CUET-PG SERIES Environmental-sciences
Ecology And Environment
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
8
2024 Chapter Questions 8 MCQs
01
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Match List I with List II:
Choose the correct answer from the options given below:
| LIST I - Ecological Parameters | LIST II - Unit of Measurement |
|---|---|
| A. Net primary productivity | I. g/m2 |
| B. Absorbed photosynthetically active radiation | II. g/L |
| C. Phosphorus | III. Joules/area/year |
| D. Plant biomass | IV. gC/area/year |
1
(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
2
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
3
(A) - (II), (B) - (III), (C) - (IV), (D) - (I)
4
(A) - (III), (B) - (IV), (C) - (I), (D) - (II)
02
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
The main limiting factors for both plants and animals on a global scale are:
A. Fire
B. pH
C. Temperature
D. Moisture
Choose the correct answer from the options given below:
A. Fire
B. pH
C. Temperature
D. Moisture
Choose the correct answer from the options given below:
1
(A) and (B) only
2
(B) and (C) only
3
(C) and (D) only
4
(A) and (D) only
03
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Island communities are a special case in community dynamics in which species makeup is driven by interaction between:
A. Predator abundance
B. Disturbance
C. Colonization
D. Extinction
Choose the correct answer from the options given below:
A. Predator abundance
B. Disturbance
C. Colonization
D. Extinction
Choose the correct answer from the options given below:
1
(A) and (B) only
2
(B) and (C) only
3
(C) and (D) only
4
(A) and (D) only
04
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Arrange the stages by which a species becomes invasive in an area:
A. Introduced
B. Established
C. Pest
D. Imported
Choose the correct answer from the options given below:
A. Introduced
B. Established
C. Pest
D. Imported
Choose the correct answer from the options given below:
1
(A), (B), (C), (D)
2
(D), (B), (A), (C)
3
(D), (A), (B), (C)
4
(C), (B), (A), (D)
05
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Polar species tend to have longer geographical ranges than tropical species in many taxonomic groups. This is generally known as:
1
Hanski’s rule
2
Rapoport’s rule
3
Theory of island biogeography
4
Allee effect
06
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Match List I with List II:
Choose the correct answer from the options given below:
| List I (Interaction) | List II (Species A, Species B) |
|---|---|
| A. Amensalism | I. +, − |
| B. Predation | II. −, − |
| C. Commensalism | III. +, 0 |
| D. Competition | IV. −, 0 |
1
(A) - (III), (B) - (IV), (C) - (I), (D) - (II)
2
(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
3
(A) - (III), (B) - (I), (C) - (IV), (D) - (II)
4
(A) - (IV), (B) - (I), (C) - (III), (D) - (II)
07
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
Match List I with List II:
Choose the correct answer from the options given below:
| LIST I (Aquaculture system) | LIST II (Potential Environmental Impact) |
|---|---|
| A. Coastal Pond | I. Transfer of diseases |
| B. Inland Pond | II. Introduction of exotic species |
| C. Mollusk Culture | III. Destruction of mangroves |
| D. Net Pen/Cage | IV. Degradation of land |
1
(A) - (III), (B) - (II), (C) - (IV), (D) - (I)
2
(A) - (I), (B) - (IV), (C) - (III), (D) - (II)
3
(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
4
(A) - (IV), (B) - (I), (C) - (II), (D) - (III)
08
PYQ 2024
medium
environmental-sciences ID: cuet-pg-
The process that results in a chemical becoming increasingly concentrated at successive higher trophic levels in a food web is referred to as:
1
Bioconcentration
2
Bioconcentration factor
3
Bioaccumulation
4
Biomagnification