1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
When does the growth rate of a population following the logistic model equal zero?
The logistic model is given as dN/dt = rN(1-N/K)
A
When death rate is greater than birth rate.
B
When N/K equals zero.
C
When N/K is exactly one.
D
When N nears the carrying capacity of the habitat.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
In which of the following interactions both partners are adversely affected?
A
Competition
B
Predation
C
Mutualism
D
Parasitism
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
An association of individuals of different species living in the same habitat and having functional interactions is -
A
Ecological niche
B
Ecosystem
C
Population
D
Biotic community
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
The following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for these changes is that:

AIPMT 2015 Cancelled Paper Biology - Organisms and Populations Question 67 English
A
Population B competed more successfully for food than population A
B
Population A consumed the members of population B
C
Both plant populations in this habitat decreased
D
Population A produced more offspring than population B
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