In egg of bird, shell and shell membranes are

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2.Human Reproduction

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In the egg of bird, shell and shell membranes are

A

Permeable to ${O_2}$ and $C{O_2}$

B

Permeable to water only

C

Permeable to air only

D

Non-permeable

Solution

(a)The calcareous shell present around the eggs of birds in porous and allows diffusion of oxygen ($O_2$) and carbon dioxide ($CO_2$).

Standard 12

Biology

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