Gujarati
2.Human Reproduction
normal

The origin of kidney and ureter in Rana tigrina is

A

All mesodermal

B

All endodermal

C

Ectodermal and mesodermal

D

Mesodermal and endodermal

Solution

(a) Embryonic cells differentiate at an early stage and from an outer layer of cells the ectoderm and an inner layer the mesoderm is formed and these three germ layer give rise to all the tissues of the developing embryo is developed from mesodermal layer.

Standard 12
Biology

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