MCQ
Mendel’s last law is.
- ASegregation.
- BDominance.
- CIndependent assortment.
- DPolygenic inheritance.
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$R$ : It is a nucleic acid based diagonostic tool that can confirm presence of infectious microbe at early stages.
$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?