MCQ
Embryo sac is also known as
- AMicro-gametophyte
- ✓Mega-gametophyte
- CMicro-sporangium
- DMega - sporangium
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| 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 |