Under conditions of constant illumination,the compensation period for a whole aquarium would be of infinite length when:
- AThe biomass of animals equals the biomass of plants
- BThe respiratory exchanges of the animals are equal to the photosynthetic exchanges of the plants
- CThe oxygen intake of the animals equals the oxygen output of photosynthesis
- DThe carbon dioxide output of the animals and plants equals the photosynthetic intake of the plants
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Similar Questions
Which statement about photosynthesis is false?
Medium
View SolutionWhich of the following is true for photosynthesis?
Medium
View SolutionRead the following four statements ($a, b, c,$ and $d$) carefully and select the option that includes both correct statements.
$(A)$ The $Z$-scheme of light reaction occurs only in the presence of $PSI$.
$(B)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(C)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(D)$ Stroma lamellae lack both $PS-II$ and $NADP$ reductase $(FNR)$.
$(A)$ The $Z$-scheme of light reaction occurs only in the presence of $PSI$.
$(B)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(C)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(D)$ Stroma lamellae lack both $PS-II$ and $NADP$ reductase $(FNR)$.
Medium
View SolutionAccording to one estimate,how many $kg$ of carbon is fixed in the biosphere through photosynthesis annually?
Easy
View SolutionSelect the correct option:
$(1)$ Julius von Sachs / $T$. $W$. Engelmann proved with evidence that glucose is produced when plants grow.
$(2)$ In $PS-II$,maximum light absorption occurs at a wavelength of $680 \, nm / 800 \, nm$.
$(1)$ Julius von Sachs / $T$. $W$. Engelmann proved with evidence that glucose is produced when plants grow.
$(2)$ In $PS-II$,maximum light absorption occurs at a wavelength of $680 \, nm / 800 \, nm$.
Medium
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