Solve MCQs from Embryology

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sathya karri's picture
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1.Consider the following statement:

a.Sus has dedicated placenta
b.Tapla has non dduate placenta
which one of the statements iven above are /is correct
1.a ony. 2. b only  3.both a and b are correct  4. neither a nor b.

2.which one of the following act as a precious urinary bladder in which nitrogenious waste accumilated during the develoment of chick?
(a) Amnion (b) Allantos(c)somatopleure (d)Yolk sac

3.With reference to gastrulation in chick,consider the following statement
1. In gastrulation of chick,there is neither invagination nor archenteron.
2.the place of origin of endoderm is anterior part of the blastoderm
(a) 1 only (b) 2 only (c)both (d) neither 1 nor 2

4.which of the following statement is/are correct
acortical reaction of egg durn fertilizaton is necessary
a).inhibit polyspermy and solubilize the egg membrane
(b)inhibit polyspermy and harden the egg membrane
(c)solubilize the egg membrane
(d) alow polyspermy and harden the eggmembrane

5. consider the following  developmentalstages of frog
1.Neurula
2.Blastula
3.Morula
4.Gastrula
which of the above lack blastopore?
(a)1and 4(b) 2 and 3 (c)1,2,and 3 (d)2,3,and4