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12.Ecosystem
medium
Consider the following four statements $(A-D)$ and select the correct option stating which ones are true $(T)$ and
which ones are false $(F)$.
Statements :
$(A)$ Vertical distribution of different species occupying different levels in a community is called stratification.
$(B)$ Net primary productivity minus respiration losses is the gross primary productivity.
$(C)$ Rate of biomass production is called decomposition
$(D)$ Annual net primary productivity of oceans is $55$ billion tons
(A) | (B) | (C) | (D) |
A
$F$ | $T$ | $F$ | $T$ |
B
$T$ | $F$ | $T$ | $F$ |
C
$T$ | $F$ | $F$ | $T$ |
D
$F$ | $T$ | $F$ | $F$ |
Solution
Statements $A$ & $D$ are correct
$NPP\; = \;GPP\; -\; R$
Rate of biomass production is called productivity.
Standard 12
Biology