STD 12 - 13. biodiversity and conservation — NEET STD 11 Science — Question

$I.$ Recent studies support competition as suggested in 'Gauses's Competitive Exclusion Principle'

$II.$ Gause's hypothesis says if two species compete for same resources then one will be eliminated by another species

$III.$ More recent studies point out that species facing competition might evolve mechanisms that promote co-existence rather than exclusion

$IV.$ Gause's competitive exclusion principle is effective when resources are in excess

$V.$ Unlimited resources give better opportunity for adaptation

Choose the correct combination of statements

$(i)$ Glycocalyx is the outermost envelope in bacteria.

$(ii)$ The glycocalyx could be a loose sheath called capsule.

$(iii)$ The glycocalyx may be thick and tough called slime layer.

$(iv)$ A special structure formed by the plasma membrane is called mesosome.

$(v)$ Small bristle like fibres sprouting out of the cell are called fimbriae.