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Question

(C) The primary source of energy in all ecosystems is solar energy.Approximately $50\%$ of the total solar radiation incident on the Earth's surface f

Vedclass · Accepted Answer

less than $50\%$

Vedclass · Answer

(C) The primary source of energy in all ecosystems is solar energy.Approximately $50\%$ of the total solar radiation incident on the Earth's surface falls within the $PAR$ (Photosynthetically Active Radiation) spectrum.Therefore,the proportion of $PAR$ is less than $50\%$ of the total incident solar radiation.Only about $1-5\%$ of the total incident solar radiation is captured by photosynthetic organisms to synthesize organic matter (Gross Primary Productivity).

Column $I$ (Terms)	Column $II$ (Explanation)
$1$. Stratification	$a$. Horizontal distribution of different species
$2$. Zonation	$b$. Rate of generation of Biomass in an ecosystem
$3$. Productivity	$c$. Breakdown of detritus
$4$. Decomposition	$d$. Vertical distribution of different species

Of the total incident solar radiation,the proportion of $PAR$ is:

Similar Questions

Which of the following statements is incorrect?

The species that appear first in a bare area are called:

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The biotic part of the ecosystem includes:

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