Technique of silk production from the cocoons of silkworms was first known to: |
|||||||
a) |
India |
b) |
China |
c) |
United Kingdom |
d) |
U.S.A. |
Technique of silk production from the cocoons of silkworms was first known to: |
|||||||
a) |
India |
b) |
China |
c) |
United Kingdom |
d) |
U.S.A. |