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In which of the following organisms, self-fertilization is seen? |
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a) |
Fish |
b) |
Roundworm |
c) |
Earthworm |
d) |
Liver fluke |
|
In which of the following organisms, self-fertilization is seen? |
|||||||
|
a) |
Fish |
b) |
Roundworm |
c) |
Earthworm |
d) |
Liver fluke |
(d)
Generally, cross-fertilization takes place in liver fluke (Fasciola hepatica), rarely self-fertilization takes place. Fertilization is internal in liver fluke.