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A fowl consum...

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A fowl consumes grains. What will we call the rate at which new organic matter is produced by this fowl?
A. Primary Productivity rate
B. Gross Primary Productivity
C. Net Primary Productivity
D. Secondary Productivity

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right , hope you understand beta.

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Q. Assertion :Net primary productivity is gross primary productivity minus respiration. Reason: Secondary productivity is produced by heterotrophs.

Q. Gross primary productivity is the rate at which organic matter is synthesised by producers per unit area and time.

Q. Identify the incorrect pair.

I. Net Primary Productivity - Available organic matter for the consumers
II. Primary Productivity - Amount of production of organic matter during photosynthesis
III. Gross Primary Productivity - Amount of biomass produced per unit area over a certain period of time by plants during photosynthesis

Q. Assertion: Net primary productivity (NPP) is always more than gross primary productivity.
Reason: Net primary productivity (NPP) is the amount of organic matter that is lost by the producers during respiration.

Q. Which of the following statement(s) about productivity is/are incorrect?
I. Gross primary productivity of an ecosystem is the rate of production of organic matter per unit area during photosynthesis.
II. Gross primary productivity is measured in terms of kcal/m²/year
III. Net primary productivity of oceans is much higher than that of land masses on earth.
IV. Gross primary productivity = Net primary productivity - Respiration losses (R)

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