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प्रश्न
Find odd one out:
पर्याय
Tail bone
wisdom teeth
ear pinna
appendix
heart
उत्तर
heart
Explanation:
Rest other organs are degenerated or underdeveloped, useless organs of organisms which are known as vestigial organs.
APPEARS IN
संबंधित प्रश्न
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Homologous organs
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.
Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?
An example of homologous organs is
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Enlist any four sequential evolutionary names of human ancestors.
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Fossils
Human tailbone is a vestigial organ. Explain.
Differentiate between analogous and homologous structures.
Some dinosaurs had feathers although they could not fly birds have feathers that help them to fly. In the context of evolution, this means that ______
The presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?
(a) analogous organs
(b) respiratory organs
(c) digestive organs
(d) homologous organs
One pair of organs in the following animals are not homologous. This is :
(a) forelimbs in humans and lizard
(b) forelimbs in lizard and frog
(c) wings in butterfly and bat
(d) wings in bat and bird
The wings of a housefly and the wings of a sparrow are an example of :
(a) analogous organs
(b) vestigial organs
(c) respiratory organs
(d) homologous organs
Vestigial organ ______ present in human body is proof of evolution.
_______ is a connecting link between Annelida and Arthropoda.
Differentiate between connecting links and the missing links.
Explain the importance of Anatomical evidences with examples.
Similarities in the initial stages indicate the _______ evidence.
Find an odd one out.
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Observe the following images and answer the questions.
- Which evolutionary evidences are indicated in the given picture?
- How are they formed?
- Which method is used to measure their age or their time?
The degenerated and non-functional organs found in an organism are called ______.
Select vestigial organs from the following.
Select the CORRECT set of homologous organs.
Why do all the gametes formed in human females have an X chromosome?
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Flippers of Penguins and Dolphins are examples of:
Organs having similar functions but different origin and development are known as:
How do we compute the age of a living tree?
Complete the following chart:
Define the term:
Homologous organs
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
Give a definition of Palaeontology.
Pick the odd man out:
