MCQ
In a food chain, the largest population is that of:
- ADecomposers.
- BProducers.
- CPrimary consumers.
- DTertiary consumers.
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What is the women's $ABO$ genotype and blood type?
| Column – I | Column $- II$ |
| $(1)$ Failure of cytokinesis | $(p)$ To study in beritance of particular traits |
| $(2)$ Trisomy of 21 | $(q)$ Polyploidy |
| $(3)$ Error of metabolism | $(r)$ Down's syndrome |
| $(4)$ Pedigree analysis | $(s)$ Phenylketonuria |