CUET PYQs for Ecology and Environment with Solutions: Practice CUET Previous Year Questions

Content Writer | Journalism Graduate | Updated 3+ months ago

Ecology and Environment is an important topic in the Biology section in CUET exam. Practising this topic will increase your score overall and make your conceptual grip on CUET exam stronger.

This article gives you a full set of CUET PYQs for Ecology and Environment with explanations for effective preparation. Practice of CUET Biology PYQs including Ecology and Environment questions regularly will improve accuracy, speed, and confidence in the CUET 2026 exam.

CUET PYQs for Ecology and Environment with Solutions

1.
Which of the following equation is correct about Verhulst-Pearl Logistic Growth?
- \( \frac{dN}{dt} = (h - d) \frac{K - N}{K} \)
- \( \frac{dN}{dt} = rN \frac{N - K}{K} \)
- \( \frac{dN}{dt} = rN \frac{K - N}{K} \)
- \( \frac{dN}{dt} = (h - d) \frac{N - K}{K} \)
View Solution
2.
Two closely related species can co-exist indefinitely and violate Gause’s ‘Competitive Exclusion Principle’ by:
- Eliminating the inferior species.
- Resource partitioning.
- Interacting with each other symbiotically.
- Changing the area of grazing.
View Solution
3.
Ex-situ conservation includes:
- Biosphere reserves
- National parks
- Wildlife sanctuaries
- Seed banks
View Solution
4.
In which ecosystem is the biomass of primary consumers greater than producers?
- Forests
- Grassland
- Desert
- Sea
View Solution
5.
Match List-I with List-II:
List-I (Recent Extinction) List-II (Place)
(A) Dodo (I) Africa
(B) Quagga (II) Russia
(C) Thylacine (III) Mauritius
(D) Steller’s Sea Cow (IV) Australia
Choose the correct answer from the options given below:
- (A) - (I), (B) - (III), (C) - (II), (D) - (IV)
- (A) - (II), (B) - (III), (C) - (IV), (D) - (I)
- (A) - (III), (B) - (I), (C) - (IV), (D) - (II)
- (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
View Solution
6.
Which of the following gas is found in the Stratosphere?
- Ozone
- Carbon dioxide
- Methane
- Hydrogen
View Solution
7.
In which of the following units is thickness of ozone layer measured?
- Dobson
- Joule
- Newton
- Decibel
View Solution

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List-I (Recent Extinction)	List-II (Place)
(A) Dodo	(I) Africa
(B) Quagga	(II) Russia
(C) Thylacine	(III) Mauritius
(D) Steller’s Sea Cow	(IV) Australia

CUET PYQs for Ecology and Environment with Solutions

1.Which of the following equation is correct about Verhulst-Pearl Logistic Growth?

2.Two closely related species can co-exist indefinitely and violate Gause’s ‘Competitive Exclusion Principle’ by:

3.Ex-situ conservation includes:

4.In which ecosystem is the biomass of primary consumers greater than producers?

5.Match List-I with List-II:List-I (Recent Extinction)List-II (Place)(A) Dodo(I) Africa(B) Quagga(II) Russia(C) Thylacine(III) Mauritius(D) Steller’s Sea Cow(IV) AustraliaChoose the correct answer from the options given below:

6.Which of the following gas is found in the Stratosphere?

7.In which of the following units is thickness of ozone layer measured?

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1.
Which of the following equation is correct about Verhulst-Pearl Logistic Growth?

2.
Two closely related species can co-exist indefinitely and violate Gause’s ‘Competitive Exclusion Principle’ by:

3.
Ex-situ conservation includes:

4.
In which ecosystem is the biomass of primary consumers greater than producers?

5.
Match List-I with List-II:
List-I (Recent Extinction) List-II (Place)
(A) Dodo (I) Africa
(B) Quagga (II) Russia
(C) Thylacine (III) Mauritius
(D) Steller’s Sea Cow (IV) Australia
Choose the correct answer from the options given below:

6.
Which of the following gas is found in the Stratosphere?

7.
In which of the following units is thickness of ozone layer measured?