Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Organisms and Populations

Question:

Choose correct value of "intrinsic rate of natural increase " (r) for different organisms :

Options:

Norway rat = 0.015

Flour beetle = 0.12

Both A and B.

Norway rat = 0.15

Correct Answer:

Both A and B.

Explanation:

The (r) ‘intrinsic rate of natural increase’ and is a very important parameter chosen for assessing impacts of any biotic or abiotic factor on population growth.

The magnitude of r values:

  1. for the Norway rat the r is 0.015.
  2. for the flour beetle it is 0.12. 
  3. for human population in India was 0.0205.