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Question

Productivity is the rate of production of biomass expressed in terms of:

i. (kcal m–3)yr–1

ii. g m–2yr–1

iii. g–1yr–1

iv. kcal m–2yr–1


A

ii

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B

iii

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C

ii and iv

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D

i and iii

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Solution

The correct option is C

ii and iv


The rate of production of biomass or organic matter per unit area in an ecosystem is defined as productivity and is expressed as g m2yr1 or kcal m2yr1.

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