Question 9 - Biology - CBSE Class 12 Sample Paper for 2023 Boards - Solutions - Solutions to CBSE Sample Paper - Biology Class 12

Last updated at April 16, 2024 by

Swathi was growing a bacterial colony in a culture flask under ideal laboratory conditions where the resources are replenished. Which of the following equations will represent the growth in this case?

(Where population size is N, birth rate is b, death rate is d, unit time period is t, and carrying capacity is K).

  1. dN/dt = KN
  2. dN/dt = r N
  3. dN/dt = r N(K-N/K)
  4. dN/dt = r N(K+N/K)

 

Answer:

b. dN/dt = r N

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