MCQ
Mutations are
- AChanges which are not inherited
- ✓Changes which are inherited
- CChanges which may or may not be inherited
- DChanges acquired by organisms during their life time
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$R $ : Complementary $dsRNA$ molecule binds to specific $mRNA$ and prevents its translation (silencing).
$R$ : $LAB$ present in curd checks growth of disease causing microbes.
$(1)$ Zooplanktons are primary producers in an aquatic ecosystem.
$(2)$ Decomposition is largely an oxygen requiring process.
$(3)$ In a natural ecosystem, fishes, wolf, etc. are carnivore.
$(4)$ The amount of energy decreases in each successive trophic level.