In relation to Gross primary productivity and Net primary productivity of an ecosystem,which one of the following statements is correct?
- AThere is no relationship between Gross primary productivity and Net primary productivity.
- BGross primary productivity is always less than net primary productivity.
- CGross primary productivity is always more than net primary productivity.
- DGross primary productivity and Net primary productivity are one and same.
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Which of the following habitats is most unsuitable for primary productivity?
Medium
View SolutionThe idea of the productivity of an ecosystem can be obtained from:
Medium
View SolutionState whether the following statements are True or False:
$I.$ The total organic matter synthesized by the producers in the process of photosynthesis per unit time and area is known as gross primary productivity.
$II.$ Net primary productivity is the weight of the organic matter stored by the producers in a unit area/volume per unit time.
$I.$ The total organic matter synthesized by the producers in the process of photosynthesis per unit time and area is known as gross primary productivity.
$II.$ Net primary productivity is the weight of the organic matter stored by the producers in a unit area/volume per unit time.
Medium
View SolutionAssertion : Net primary productivity is gross primary productivity minus respiration.
Reason : Secondary productivity is produced by heterotrophs.
Reason : Secondary productivity is produced by heterotrophs.
MediumAIIMS 2013
View SolutionMatch List-$I$ with List-$II$ :
List-$I$ (Process) List-$II$ (Definition) $A$. Productivity $I$. Gross primary productivity minus respiration losses $B$. Net primary productivity $II$. Rate of formation of new organic matter by consumers $C$. Gross primary productivity $III$. Rate of biomass production $D$. Secondary productivity $IV$. Rate of production of organic matter during photosynthesis
Choose the correct answer from the options given below:
| List-$I$ (Process) | List-$II$ (Definition) |
| $A$. Productivity | $I$. Gross primary productivity minus respiration losses |
| $B$. Net primary productivity | $II$. Rate of formation of new organic matter by consumers |
| $C$. Gross primary productivity | $III$. Rate of biomass production |
| $D$. Secondary productivity | $IV$. Rate of production of organic matter during photosynthesis |
Choose the correct answer from the options given below:
MediumNEET 2026
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