1
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I: The primary source of energy in an ecosystem is solar energy.

Statement II : The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Statement I is correct but statement II is incorrect
B
Statement I is incorrect but statement II is correct
C
Both statement I and statement II are correct
D
Both statement I and statement II are incorrect
2
NEET 2025
MCQ (Single Correct Answer)
+4
-1

Who is known as the father of Ecology in India?

A
Ram Udar
B
Birbal Sahni
C
S.R. Kashyap
D
Ramdeo Misra
3
NEET 2025
MCQ (Single Correct Answer)
+4
-1

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:

A
Statement I is correct but statement II is incorrect
B
Statement I is incorrect but statement II is correct
C
Both statement I and statement II are correct
D
Both statement I and statement II are incorrect
4
NEET 2025
MCQ (Single Correct Answer)
+4
-1

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

A
$\mathrm{KCal} ~\mathrm{m}^{-3}$
B
$\left(\mathrm{KCal} ~\mathrm{m}{ }^{-2}\right) \mathrm{yr}^{-1}$
C
$\mathrm{gm}^{-2}$
D
$\mathrm{KCal} ~\mathrm{m}^{-2}$
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