MCQ Questions
Q.1.
It undergoes a change toward a more specialized form or function.
  • 0%
    What happens to a cell during the process of differentiation?
  • 0%
    What are the three germ layers contained in the gastrula?
  • 0%
    What is the formation of a fertilization envelope that bars additional sperm from entry into the egg?
  • 0%
    The _____ eventually develops into the sea urchin's digestive tract.
Q.2.
Cortical Reaction
  • 0%
    An ectodermal thickening above the frog's notochord forms a _____ _____.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
  • 0%
    What is the formation of a fertilization envelope that bars additional sperm from entry into the egg?
  • 0%
    What are the three germ layers contained in the gastrula?
Q.3.
Zygote
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
  • 0%
    The _____ eventually develops into the sea urchin's digestive tract.
  • 0%
    In sea urchins, the process of fertilization produces a(n) _____.
  • 0%
    In vertebrates, the ectoderm gives rise to the ______ layer of the skin.
Q.4.
Ectoderm
  • 0%
    During gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the _____.
  • 0%
    During gastrulation, invagination occurs at the _____.
  • 0%
    During gastrulation in frogs, cells from the animal pole spread over the embryo and form the _____.
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
Q.5.
Spinal Chord
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
  • 0%
    During gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the _____.
  • 0%
    An ectodermal thickening above the frog's notochord forms a _____ _____.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
Q.6.
Neural Tube
  • 0%
    An ectodermal thickening above the frog's notochord forms a _____ _____.
  • 0%
    The _____ _____ is(are) formed when the neural folds join and a portion of the neural plate sinks beneath the embryo's surface.
  • 0%
    The _____ eventually develops into the sea urchin's digestive tract.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
Q.7.
Neural Plate
  • 0%
    An ectodermal thickening above the frog's notochord forms a _____ _____.
  • 0%
    In vertebrates, the ectoderm gives rise to the ______ layer of the skin.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
  • 0%
    The _____ _____ is(are) formed when the neural folds join and a portion of the neural plate sinks beneath the embryo's surface.
Q.8.
Brain
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
  • 0%
    As cleavage continues, a zygote forms into a solid multicellular ball called a(n) _____.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
  • 0%
    The enlarged anterior portion of the neural tube will develop into a frog's _____.
Q.9.
Blastula
  • 0%
    During gastrulation, invagination occurs at the _____.
  • 0%
    Several hours after fertilization, cleavage results in the formation of a hollow ball of cells called a _____.
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
  • 0%
    As cleavage continues, a zygote forms into a solid multicellular ball called a(n) _____.
Q.10.
Notochord
  • 0%
    During gastrulation in frogs, cells from the animal pole spread over the embryo and form the _____.
  • 0%
    During gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the _____.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
  • 0%
    During gastrulation, invagination occurs at the _____.
Q.11.
Blastomeres
  • 0%
    What are the three germ layers contained in the gastrula?
  • 0%
    During gastrulation, invagination occurs at the _____.
  • 0%
    Endoderm formation
  • 0%
    What are the cells created by cleavage called?
Q.12.
Outer
  • 0%
    In sea urchins, the process of fertilization produces a(n) _____.
  • 0%
    An ectodermal thickening above the frog's notochord forms a _____ _____.
  • 0%
    As cleavage continues, a zygote forms into a solid multicellular ball called a(n) _____.
  • 0%
    In vertebrates, the ectoderm gives rise to the ______ layer of the skin.
Q.13.
Archenteron
  • 0%
    The _____ _____ is(are) formed when the neural folds join and a portion of the neural plate sinks beneath the embryo's surface.
  • 0%
    The notochord functions as a core around which mesodermal cells form the frog's _____.
  • 0%
    The _____ eventually develops into the sea urchin's digestive tract.
  • 0%
    The posterior portion of the neural tube will develop into the frog's _____ _____.
Q.14.
True or false? Early animal development progresses through distinct stages: first the production of the zygote through fertilization, then cleavage, then the formation of the gastrula, and then the formation of the blastula.
  • 0%
    True
  • 0%
    False