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Question

Potato and sweet potato have edible parts which are


A

Homologous

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B

Analogous

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C

Recent introductions

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D

None of the above

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Solution

The correct option is B

Analogous


The correct option is B.

Explanation of correct option:

  1. Different parts of plants and animals are modified during evolution for various reasons.
  2. The potato underground stem has evolved, allowing it to store food in the form of starch.
  3. Sweet potato roots, on the other hand, have been modified for the same purpose.
  4. The edible parts are the modified potato stem and the modified sweet potato root.
  5. Analogous evolution occurs when changes occur as a result of evolution for the same function.

Explanation of incorrect options:

Option A:

  1. Homologous structures are those that share a basic structure but perform different functions.
  2. Reptiles, amphibians, and mammals, for example, have forelimbs.
  3. They share an ancestor but have been modified to perform different tasks.
  4. Plants have homologous structures as well.
  5. Thorn of Bougainvillaea and Cucurbita tendril are two examples.

Final answer: Potato and sweet potato have edible parts analogous.


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