MCQ
Studies under karyotaxonomy are based upon
- ANature of $DNA$
- BShape of the nucleus
- ✓Structure or number of chromosomes
- DContents of karyoplasm
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$(I)$ Biodiversity throughout the world shows uneven distribution.
$(II)$ According to latitudinal gradient there is no major difference in biodiversity.
$(III)$ Species diversity increases as we move away from equator towards the poles.
$(IV)$ Biodiversity increases as we move from temperate to tropical region.