In frog, gastrulation is completed by

Related Questions

1. For fertilization of the frog's egg
2. Antifertilizin is secreted by
3. Blastopore in frogs development occurs in
4. Meroblastic cleavage is found in
5. The first phase in the sexual reproduction of organisms is
6. The formation of the neural tube is known as
7. During fertilization the spermatozoa penetrate through the egg membranes with the help of
8. The expulsion of completely developed foetus from the uterus is known as
9. Constructive change in the development of frog from tadpole is
10. In forg, the sperms released from the testis take the following route to reach the ureter:
11. The intestine of tadpole is
12. Which of the following does not show metamorphosis ?
13. During metamorphosis, the disappearance of larval organs is called
14. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
15. Cleidoic eggs are found in
16. A freshly unfertilised egg of hen contains
17. The allantoic vesicle arises from
18. Human beings are
19. Which of the following do not show parental care over their young ones ?
20. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
21. In frog's egg the divisoin is
22. Which one has the capacity to reproduce without fertilization of eggs ?
23. During the development of frog, the ar-chenteron is formed in
24. Embryo sac in a hen's egg is formed by
25. Grey cresent is present in
26. Spermatoliosis is a process by which
27. If an unfertilized frog's egg is pricked with a micro-needle, it will
28. The sexual embrage of the male and female frogs is called
29. How many cleavages are completed in 16 cell stages of frog's egg ?
30. Mammalian placenta is

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