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.
In logistic growth, population growth is slow at?
A.
Exponential phase
B.
Lag phase
C.
Stationary phase
D.
Accelerating phase
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ANSWER :
B. Lag phase
14.
An expanding population pyramid will have?
A.
A broad base
B.
Narrow base
C.
Bell shape
D.
None
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ANSWER :
A. A broad base
15.
Exponential growth of a population occurs when?
A.
Resources are unlimited
B.
Resources are limited
C.
Competition is high
D.
Predation is absent
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ANSWER :
A. Resources are unlimited
16.
Carrying capacity is mostly determined by?
A.
Natality
B.
Availability of resources
C.
Birth rate
D.
Mortality
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ANSWER :
B. Availability of resources
17.

What causes population explosion?

NEET - 2017

A.

Increased birth rate and decreased death rate

B.

High mortality

C.

Increased emigration

D.

Low natality

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ANSWER :

A. Increased birth rate and decreased death rate

18.
The ability of a population to increase under ideal environmental conditions is called?
A.
Biotic potential
B.
Carrying capacity
C.
Natality
D.
Immigration
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ANSWER :
A. Biotic potential