KC+CET PYQs for Ecology and Environment with Solutions: Practice KCET Previous Year Questions

Updated on - Feb 16, 2026

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

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

KCET PYQs for Ecology and Environment with Solutions

1.
Match Column-I with Column-II. Select the option with correct combination.
Column-I Column-II
1. Standing state p. Mass of living material at a given time.
2. Pioneer species q. Amount of nutrients in the soil at a given time.
3. Detritivores r. Species that invade a bare area.
4. Standing crop s. Breakdown detritus into smaller particles.

1-p, 2-s, 3-r, 4-q
1-q, 2-r, 3-p, 4-s
1-p, 2-r, 3-s, 4-q
1-q, 2-r, 3-s, 4-p

View Solution

2.
The correct equation depicting species-area relationship is
- log S = log C + Z log A
- log C = log S + Z log A
- log A = log C + Z log S
- log Z = log C + S log A
View Solution
3.
According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows,
- No variation from year-to-year.
- Less variation from year-to-year.
- High variation from year-to-year.
- Average variation from year-to-year.
View Solution
4.
With respect to limitation of Ecological pyramids, which of the following statements are correct? a) It does not take into account the same species belonging to two or more trophic levels. b) It assumes a simple food chain, something that almost never existed in nature. c) It accommodates saprophytes. d) It does not accommodate a food web. Choose the correct answer from the options given below.
- c and d
- a, b and d
- a and b
- b and c
View Solution
5.
According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes
- Niche specialization and lesser species diversity
- Niche specialization and greater species diversity
- Niche diversity and lesser species specialization
- Niche diversity and greater species specialization
View Solution
6.
Identify the incorrect statement.
1. Speciation is generally a function of time.
2. Trophical environment is less seasonal, relatively more constant and predictable.
3. Solar energy contributes to high productivity
4. Temperate regions have remained relatively undisturbed for millions of years.
- 1, 2, 3, 4
- 2, 3
- Only 4
- 3, 4
View Solution
7.
Choose the correct sequence of steps involved in decomposition
- Fragmentation $\rightarrow$ Mineralisation $\rightarrow$ Humification $\rightarrow$ Leaching $\rightarrow$ Catabolism
- Fragmentation $\rightarrow$ Leaching $\rightarrow$ Catabolism $\rightarrow$ Humification $\rightarrow$ Mineralisation
- Fragmentation $\rightarrow$ Catabolism $\rightarrow$ Leaching $\rightarrow$ Humification $\rightarrow$ Mineralisation
- Fragmentation $\rightarrow$ Leaching $\rightarrow$ Catabolism $\rightarrow$ Mineralisation $\rightarrow$ Humification
View Solution

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

KCET PYQs for Ecology and Environment with Solutions

2.
The correct equation depicting species-area relationship is

3.
According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows,

5.
According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes

6.
Identify the incorrect statement.
1. Speciation is generally a function of time.
2. Trophical environment is less seasonal, relatively more constant and predictable.
3. Solar energy contributes to high productivity
4. Temperate regions have remained relatively undisturbed for millions of years.

7.
Choose the correct sequence of steps involved in decomposition

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Column-I		Column-II
1.	Standing state	p.	Mass of living material at a given time.
2.	Pioneer species	q.	Amount of nutrients in the soil at a given time.
3.	Detritivores	r.	Species that invade a bare area.
4.	Standing crop	s.	Breakdown detritus into smaller particles.

KCET PYQs for Ecology and Environment with Solutions

2.The correct equation depicting species-area relationship is

3.According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows,

5.According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes

6.Identify the incorrect statement.1. Speciation is generally a function of time.2. Trophical environment is less seasonal, relatively more constant and predictable.3. Solar energy contributes to high productivity4. Temperate regions have remained relatively undisturbed for millions of years.

7.Choose the correct sequence of steps involved in decomposition

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2.
The correct equation depicting species-area relationship is

3.
According to David Tilman's long term ecosystem experiments, the total biomass in plots with more species shows,

5.
According to the hypothesis proposed by environmental biologists, a relatively constant environment in tropics promotes

6.
Identify the incorrect statement.
1. Speciation is generally a function of time.
2. Trophical environment is less seasonal, relatively more constant and predictable.
3. Solar energy contributes to high productivity
4. Temperate regions have remained relatively undisturbed for millions of years.

7.
Choose the correct sequence of steps involved in decomposition