NEET UG 2020 — Botany Ecosystem
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
Held on 30 Apr 2020 · Verified 9 Jul 2026.
Gross primary productivity is always more than net primary productivity
Gross primary productivity and Net primary productivity are one and same
There is no relationship between Gross primary productivity and Net primary productivity
Gross primary productivity is always less than net primary productivity
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Given below are two statements: Statement I: In ecosystem, there is unidirectional flow of energy of sun from producers to consumers. Statement II: Ecosystems are exempted from 2nd law of thermodynamics. In the light of the above statements, choose the most appropriate answer from the options given below:
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Which of the following is the unit of productivity of an Ecosystem?
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Consider the pyramid of energy of an ecosystem given below:  If $T_4$ is equivalent to 1000 J , what is the value at $T_1$ ?
Work through every NEET UG Ecosystem PYQ, year by year.