1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II : } $$

$$
\text { List-I }
$$
$$
\text { List-II }
$$
A. Productivity I. Gross primary productivity minus respiration losses
B. Net primary productivity II. Rate of formation of new organic matter by consumers
C. Gross primary productivity III. Rate of biomass production
D. Secondary productivity IV. Rate of production of organic matter during photosynthesis
Choose the correct answer from the options given below :
A

A-III, B-I, C-IV, D-II

B

A-I, B-II, C-III, D-IV

C

A-I, B-III, C-IV, D-II

D

A-III, B-I, C-II, D-IV

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II: } $$

List-I
(Phase of cell cycle)
List-II
(Activity)
A. Decomposition I. Accumulation of dark coloured amorphous colloidal substance
B. Detritus II. Release of inorganic nutrients by the activity of microbes in soil
C. Mineralisation III. Breaking down of complex organic matter into inorganic substances.
D. Humification IV. Dead remains of plants and animals including fecal matter
Choose the correct answer from the options given below:
A

A-IV, B-III, C-I, D-II

B

A-III, B-IV, C-II, D-I

C

A-I, B-II, C-III, D-IV

D

A-III, B-II, C-I, D-IV

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Ecological pyramids represent the relationship between the organisms at different trophic levels and they are generally inverted for:

A

Pyramid of number in grassland

B

Pyramid of energy in pond ecosystem

C

Pyramid of biomass in grassland

D

Pyramid of biomass in sea

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

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

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