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प्रश्न
Very short answer question:
What is vestigeal organ?
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उत्तर
Vestigeal organs, or rudimentary organs, are imperfectly developed and non-functional, degenerate structures that were functional in some related and other animals or in ancestors.
संबंधित प्रश्न
Give two examples of vestigial organs in human beings and plants.
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.
Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.
You have potato, carrot, radish, sweet potato, tomato and ginger bought from the market in your jute bag. Identify two vegetables to represent the correct homologous structures.
(A) Potato and tomato
(B) Carrot and tomato
(C) Potato and sweet potato
(D) Carrot and radish
Short answer question.
Give the significance of fossils.
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Observe the given images and answer the following questions.
- Which evolutionary evidence does it indicate?
- What does it prove?
- State another example of evolutionary evidence.
Organs having similar functions but different origin and development are known as:
Fossils are generally found in ______.
Define the term:
Homologous organs
