Choose the wrong pair

Divergent evolution - Fore limbs of whales, bats, cheetah and human

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Convergent evolution - Flippers of penguins and dolphins

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Homologous structures - Vertebrate hearts

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Analogous structures - Tendril of Bougainvillea and Cucurbita

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Adaptive radiations - Darwin's Cinches

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Solution

The correct option is D Analogous structures - Tendril of Bougainvillea and Cucurbita
Homologous organs are the organs which have similar structure and different function and have the same developmental origin.
Both the thorns of bougainvillea and tendrils of Cucurbita origin from the stem and are modified from the auxiliary buds but their functions are different. Hence they are homologous organs.
Hence Thorns of Bougainvillea and tendril of Cucurbita are not analogous organs.
So, the correct answer is 'Option D'.

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Similar questions

Q. How many of the following develops as a result of divergent evolution i.e. the same structure developed along with different directions due to adaptation to different needs?

(a) Sweet potato and potato
(b) Thorn of Bougainvillea and tendril of Cucurbita
(c) Flippers of penguin and dolphin
(d) Wings of bat and flippers of the whale
(e) Eyes of octopus and mammals
(f) The sting of honey bee and scorpion

Choose the correct statement(s) with reference to organic evolution.
I. Flippers of whales and wings of bats exhibit analogy.
II. Wings of butterflies and wings of birds exhibit homology.
III. Organs with dissimilar structures, performing similar functions are called analogous organs.
IV. Organs with similar structure and origin are called homologous organs.

Q. (a) Select the homologous structures from the combinations given below.
(i) Forelimbs of whales and bats
(ii) Tuber of potato and sweet potato
(iii) Eyes of octopus and mammals
(iv) Thorns of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent.

Q. Identify the examples of convergent evolution from the following.
(i) Flippers of penguins and dolpins
(ii) Eyes of octopus and mammals
(iii) Vertebrate brains

State the kind of evolution they represent.

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