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If a population of 50 paramecium presen...

If a population of 50 paramecium present in a pooll increases to 150 after an hour, what would be the growth rate of population?

A

50 per hour

B

200 per hour

C

5 per hour

D

100 per hour

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The correct Answer is:
D
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AAKASH SERIES-ORGANISMS AND POPULATIONS-EXERCISE-I (POPULATIONS)
  1. Population ecology is an important area because it links ecology to

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  2. If a population of 50 paramecium present in a pooll increases to 150 ...

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  3. What would be the per cent growth or birth rate per individual per hou...

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

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  5. What parameters are used for tiger census in our country's national pa...

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  6. Which of the following would necessarily decrease the density of a pop...

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  7. A protozoan reporduces by binary fission. What will be the number of p...

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  8. In 2005, for each of the 14 million people present in a country, 0.028...

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  9. Which one of the following organisms reproduces sexually only once in ...

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  10. The number of new individuals produced in a unit time, per unit popula...

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  11. In a pond there were 400 frogs last year and through reproduction 200 ...

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  12. The status ofa population, whether it is growing, stable, or declining...

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  13. Organisms represented at the top of an age pyramid are

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  14. In an age pyramid, which age group is represented at the bottom ?

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  15. In a growing population of a country.

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  16. Total number of individuals per unit area of unit volume is called

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  17. In a population of 2,500 whose intrinsic rate of natural increase (r) ...

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  18. Choose the incorrect statement.

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  19. The size of a population increases if

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

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