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Organisms represented at the top of an a...

Organisms represented at the top of an age pyramid are

A

Pre-reproductive

B

Reproductive

C

t-reproductive

D

Producers

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The correct Answer is:
C
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AAKASH SERIES-ORGANISMS AND POPULATIONS-EXERCISE-I (POPULATIONS)
  1. In a pond three were 400 frogs last year and through reproduction 200 ...

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

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

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

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  5. In a growing population, which age group includes a large number of in...

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  6. Tatal number of individuals per unit area of unit volume is called

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

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  8. Choose the incorrect statement.

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  9. The size of a population increases if

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  10. Which of the following factor has a negative effect on the population ...

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

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  12. Exponential growth is observed in a population when

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  13. In population, per capita birth rate is 0.15 and per capita death rate...

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  14. The maximum possible number of individuals that a hahitat can support ...

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

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

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  17. In the equation N(t)=N(0)e^(tt),'e' is

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

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

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  20. Rather than the number of individuals, the per cent cover or biomass i...

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