Select Question Set:
Q. No.The term that describes the maximum number of individuals a population can sustain in a given environment is:
1. Carrying capacity
2. Biotic potential
3. Limiting factor
4. Environmental resistance
Subtopic: Population Characters: Density | Population Characters: Natality & Mortality |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
You can see a concave shape in the upper part of the population pyramid shown in the given figure. This might signify:
1. High birth rates
2. Low birth rates
3. High life expectancy
4. Rapid population decline
1. High birth rates
2. Low birth rates
3. High life expectancy
4. Rapid population decline
Subtopic: Age Pyramid |
Please attempt this question first.
Hints
According to the logistics growth model, if a population overshoots its carrying capacity, what is likely to happen?
1. Population crash
2. Rapid exponential growth
3. Beginning of a new lag phase
4. Slower population growth
1. Population crash
2. Rapid exponential growth
3. Beginning of a new lag phase
4. Slower population growth
Subtopic: Population: Logistic Growth Model |
53%
Please attempt this question first.
Hints
In a symbiotic relationship between two species, one benefits and the other is unaffected. This type of relationship is described as:
| 1. | Mutualism | 2. | Commensalism |
| 3. | Parasitism | 4. | Competition |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
95%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What ecological principle has been paraphrased in the maxim "complete competitors cannot coexist"?
1. Competitive release
2. Exploitative competition
3. Interference competition
4. Competitive exclusion
1. Competitive release
2. Exploitative competition
3. Interference competition
4. Competitive exclusion
Subtopic: Population Interactions: Competition |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
| I: | In ecology, the term “niche” describes the role an organism plays in a community. |
| II: | A species’ niche encompasses both the physical and environmental conditions it requires and the interactions it has with other species. |
1. I is correct; II is correct
2. I is correct; II is incorrect
3. I is incorrect; II is correct
4. I is incorrect; II is incorrect
Subtopic: Introduction to Ecology | Organisms and its Environment |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A keystone species in a biological community:
| 1. | is the primary producer. |
| 2. | has no significant impact on the community. |
| 3. | plays a crucial role in maintaining community structure. |
| 4. | is a rare species that must be preserved immediately. |
Subtopic: Introduction to Ecology |
85%
Please attempt this question first.
Hints
The process of reciprocal evolutionary change that occurs between species or groups of species as they interact with one another is called as:
1. Character displacement
2. Coevolution
3. Competition
4. Resource partitioning
1. Character displacement
2. Coevolution
3. Competition
4. Resource partitioning
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
71%
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion(A): | The logistic growth model is considered a more realistic one for a population growing under natural conditions. |
| Reason (R): | Resources for growth for most animal populations are finite and become limiting sooner or later. |
|
1. |
Both (A) and (R) are True and (R) correctly explains (A). |
|
2. |
Both (A) and (R) are True but (R) does not correctly explain (A). |
|
3. |
(A) is True; (R) is False |
|
4. |
Both (A) and (R) are False |
Subtopic: Population: Logistic Growth Model |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Where N = Population density at time t, r = Intrinsic rate of natural increase and K = Carrying capacity, what happens when K becomes equal to N?
| 1. | the population grows in an exponential or geometric fashion |
| 2. | the population grows in an arithmetic fashion |
| 3. | the population stops growing in size |
| 4. | the population declines in size |
Subtopic: Population: Logistic Growth Model |
80%
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.