MCQ
The nutritive medium for the ejaculated sperms is given by
- ✓Seminal fluid
- BVaginal fluid
- CUterine lining
- DFallopian tube
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$(A)$ The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?