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

Last updated at Dec. 13, 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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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo