Zoology - Organisms and Populations Question with Solution | TestHub

ZoologyOrganisms and PopulationsPopulationsEasy2 minPYQ_2020
ZoologyEasysingle choice

Dr. John is a botanist, he is experimenting with exotic species of rose plantRosa polyantha.He started with 40 plants, after a year 22 more plants were added through reproduction but also 14 plants died during the experimentation. Which of the following statements are correct?

1.The death rate is0.35 %per year

2.The birth rate is0.55% per rose per year

3.The birth rate is0.55 %per year

4.The death rate is0.35%per rose per year

Options:

Answer:
B
Solution:

By applying the formula: Birth rate = No. of births / Total population=224 = 0.55per rose per year or55%per year. Death rate = No. of Deaths / Total population=1440 = 0.35per rose per year or35%per year. These rates are referred as per capita birth and death rates in a population.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Organisms and PopulationsSubtopic:Populations
⏱ 2mℹ️ Source: PYQ_2020

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