Population Attributes-Growth, Birth Rate and Death Rate, Age Distribution NEET Questions

Biology - Ecology and Environment

Population Attributes-Growth, Birth Rate and Death Rate, Age Distribution MCQ Questions


13.
A pyramid-shaped (broad base, narrow apex) age pyramid indicates a population that is:
A.
Declining
B.
Expanding (growing)
C.
Stable
D.
Extinct
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ANSWER :
B. Expanding (growing)
14.
An age pyramid with roughly equal pre-reproductive, reproductive, and post-reproductive age classes (bell-shaped) represents:
A.
A growing population
B.
A migrating population
C.
A declining population
D.
A stable population
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ANSWER :
D. A stable population
15.
An age pyramid that is narrow at the base and broader at the top represents:
A.
A stable population
B.
A growing population
C.
A declining population
D.
A pioneer population
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ANSWER :
C. A declining population
16.
The three age groups commonly shown in an age pyramid are:
A.
Infant, adult, and elder
B.
Pre-reproductive, reproductive, and post-reproductive
C.
Embryonic, larval, and adult
D.
Juvenile, mature, and senior
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ANSWER :
B. Pre-reproductive, reproductive, and post-reproductive
17.
Which population status is indicated by an age pyramid with a very broad base and narrow top?
A.
Endangered
B.
Rapidly growing/expanding
C.
Stable
D.
Declining
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ANSWER :
B. Rapidly growing/expanding
18.
The shape of an age pyramid reflects:
A.
The geographical distribution of population
B.
The growth status of the population
C.
The genetic diversity
D.
The carrying capacity
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ANSWER :
B. The growth status of the population