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Which of the following factors has a neg...

Which of the following factors has a negative effect on the population growth rate ?

A

Emigration

B

Birth rate

C

Immigration

D

Natality

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The correct Answer is:
A
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AAKASH SERIES-ORGANISMS AND POPULATIONS-EXERCISE-I (POPULATIONS)
  1. Choose the incorrect statement.

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  2. The size of a population increases if

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  3. Which of the following factors has a negative effect on the population...

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  4. In a population of a habitat in one year 200 births, 150 deaths, 200 e...

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  5. Exponential growth is observed in a population when

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  6. In a population per capita birth rate is 0.15 and per capita death rat...

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  7. The maximum possible number of individuals that a habitat can support ...

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  8. The phase of the population growth where natality is equal to mortalit...

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  9. In logistic growth curve, the initial stage of the curve is called

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  10. In the equation N(t)=N(0)e^(rt),'e' is

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  11. Which of the following is an incomplete count to estimate population d...

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  12. A population has more young individuals compared to the older individu...

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  13. Why is Nostoc used as a biofertiliser?

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  14. Percentage of individuals of a given age group in a given population i...

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  15. Population density is the

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  16. An age pyramid illustrates

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  17. Read the following statements and select the correct option: (a) Age...

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  18. Identify the status of the populations X, Y and Z whose age pyramids a...

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  19. What is Rhizobium?

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  20. Which of the following factors would not limit the growth of a populat...

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