The Lederberg replica plating experiment showed that

The given table shows some information about the trophic levels of a food chain.

Select the option with correct order of trophic levels in a food chain.

The density of a population in a given habitat during a period, fluctuates due to changes in certain basic processes. On this basis, identify $\mathrm{A}$ and $\mathrm{B}$ boxes in the given flow chart.

In the given figure, identify the tropical forest and coniferous forest from the markings $\mathrm{A}-\mathrm{F}$ and select the correct option.

Which is correctly labelled with respect to the given diagram?