1:   The vitellointestinal duct which is present in the embryo, normally disappears during which week of intrauterine life?
Options:
  1. 6th
  2. 7th
  3. 8th
  4. 9th

Answer: Option 1

Explanation:

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2:   By which month of intrauterine life testes reaches the iliac fossa ?
Options:
  1. 2nd month
  2. 3rd month
  3. 4th month
  4. 5th month

Answer: Option 2

Explanation:

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3:   Which of the following cells are derived from coelomic epithelium?
Options:
  1. Spermatogenic cells
  2. Cells of sertoli
  3. Cells of leydig
  4. Interstitial cells

Answer: Option 2

Explanation:

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4:   The adrenal cortex is derived from which germ layer?
Options:
  1. Ectoderm
  2. Mesoderm
  3. Endoderm
  4. Both mesoderm and endoderm

Answer: Option 2

Explanation:

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5:   The facial muscles are developed from the mesoderm of:
Options:
  1. First branchial arch
  2. Second branchial arch
  3. Third branchial arch
  4. Fourth branchial arch

Answer: Option 2

Explanation:

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6:   Development of central nervous system occurs through
Options:
  1. gastrulation
  2. neurulation
  3. metamorphosis
  4. invagination

Answer: Option 2

Explanation:

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7:   Notocord grows from
Options:
  1. neuropore
  2. prechordal plate
  3. hypocordal rod
  4. chorda -mesoderm

Answer: Option 4

Explanation:

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8:   Formation of notocord is
Options:
  1. neurulation
  2. notogenesis
  3. morulation
  4. blastulation

Answer: Option 2

Explanation:

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9:   In development, Eustachian tube is
Options:
  1. ectodermal
  2. endodermal
  3. mesodermal
  4. both mesodermal and endodermal

Answer: Option 2

Explanation:

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10:   If chorda mesoderm evaginates instead of invagination
Options:
  1. only ectodermal and endodermal structures develop
  2. only mesodermal and endodermal structures develop
  3. no development occurs
  4. only ectodermal and mesodermal structures develop

Answer: Option 3

Explanation:

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