MCQ
In which order, three germ layers appear in the development
- AEctoderm-mesoderm-endoderm
- ✓Ectoderm-endoderm-mesoderm
- CMesoderm-endoderm-ectoderm
- DNone of the above
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| Column $- I$ | Column $- II$ |
| $(I)$ Aspergillus niger | $(p)$ Lactic acid |
| $(II)$ Acetobacter aceti | $(q)$ Acetic acid |
| $(III)$ Lactobacillus | $(r)$ Citric acid |
| $(IV)$ Clostridium butylicuml | $(s)$ Butyric acid |
$I$ $II$ $III$ $IV$