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General Science — Basic Science Embryology Cleavage

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1. In frog IV V division of cleavage forms

A. 2 cell stage
B. 4 cell stage
C. 16 cell stage
D. 32 cell stage
Correct Option: 16 cell stage

2. Which of the following is also called as meroblastic cleavage

A. Equal holoblastic
B. Unequal holoblastic
C. Partial
D. Superficial
Correct Option: Partial

3. In frog 4th cleavage is

A. Meridional
B. Latitudinal
C. Transverse
D. Vertical
Correct Option: Vertical

4. The type of cleavage in frog s egg is

A. Holoblastic equal
B. Holoblastic unequal
C. Meroblastic
D. Discoidal
Correct Option: Holoblastic unequal

5. Which plane bisects the egg at right angels to the median axis

A. Meridional
B. Latitudinal
C. Equatorial
D. Latitudinal
Correct Option: Equatorial

6. In frog the first cleavage is

A. Meridional
B. Latitudinal
C. Equatorial
D. Vertical
Correct Option: Meridional

7. The resulting daughter cells from cleavage are called

A. Epimeres
B. Hypomeres
C. Blastomeres
D. Mesomeres
Correct Option: Blastomeres

8. The outer single layer in the blastula is called

A. Ectoderm
B. Blastoderm
C. Blastocoel
D. Endoderm
Correct Option: Blastoderm

9. Which type of cleavage is found in insects

A. Superficial
B. Discoidal
C. Meroblastic
D. Holoblastic
Correct Option: Superficial

10. Incomplete cleavage is also called as

A. Discoidal
B. Holoblastic
C. Superficial
D. Holoblastic
Correct Option: Discoidal

11. Micromeres and macromeres are found in the

A. Blastula of amphioxus
B. Blastula of frog
C. Gastrula of amphioxus
D. Gastrula of frog
Correct Option: Blastula of frog

12. Which is formed by the cleavage process

A. Morula
B. Blastula
C. Gastrula
D. Neurula
Correct Option: Blastula

13. In frog 32 cell stage is formed by the

A. I division
B. II division
C. IV division
D. V division
Correct Option: V division

14. The type of cleavage in amphioxus egg is

A. Discoidal
B. Meroblastic
C. Holoblastic unequal
D. Holoblastic equal
Correct Option: Holoblastic unequal

15. An example of holoblastic unequal cleavage is the egg of

A. Amphioxus
B. Hen
C. Frog
D. Fish
Correct Option: Frog

16. Which plane passes through animal-vegetal axis

A. Meridional
B. Vertical
C. Equatorial
D. Latitudinal
Correct Option: Meridional

17. Superficial and discoidal cleavage are the types of

A. Equal holoblastic
B. Unequal holoblastic
C. Meroblastic
D. Both 1 and 2
Correct Option: Meroblastic

18. Name the type of cleavage that takes place in forg�s egg

A. Equal holoblastic
B. Unequal holoblastic
C. Meroblastic
D. Partial cleavage
Correct Option: Unequal holoblastic

19. The central cavity in the blastoderm is called

A. Haemocoel
B. Archenteron
C. Gastrocoel
D. Blastocoel
Correct Option: Blastocoel

20. In frog IV V division of cleavage forms

A. 2 cell stage
B. 4 cell stage
C. 16 cell stage
D. 32 cell stage
Correct Option: 16 cell stage

21. Which of the following is also called as meroblastic cleavage

A. Equal holoblastic
B. Unequal holoblastic
C. Partial
D. Superficial
Correct Option: Partial

22. In frog 4th cleavage is

A. Meridional
B. Latitudinal
C. Transverse
D. Vertical
Correct Option: Vertical

23. The type of cleavage in frog s egg is

A. Holoblastic equal
B. Holoblastic unequal
C. Meroblastic
D. Discoidal
Correct Option: Holoblastic unequal

24. Which plane bisects the egg at right angels to the median axis

A. Meridional
B. Latitudinal
C. Equatorial
D. Latitudinal
Correct Option: Equatorial

25. In frog the first cleavage is

A. Meridional
B. Latitudinal
C. Equatorial
D. Vertical
Correct Option: Meridional

26. The resulting daughter cells from cleavage are called

A. Epimeres
B. Hypomeres
C. Blastomeres
D. Mesomeres
Correct Option: Blastomeres

27. The outer single layer in the blastula is called

A. Ectoderm
B. Blastoderm
C. Blastocoel
D. Endoderm
Correct Option: Blastoderm

28. Which type of cleavage is found in insects

A. Superficial
B. Discoidal
C. Meroblastic
D. Holoblastic
Correct Option: Superficial

29. Incomplete cleavage is also called as

A. Discoidal
B. Holoblastic
C. Superficial
D. Holoblastic
Correct Option: Discoidal

30. Micromeres and macromeres are found in the

A. Blastula of amphioxus
B. Blastula of frog
C. Gastrula of amphioxus
D. Gastrula of frog
Correct Option: Blastula of frog

31. Which is formed by the cleavage process

A. Morula
B. Blastula
C. Gastrula
D. Neurula
Correct Option: Blastula

32. In frog 32 cell stage is formed by the

A. I division
B. II division
C. IV division
D. V division
Correct Option: V division

33. The type of cleavage in amphioxus egg is

A. Discoidal
B. Meroblastic
C. Holoblastic unequal
D. Holoblastic equal
Correct Option: Holoblastic unequal

34. An example of holoblastic unequal cleavage is the egg of

A. Amphioxus
B. Hen
C. Frog
D. Fish
Correct Option: Frog

35. Which plane passes through animal-vegetal axis

A. Meridional
B. Vertical
C. Equatorial
D. Latitudinal
Correct Option: Meridional

36. Superficial and discoidal cleavage are the types of

A. Equal holoblastic
B. Unequal holoblastic
C. Meroblastic
D. Both 1 and 2
Correct Option: Meroblastic

37. Name the type of cleavage that takes place in forg�s egg

A. Equal holoblastic
B. Unequal holoblastic
C. Meroblastic
D. Partial cleavage
Correct Option: Unequal holoblastic

38. The central cavity in the blastoderm is called

A. Haemocoel
B. Archenteron
C. Gastrocoel
D. Blastocoel
Correct Option: Blastocoel