CUET-UG SERIES Biology
Ecosystems
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
1
2024 6
2023 Chapter Questions 7 MCQs
01
PYQ 2023
medium
biology ID: cuet-ug-
In an ecosystem, the vertical distribution of different species occupying different levels is called.
1
Seral stage
2
Stratification
3
Trophic level
4
Standing crop
02
PYQ 2023
medium
biology ID: cuet-ug-
The "River Popper Hypothesis" was given by.
1
Alexander von Humboldt
2
Paul Ehrlich
3
Edward Wilson
4
David Tilman
03
PYQ 2023
medium
biology ID: cuet-ug-
Identify the statement which are not true for the natural ecosystem
(A) Grassland and desert are example of terrestrial ecosystem.
(B) Oceans and rivers are man-made ecosystems.
(C) Wetland and estuary are examples of aquatic ecosystem.
(D) Crop fields and aquarium are natural ecosystems.
Choose the correct answer from the option given below
(A) Grassland and desert are example of terrestrial ecosystem.
(B) Oceans and rivers are man-made ecosystems.
(C) Wetland and estuary are examples of aquatic ecosystem.
(D) Crop fields and aquarium are natural ecosystems.
Choose the correct answer from the option given below
1
(A) and (C) only
2
(B) and (C) only
3
(A) and (B) only
4
(B) and (D) only
04
PYQ 2023
medium
biology ID: cuet-ug-
The unit of Productivity in terms of energy is :
1
2
[ ]
3
[ ]
4
[ ]
05
PYQ 2023
medium
biology ID: cuet-ug-
Which of the following ecosystem is most productive in terms of net primary productivity?
1
Deserts
2
ONC Estuaries
3
Tropical rain forests
4
Oceans
06
PYQ 2023
medium
biology ID: cuet-ug-
Match LIST I with LIST II
Choose the correct answer from the options given below
LIST I | LIST II | ||
| A | Dodo | I | Africa |
| B | Quagga | II | Russia |
| C | Thylacine | III | Mauritius |
| D | Stellar Sea Cow | IV | Australia |
1
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
2
(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
3
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
4
(A)-(II). (B)-(I). (C)-(IV), (D)-(III)
07
PYQ 2024
medium
biology ID: cuet-ug-
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Concepts) | List-II (Explanation) |
|---|---|
| (A) Standing state | (IV) Amount of mineral nutrients in the soil at a given time |
| (B) Secondary productivity | (II) Rate of formation of organic matter by consumers |
| (C) Standing crop | (III) Mass of living matter in a trophic level at a given time |
| (D) Net primary productivity | (I) Available biomass for the consumption of heterotrophs |
1
(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
2
(A) - (II), (B) - (I), (C) - (III), (D) - (IV)
3
(A) - (IV), (B) - (II), (C) - (III), (D) - (I)
4
(A) - (IV), (B) - (I), (C) - (III), (D) - (II)