Q.

If in a pond there are 40 lotus plants last year and through reproduction 10 new plants are added, taking the current population to 50. The birth rate is 

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a

0.25 offspring per lotus per year

b

0.5 offspring per total population per year

c

0.25 offspring per lotus per day

d

0.25 offspring per total population per year

answer is A.

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Detailed Solution

Birth rate = 1040=0.25

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