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Question

Identify the correctly matched pair/pairs of the germ layers
and their derivatives
A. Ectoderm                         -                             Epidermis
B. Endoderm                       -                             Dermis
C. Mesoderm                     -                               Muscles
D. Mesoderm                     -                                Notochord
E. Endoderm                    -                                 Enamel of teeth


A
A, C and D only
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B
A, B, C and E only
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C
A and D only
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D
A and B only
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Solution

The correct option is D A, C and D only
There are three germ layers that occur in our body:
Ectoderm- the outermost layer
Mesoderm- the middle layer found between the ectoderm and the endoderm.
Endoderm- the innermost layer.
-Ectoderm is responsible for the formation of Epidermis which is the outermost layer.
-Mesoderm forms the dermis.
-Mesoderm also forms the skeletal muscles.
-The notochord is also formed by the mesoderm germ layer.
-Ectoderm is responsible for forming the enamel of teeth.
Therefore, A, C and D are the correct options,
Option B and E: Therefore, this is the incorrect option.
So, the correct option is A.

Biology

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