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Q. No.Species found only in a given region and nowhere else in the world are called
A. Regiodemic
B. Demographic
C. Pandemic
D. Endemic
E. Epidemic
Choose the correct answer from the options given below
1. B only
2. B and E only
3. D only
4. A, C and D only
Subtopic: Population Characters: Density | Population Dynamic |
71%
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Which property of the water molecular enables it to function as a moderator of temperature for living organisms?
A. High specific heat
B. High heat of vaporization
Select the correct option from the following:
1. A only
2. B only
3. Both A and B
4. Neither A nor B
A. High specific heat
B. High heat of vaporization
Select the correct option from the following:
1. A only
2. B only
3. Both A and B
4. Neither A nor B
Subtopic: Adaptations (OLD NCERT) |
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Given below are two statements:
Statement I: A population growing in a habitat with limited resources show logistic growth.
Statement II: Any species growing under unlimited resource conditions can reach enormous population densities in a short time.
In the light of the above statements, choose the appropriate answer from the options given below
1. Both statements I and Statement II are true
2. Both statement I and Statement II are false
3. Statement is true but Statement II is false
4. Statement I is false but statement II is true
Statement I: A population growing in a habitat with limited resources show logistic growth.
Statement II: Any species growing under unlimited resource conditions can reach enormous population densities in a short time.
In the light of the above statements, choose the appropriate answer from the options given below
1. Both statements I and Statement II are true
2. Both statement I and Statement II are false
3. Statement is true but Statement II is false
4. Statement I is false but statement II is true
Subtopic: Population: Exponential Growth Model | Population: Logistic Growth Model |
88%
From NCERT
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Two butterfly species are competing for the same nectar of a flower in a garden. To survive and coexist together, they may avoid competition in the same garden by:
1. feeding at the same time.
2. choosing different foraging patterns.
3. increasing time spent on attacking each other.
4. predating on each other.
1. feeding at the same time.
2. choosing different foraging patterns.
3. increasing time spent on attacking each other.
4. predating on each other.
Subtopic: Population Interactions: Competition |
89%
NEET - 2022
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NEET 2025 - Target Batch
Hints
Given below are two statements
Statement I: The interaction in which one species is benefitted and the other species is neither commensals benefitted is commensalism.
Statement II: commensal, commensalism have evolved certain defense mechanisms against predators.
In light of the above statements, choose the most appropriate answer from the options given below
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Statement I: The interaction in which one species is benefitted and the other species is neither commensals benefitted is commensalism.
Statement II: commensal, commensalism have evolved certain defense mechanisms against predators.
In light of the above statements, choose the most appropriate answer from the options given below
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Subtopic: Population Interactions: Predation | Population Interactions: Commensalism, Protocooperation & Mutualism |
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Arrange in correct sequence of the levels of biological organization
A. Ecosystem
B. Community
C. Population
D. Organism
E. Biosphere
Choose the correct from the options given below
1. B>A>C>D>E
2. D>C>A>B>E
3. D>C>B>A>E
4. A>B>D>C>E
A. Ecosystem
B. Community
C. Population
D. Organism
E. Biosphere
Choose the correct from the options given below
1. B>A>C>D>E
2. D>C>A>B>E
3. D>C>B>A>E
4. A>B>D>C>E
Subtopic: Introduction to Ecology | Introduction to the Chapter |
86%
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Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Ecotherms are able to remain active under cold conditions.
Reason R: This happens because they are able to maintain a constant internal temperature, even when the temperature outside fluctuates.
In light of the above statements, choose the most appropriate answer from the options given below
1. Both A and R are correct and R is the correct explanation of A
2. Both A and R are correct but R is NOT the correct explanation of A
3. A is correct but R is not correct
4. A is not correct but R is correct
Assertion A: Ecotherms are able to remain active under cold conditions.
Reason R: This happens because they are able to maintain a constant internal temperature, even when the temperature outside fluctuates.
In light of the above statements, choose the most appropriate answer from the options given below
1. Both A and R are correct and R is the correct explanation of A
2. Both A and R are correct but R is NOT the correct explanation of A
3. A is correct but R is not correct
4. A is not correct but R is correct
Subtopic: Abiotic Factors: Temperature (OLD NCERT) |
64%
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Match List I with List II
Choose the correct answer from the options given below:
1. A-IV, B-I, C-III, D-II
2. A-II, B-III, C-IV, D-I
3. A-III, B-II, C-I, D-IV
4. A-III, B-I, C-IV, D-II
| List I | List II |
| A. Aposematic coloration | I. Cuckoo bee |
| B. Batesian mimicry | II. Hawkmoth larva |
| C. Mullerian mimicry | III. Poison dart frog |
| D. Cryptic coloration | IV. Canyon tree frog |
1. A-IV, B-I, C-III, D-II
2. A-II, B-III, C-IV, D-I
3. A-III, B-II, C-I, D-IV
4. A-III, B-I, C-IV, D-II
Subtopic: Adaptations (OLD NCERT) |
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If you go to the countryside, you often see the 'cattle egret' forage close to where the cattle are grazing. The egret catches insects that flush out from the vegetation due to the moving cattle. The interaction between the egret and cattle is considered as
1. Mutualism
2. Amensalism
3. Competition
4. Commensalism
1. Mutualism
2. Amensalism
3. Competition
4. Commensalism
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
88%
From NCERT
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Select correct combinations
A. Water Potential = Solute Potential + Pressure Potential
B. Respiratory quotient (RQ) = Volume of CO2 evolved/Volume of consumed CO2
C. DNA
mRNA 
protein
D. Population density at time Nt+1=Nt+[(B+I)-(D+E)]
E. GPP - R =NPP (Net Primary Productivity)
Choose the correct answer from the options given below:
1. A, B, C only
2. C, D, E only
3. A, D, E only
4. A, C, E only
A. Water Potential = Solute Potential + Pressure Potential
B. Respiratory quotient (RQ) = Volume of CO2 evolved/Volume of consumed CO2
C. DNA
mRNA proteinD. Population density at time Nt+1=Nt+[(B+I)-(D+E)]
E. GPP - R =NPP (Net Primary Productivity)
Choose the correct answer from the options given below:
1. A, B, C only
2. C, D, E only
3. A, D, E only
4. A, C, E only
Subtopic: Population Characters: Density | Population Characters: Natality & Mortality |
78%
From NCERT
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