Question

Out of potato, sweet potato, radish and carrot; make pairs of Homologous organs and Analogous organs.(Delhi - 2012)

Answer 1

Answer:

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Answer 2

Among the given vegetables, Radish and carrot are homologous organs whereas Potato and sweet potato ate analogous organs.

Explanation:

Homology and example:

• Homologous structures are those structures that have the same origin and structure but perform different functions.
• According to the definition of homologous structure, carrot and radish makes the pair of homologous organs because

1. Carrot and radish have the same shape.
2. Both are originated from the root part of the plant.
3. Though they are from the same origin both carrot and radish have different mineral composition and performs a different function.

Analogy and example:

• Analogous structures are those that have the same function but are different in origin and structure.

• According to the definition of analogous structure, potato and sweet potato makes the pair of analogous organs because,

1. Potato is round whereas sweet potato is elongated and oval.
2. Potato is from stem whereas sweet potato is from root.
3. Both perform the same functions in the plant that is the storage of food.

Learn more about such concept

What are homologous structure in organisms state the kind of evolution they represent

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What are homologous structure ?​

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