Which sentence best explains the difference in position between the curve for r

Question

Which sentence best explains the difference in position between the curve for r = 1.00 and the curve for r = 0.25?


The r = 1.00 curve adds a smaller multiple of the population size at each time interval than does the r = 0.25 curve. The r = 1.00 curve adds a multiple of the population size at each time interval and the r = 0.25 curve adds the same number each time. The r = 1.00 curve adds a larger multiple of the population size at each time interval than does the r = 0.25 curve. The r = 1.00 curve adds the same number to the population size at each time interval; the r = 0.25 curve adds the same number, but a smaller number, each time. The r = 1.00 curve adds the same number to the population size at each time interval; the r = 0.25 curve adds the same number, but a larger number, each time.

Explanation / Answer

The answer will be the r = 1.00 curve adds a larger multiple of the population size at each time interval than does the r = 0.25 curve (Option 3).

Explanation: The graph can be compare as a typical bacterial growth curve in which lag phase & log phase is shown. In log phase population increases exponentially; but in lag phase population almost remain same. So, it's not possible to add the same number to the population size at each time interval. Thus, we can ignore option 4 & 5. As the two graphs aren't identical so it's not possible to add the same number each time in both curves. Thus, we can ignore option 2. We can clearly see from the graph that population size increases in less time for r = 1.00 curve than r = 0.25 curve. Thus, r = 1.00 curve adds a larger multiple of the population size at each time interval than does the r = 0.25 curve. So, the correct option is 3.

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