MCQ
Recessive characters are expressed
- ✓Only when they are present on $X$ chromosomes of male
- BOnly when they are present on $X$ chromosomes of female
- COn any autosome
- DOn both the chromosomes of female
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$(1)$ The trophic levels in $GFC$ are unlimited
$(2)$ Organisms at each trophic level depend on those at the higher trophic level for their energy demands.
$(3)$ Plants capture only $2 -10$ percent of $PAR$.
$(4)$ All organisms are dependent for their food on producers, either directly or indirectly.