MCQ
$R.B.C.$ in adult are formed
- ✓In the bone marrow of long bones
- BIn the spleen
- CIn the thymus
- DIn the liver
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| Column $- I$ | Column $- II$ |
| $(A)$ Lamark | $(p)$ Finch bird |
| $(B)$ De Vries | $(q)$ Evening primerose |
| $(C)$ Darwin | $(r)$ Giraffes |
| $(s)$ Melanic moths |
| Column-I | Column-II | ||
| (P) | Aspergillus niger | (i) | Acetic acid |
| (Q) | Acetobacter aceti | (ii) | Butyric acid |
| (R) | Clostridium butyricum | (iii) | Citric acid |
| (S) | Lactobacillus | (iv) | Lactic acid |