Question

Increased $IMR$ and decreased $MMR$ in a population will

• A. cause rapid increase in growth rate
• B. result in decline in growth rate
• C. not cause significant change in growth rate
• D. result in an explosive population

Answer 1

Answer: (C)

not cause significant change in growth rate

Answer 2

i) If IMR has been increased then it will result in a decline in growth rate. ii) While decreased MMR will cause a rapid increase in growth rate. iii) Therefore, in the above situation, if IMR has been increased and MMR has been decreased in a population, it will not cause any significant change in growth rate.