Questions  

Which one of the following options gives one correct example each of divergent evolution and convergent evolution?

           Divergent evolutionConvergent evolution
(1)Thorn of Bougainvillea and tendril of CucurbitaSweet potato and potato
(2)Potato and gingerRadish and carrot
(3)Sweet potato and potatoThorn of Bougainvillea and tendril of Cucurbita
(4)Thorns of pomegranate and spines of prickly pearScales of onion and spines of prickly pear

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a
1
b
2
c
3
d
4
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detailed solution

Correct option is A

The thorn and tendrils of Bougainvillea and Cucurbita represent homology. Homology is based on divergent evolution.Sweet potato (root modification) and potato (stem modification) is another example for analogy. Hence support convergent evolution.

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