NEET-UG SERIES
Biology

Ecology

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

4
2025

Chapter Questions
4 MCQs

01
PYQ 2025
easy
biology ID: neet-ug-
Match List - I with List II
List IList II
A. The Evil QuartetIII. Causes of biodiversity losses
B. Ex situ conservationI. Cryopreservation
C. Lantana camaraII. Alien species invasion
D. DodoIV. Extinction
1
A-III, B-I, C-II, D-IV
2
A-III, B-II, C-I, D-IV
3
A-III, B-II, C-IV, D-I
4
A-III, B-II, C-I, D-IV
%This option is repeated in original.
02
PYQ 2025
hard
biology ID: neet-ug-
Which of the following is the unit of productivity of an Ecosystem?
1
KCal m
2
KCal m yr
3
(KCal m ) yr
4
gm yr
03
PYQ 2025
hard
biology ID: neet-ug-
Given below are two statements:
Statement I: Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.
Statement II: Fig wasp and fig tree exhibit a mutual relationship as the fig wasp completes its life cycle in the fig fruit and the fig fruit gets pollinated by the fig wasp.
1
Both statement I and statement II are incorrect.
2
Statement I is correct but statement II is incorrect.
3
Both statement I and statement II are correct.
4
Statement I is incorrect but statement II is correct.
04
PYQ 2025
medium
biology ID: neet-ug-
Given below are two statements:
Statement I: In an ecosystem, there is unidirectional flow of energy of sun from producers to consumers.
Statement II: Ecosystems are exempted from the law of thermodynamics.
1
Both Statement I and Statement II are incorrect.
2
Statement I is correct but Statement II is incorrect.
3
Statement I is incorrect but Statement II is correct.
4
Both Statement I and Statement II are correct.