MCQ
The process of evolution
- ✓Is a continuous process
- BIs a discontinuous process
- CWas continuous in beginning but discontinuous now
- DWas discontinuous in beginning but continuous now
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$I.$ $PCT$ $II.$ $DCT$
$III.$ Loop of Henle $IV.$ Collecting duct
Which contributes most in maintaining $pH$ of blood?
| Column $- I$ | Column $- II$ |
| $(1)$ Inheritance of two genes | $(a)\; ABO$ blood group |
| $(2)$ Incomplete dominance | $(b)\; 1:2:1$ |
| $(3)$ Codominance | $(c)\;9:3:3:1$ |
| $(4)$ Inheritance of one gene | $(d)\; 3:1$ |