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Multiple Choice Questions on Population Ecology - Human Population

1. A population is a group of 
Population
a)  individuals in a species
b) species in a community
c) communities in an ecosystem
d) individuals in a family

2.What is the most important factor for the success of animal population?
a) natality
b) adaptability
c) unlimited food
d) inter species activity

3. The formula for exponential population growth is
a) dN/dt = rN
b) dt/dN = rN
c) dN/rN = dt
d) rN/dN = dt

4. Human population growth curve is a:
a) S shaped curve
b) parabola curve
c) J shaped curve
d) zig zag curve

5. Exponential growth occurs when there is 
a) a great environmental resistance
b) no environmental resistance
c)  no biotic potential
d)  a fixed carrying capacity

6. A human population is small, there is a greater chance of :
a) gene flow
b) genetic drift
c) natural selection
d) mutation

7. In a population, unrestricted reproductive capacity is called as 
a) carrying capacity
b) biotic potential
c) birth rate
d) fertility rate


8. The concept that 'population tends to increase geometrically while food supply increases arithmetically’ was put forward by
a) Adam Smith
b) Charles Darwin
c) Thomas Malthus
d) Stuart Mill

9. Two opposite forces operate in the growth and development of every population. One of them is related to the ability to reproduce at a given rate. The force opposite to it is called
a) fecundity
b) mortality
c) environmental resistances 
d) biotic control

10. The carrying capacity of a population is determined by its 
a) population growth rate
b) natality
c) mortality
d) limiting resources 
Answers
1. a) individuals in a species
2. b) adaptability
3. a) dN/dt = rN
4. c) J shaped curve
5. b) no environmental resistance
6. b) genetic drift
7. c) environmental resistances 
8. c) Thomas Malthus
9. b) biotic potential
10. d) limiting resources