Mesoderm and ectoderm MCQ’s

  • Mesoderm form muscles through
    • Myogensis
    • Hematogensis
    • Thrombopiosia
    • Endodermal ossification
  • mesoderm has ability to induce formation of neural plate.
    • True
    • False
  • mesoderm appears in…….weak of embryonic development
    • Third
    • Eighth
    • First
    • Tenth
  • paraxial mesoderm is one of important segments of mesoderm
    • True
    • False
  • lateral plate mesoderm give rise to……
    • Heart
    • Liver
    • Brain
    • Pancreas
  • which of the following organ is formed during gastrulation?
    • Gill
    • Vitelline membrane
    • Heart
    • Archentron
  • mesoderm give rise to all structures except
    • Gonads
    • Circulatory system
    • Muscular system
    • Nervous system
  •  Brain nerve cell and spinal cord develops from embryonic…..
    • Mesoderm
    • Ectoderm
    • Endoderm
  • mesenchyme refers to middle layer of trilaminar embryo
    • True
    • False
  • intraembeyonic coelom form within
    • Somites
    • Lateral plate
    • Neural tube
    • Intermediate mesoderm
  • All paraxial mesoderm segments about Somites
    • True
    • Falsa
  • lateral plate mesoderm is split into
    • Somatic mesoderm
    • Splanchnic
    • Epiblast
    • Somatic and splanchnic mesoderm
  • From Hansen node dorsal mesoderm formed and is organized into
    • Axons
    • Somites
    • Dendrites
  • Fusion of cytoplasm is known as
    • Plasmogamy
    • Karyogamy
    • Progamy
    • Microgamy
  • one of symptoms of diabetes inspidus
    • Great itching
    • Nausea
    • Great thirst
    • Depression
  • In vertebrates ectoderm has five parts
    • True
    • False
  • ……discovered the three germ layers.

                     (a) Heinz Christian pander

                     (b) Alexander

                     (c) Paul Muller

  • Epidermal cells gives rise to central nervous system

                    (a) True

                    (b) False

  • Epithelium and mesenchyma are origins from all organs rising from ectoderm

                    (a) True

                    (b) False

  • Develops from ectoderm derived from mesenchyma cartilage

                    (a) Mammalian teeth

                    (b) Nails

                    (c) Hairs

  • A condition in which tissue groups derived ectoderm undergo abnormal develment is termed as ectodermal dysplasia

                   (a) Trust

                   (b) False

  • …… is type of surface ectoderm
    • keratinocyte

                      (b) Schvan cells

                      (c) Astrocyte

                     (d)pinealocyte

  • The ……… tooth enamel and epidermis are formed by differentiation of ectoderm

                     (a) Reproductive system

                     (b) digestive system

                     (c) endocrine system

                     (d) nervous system

  • During later stages of pregnancy ectoderm can be observed first amphibians and fishes

                    (a)True

                    (b) False