoderm
The process by which cells undergo programmed cell death is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: b) Apoptosis
Which of the following is responsible for the formation of the liver and lungs?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: c) Endoderm
The process of cell division without growth in size is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Mitosis
Answer: a) Cleavage
Which of the following is a key regulatory gene involved in the development of body segments in fruit flies?
a) Homeobox gene
b) Sonic hedgehog gene
c) Pax6 gene
d) MyoD gene
Answer: a) Homeobox gene
The process of forming a three-dimensional structure from the germ layers is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The embryonic structure that develops into the brain and spinal cord is called the:
a) Notochord
b) Neural tube
c) Somite
d) Blastocyst
Answer: b) Neural tube
The process by which cells multiply in number is called:
a) Cleavage
b) Gastrulation
c) Proliferation
d) Migration
Answer: c) Proliferation
Which of the following is a key morphogen involved in determining cell fate during development?
a) Insulin
b) Estrogen
c) Sonic hedgehog
d) Melatonin
Answer: c) Sonic hedgehog
The process by which cells change shape and position to form tissues and organs is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The process by which cells become specialized for specific functions is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: c) Differentiation
Which of the following is responsible for the formation of the skin and nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: a) Ectoderm
The process by which cells move to their final destinations in the developing embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Migration
Answer: d) Migration
Which of the following structures forms the placenta in mammals?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois
Answer: c) Chorion
The process by which cells organize into distinct layers in the embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: b) Gastrulation
The formation of the notochord is a characteristic feature of which germ layer?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: b) Mesoderm
Which of the following is responsible for the formation of the cardiovascular system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: b) Mesoderm
The process by which cells undergo programmed cell death is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: b) Apoptosis
Which of the following is responsible for the formation of the liver and lungs?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None of the above
Answer: c) Endoderm
The process of cell division without growth in size is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Mitosis
Answer: a) Cleavage
Which of the following is a key regulatory gene involved in the development of body segments in fruit flies?
a) Homeobox gene
b) Sonic hedgehog gene
c) Pax6 gene
d) MyoD gene
Answer: a) Homeobox gene
The process of forming a three-dimensional structure from the germ layers is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The embryonic structure that develops into the brain and spinal cord is called the:
a) Notochord
b) Neural tube
c) Somite
d) Blastocyst
Answer: b) Neural tube
The process by which cells multiply in number is called:
a) Cleavage
b) Gastrulation
c) Proliferation
d) Migration
Answer: c) Proliferation
Which of the following is a key morphogen involved in determining cell fate during development?
a) Insulin
b) Estrogen
c) Sonic hedgehog
d) Melatonin
Answer: c) Sonic hedgehog
The process by which cells change shape and position to form tissues and organs is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Morphogenesis
Answer: d) Morphogenesis
The process by which cells become specialized for specific functions is called:
a) Proliferation
b) Apoptosis
c) Differentiation
d) Migration
Answer: c) Differentiation
Which of the following is responsible for the formation of the skin and nervous system?
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All of the above
Answer: a) Ectoderm
The process by which cells move to their final destinations in the developing embryo is called:
a) Cleavage
b) Gastrulation
c) Differentiation
d) Migration
Answer: d) Migration
