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प्रश्न
A human hand, a front leg of a cat, a front flipper of a whale and a bat’s wing look dissimilar and adapted for different functions. What is the name given to these organs?
उत्तर
Homologous organs
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संबंधित प्रश्न
(a) Select the analogous structures from the combination given below:
(i) Forelimbs of whales and bats
(ii) Eyes of octopus and mammals
(iii) Tuber of sweet potato and potato
(iv) Tuber of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent
Explain the evolution of giraffe's neck according to Lamarck's theory of evolution.
The presence of which of the following types of organs in two animals indicates that they are not derived from a common ancestor?
(a) homologous organs
(b) excretory organs
(c) analogous organs
(d) reproductive organs
The organs P and Q of two animals have different structures but similar functions. On the other hand, the two organs R and S of two other animals have the same basic structure but different functions.
(a) What are the organs like P and Q known as?
(b) Name the organs like P and Q. Also name the animals which have such organs.
(c) What are the organs like R and S called?
(d) Name the organs like R and S. Also name the animals which have such organs.
Biogenetic law states that ______.
The degenerated and non-functional organs found in an organism are called ______.
Which of these is not a vestigial organ in human beings?
Write down the difference between homologous and analogous organs.
Industrial melanism was highlighted by ______.
Give examples of homologous organs and analogous organs in plants.
