Which one of the following is the source of silk? |
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a) |
Eggs |
b) |
Caterpillar |
c) |
Cocoon |
d) |
Pupa |
Which one of the following is the source of silk? |
|||||||
a) |
Eggs |
b) |
Caterpillar |
c) |
Cocoon |
d) |
Pupa |