Supa Bio Unit 13 Embryological Dev't

14 Questions | By Etucci | Updated: May 25, 2023 | Attempts: 55

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Supa Bio Unit 13 Embryological Devt - Quiz

Unit 13 quiz, SUPA Biology curriculum.

Questions and Answers

1.

If a piece of presumptive frog neural tissue is removed from a very early gastrula, before chordamesoderm formation, and is explanted, it will differentiate into:
- A.
  
  Endoderm
- B.
  
  Bone tissue
- C.
  
  Chordamesoderm
- D.
  
  Epidermis tissue
- E.
  
  Neural tissue
2.

A feature that is present in frog development but not in chick or human or starfish development is the:
- A.
  
  Primitive streak
- B.
  
  Gray crescent
- C.
  
  Yolk sac
- D.
  
  Blastocoel
- E.
  
  Archenteron
3.

The innermost extra embryonic membrane that encloses the chick embryo in a fluid‑filled cavity is the:
- A.
  
  Chorion
- B.
  
  Amnion
- C.
  
  Yolk sac
- D.
  
  Shell membrane
- E.
  
  Allantois
4.

The germ layer that mainly gives rise to muscle, excretory and reproductive structures, the notochord and the skeleton is the:
- A.
  
  Endoderm
- B.
  
  Ectoderm
- C.
  
  Mesoderm
- D.
  
  Blastoderm
- E.
  
  Drugerderm
5.

The blastopore in frog development is equivalent to which of the following in chick development?
- A.
  
  Blastocoel
- B.
  
  Neurula
- C.
  
  Endoderm
- D.
  
  Allantois
- E.
  
  Primitive streak
6.

Which of the following appears earliest in chick development?
- A.
  
  Blastocoel
- B.
  
  Primitive streak
- C.
  
  Archenteron
- D.
  
  Notochord
- E.
  
  Neural folds
7.

The function of the fertilization membrane is to:
- A.
  
  Activate the sperm that reaches the egg
- B.
  
  Block entry of additional sperm cells into the egg
- C.
  
  Attract sperm cells to the egg
- D.
  
  Inhibit mitotic cleavage of the egg
- E.
  
  Assure that only sperm of the same species will fertilize the egg
8.

Which of the following occurs latest in frog development?
- A.
  
  Neural plate
- B.
  
  Grey crescent
- C.
  
  Blastocoel
- D.
  
  Chordomesoderm
- E.
  
  Archenteron
9.

The human embryo develops from the component of the blasocyst known as the:
- A.
  
  Allantois
- B.
  
  Amnion
- C.
  
  Trophoblast
- D.
  
  Mesoderm
- E.
  
  Inner cell mass
10.

The primary germ layer that gives rise to the neural tube leading to formation of the brain and central nervous system is:
- A.
  
  Endoderm
- B.
  
  Ectoderm
- C.
  
  Yolk sac
- D.
  
  Mesoderm
- E.
  
  Amnion
11.

Which of the following occurs earliest in human development?
- A.
  
  Morula
- B.
  
  Primitive streak
- C.
  
  Blastocoel
- D.
  
  Blastocyst
- E.
  
  Placenta
12.

Which is the correct sequence for the stages in frog development listed below: 1) blastula 2) grey crescent formation 3) neural tube formation 4) blastopore formation 5) formation of gills
- A.
  
  5—1—2—3—4
- B.
  
  2—3—1—5—4
- C.
  
  1—2—4—5—3
- D.
  
  2—1—4—3—5
- E.
  
  4—3—1—2—5
13.

A structure that is present in human development but not in frog and starfish and chick development is the:
- A.
  
  Grey crescent
- B.
  
  Placenta
- C.
  
  Coelom
- D.
  
  Amnion
- E.
  
  Allantois
14.

In frog development, the archenteron forms as a result of
- A.
  
  Division of cells in the animal hemisphere
- B.
  
  Migration of cells inward over the dorsal lip of the blastopore
- C.
  
  A split in the mesoderm
- D.
  
  Coming together of the outer edges of the neural folds
- E.
  
  Movement of endoderm into the grey crescent