What percentages of $PAR$ can be captured by plants?
$1-5\;\%$
$2-10\;\%$
$20\;\%$
$50\;\%$
‘‘Biosphere’’ is called as
Match the columns :
Column - $I$ | Column - $II$ |
$(i)$Primary succession | $(i)$ Development of ecosystem |
$(ii)$Ecological succession | $(ii)$ Lichens |
$(iii)$ Base species on rocks | $(iii)$ Near to the equilibrium with the environment. |
$(iv)$ Climax community | $(iv)$ New species of lenvironment |
The sphere of living matter together with water, air and soil on the surface of earth is
The reservoir pool for gaseous cycles of matter is
Identify $Z$ in figure