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Biology · PYQ NEET UG 2016(1)

हिन्दी

When does the growth rate of a population following the logistic model equal zero? The logistic model is given as \( dN/dt = rN(1 - N/K) \)

  1. when N/K equals zero
  2. when N/K is exactly one
  3. when death rate is greater than birth rate
  4. when N nears the carrying capacity of the habitat

Correct answer · Option 2

when N/K is exactly one

Explanation

In the logistic growth equation \( dN/dt = rN(1 - N/K) \), when \( N = K \), \( N/K = 1 \), making \( 1 - N/K = 0 \), so \( dN/dt = 0 \).
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