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Study the following flow chart and choos...

Study the following flow chart and choose the correct option.

A

'B' and '0' cause a positive change while 'I' and 'E' cause a negative change in 'N'

B

If a new habitat is just being colonised, 'B' may contribute more significantly to 'N' than 'I'

C

'N' will increase only when (B+I) is greater than (D+E)

D

'B' and 'I' are most influential factors under normal conditions while 'D' and 'E' assume importance only under special conditions

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The correct Answer is:
B
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AAKASH SERIES-ORGANISMS AND POPULATIONS-EXERCISE-I (POPULATIONS)
  1. In logistic growth curve, the initial stage of the curve is called

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

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

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

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  5. Why is Nostoc used as a biofertiliser?

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

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  7. Population density is the

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  8. An age pyramid illustrates

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

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

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  11. What is Rhizobium?

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

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  13. Study the following flow chart and choose the correct option.

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  14. What does 'K' represent in the equation given below? (dN)/(dt)=rN((K...

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  15. Which of the following statements is correct ?

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  16. What does 'e' represent in the integral form of exponential growth equ...

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

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  18. Which of the following equations correctly represents Verhulst-Pearl l...

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  19. The integral form of exponential growth equation will be

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  20. Match the terms column-I with column-II

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