1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?
A
The food plants mature and die at the end of the rainy season
B
The population of its predators increases enormously
C
Its population growth curve is of J-type
D
S-shaped or sigmoid growth of this insect
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Geometric representation of age structure is a characteristic of :-
A
Biotic community
B
Landscape
C
Ecosystem
D
Population
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The formula for exponential population growth is-
A
dN/dt = rN
B
dt/dN = rN
C
rN/dN = dt
D
dN/rN = dt
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Niche overlap indicates-
A
Sharing of one or more resources between the two species
B
Mutualism between two species
C
Active cooperation between two species
D
Two different parasites on the same host

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