MCQ
In growth pattern, (1 – N/ K) is.
- ACarrying capacity.
- BIntrinsic rate of natural increase.
- CEnvironmental resistance.
- DBiotic potential.
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$R$ : It is a nucleic acid based diagonostic tool that can confirm presence of infectious microbe at early stages.
$R$- Fishes and birds are included in top carnivore.
$I.$ Charles Elton developed the concept of ecological pyramid
$II.$ After the name these pyramids are also called as Eltonian pyramids
$III.$ It is a graphical representation or pyramid shaped diagram which depicts the number of organisms, biomass and energy at each trophic level
Which of the statements given above are correct?
$I.$ Anabaena
$II.$ Oscillatoria
$III.$ Nostoc
Choose the correct option