MCQ
High milk yielding varieties of cows are obtained by:
- ASuper ovulation.
- BArtificial insemination.
- CUse of surrogate mother.
- ✓All of the above.
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$A.$ Maternal mortality rate $(MMR)$ $B.$ Infant mortality rate $(IMR)$
$C.$ Number of people in reproducible age $D.$ Death rate