Botany · Ecosystem

NEET (UG) 2025 — Question 141

Which of the following is the unit of productivity of an ecosystem?

Option A:
gm $^{-2}$
Option B:
KCalm $^{-2}$
Option C:
KCalm $^{-3}$
Option D:
(KCalm $^{-2} ) yr^{-1}$
Correct

Answer: D

Step-by-step solution

Ecosystem productivity is measured as the rate of energy capture per unit area per unit time. The standard unit is KCal m⁻² Yr⁻¹ representing kilocalories per square meter per year.

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Exam: NEET (UG) 2025
Paper: 2025 paper
Subject: Botany
Chapter: Ecosystem
Topic: Productivity

Given below are two statements : one is labelled as Statement I and the other is labelled as Statement II: Statement I: The primary source…
Given below are two statements : one is labelled as Statement I and the other is labelled as Statement II: Statement I: In ecosystem, there…

Answer: D

Step-by-step solution

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