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Which of the following sets do not have homologous organs :
- a)Wings of mosquito and butterfly
- b)All of them
- c)Mouth parts of cockroach and butter fly
- d)Wings of butterfly and bird
Correct answer is option 'D'. Can you explain this answer?
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Which of the following sets do not havehomologous organs : a)Wings of ...
Explanation:
The correct answer is option 'D' - Wings of butterfly and bird.
Homologous organs:
Homologous organs are those organs in different organisms that have a similar structure and origin but may have different functions. These organs are derived from a common ancestor.
Explanation of options:
a) Wings of mosquito and butterfly:
The wings of a mosquito and a butterfly are homologous organs because they have a similar structure and origin. Both the wings are derived from the same ancestral structure, but they have different functions. The wings of a mosquito help it to fly, while the wings of a butterfly help it to fly and also play a role in courtship and mating.
b) All of them:
This option is incorrect because some of the sets have homologous organs. For example, the wings of a mosquito and a butterfly are homologous organs.
c) Mouth parts of cockroach and butterfly:
The mouth parts of a cockroach and a butterfly are not homologous organs. The mouth parts of a cockroach are adapted for chewing and biting, while the mouth parts of a butterfly are adapted for sipping nectar from flowers. These structures have different origins and functions.
d) Wings of butterfly and bird:
The wings of a butterfly and a bird are not homologous organs. The wings of a bird are modified forelimbs and are used for flying. On the other hand, the wings of a butterfly are membranous structures covered with scales and are used for flying. These structures have different origins and functions.
Therefore, the correct answer is option 'D' - Wings of butterfly and bird.
The correct answer is option 'D' - Wings of butterfly and bird.
Homologous organs:
Homologous organs are those organs in different organisms that have a similar structure and origin but may have different functions. These organs are derived from a common ancestor.
Explanation of options:
a) Wings of mosquito and butterfly:
The wings of a mosquito and a butterfly are homologous organs because they have a similar structure and origin. Both the wings are derived from the same ancestral structure, but they have different functions. The wings of a mosquito help it to fly, while the wings of a butterfly help it to fly and also play a role in courtship and mating.
b) All of them:
This option is incorrect because some of the sets have homologous organs. For example, the wings of a mosquito and a butterfly are homologous organs.
c) Mouth parts of cockroach and butterfly:
The mouth parts of a cockroach and a butterfly are not homologous organs. The mouth parts of a cockroach are adapted for chewing and biting, while the mouth parts of a butterfly are adapted for sipping nectar from flowers. These structures have different origins and functions.
d) Wings of butterfly and bird:
The wings of a butterfly and a bird are not homologous organs. The wings of a bird are modified forelimbs and are used for flying. On the other hand, the wings of a butterfly are membranous structures covered with scales and are used for flying. These structures have different origins and functions.
Therefore, the correct answer is option 'D' - Wings of butterfly and bird.
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Origin is different and function same
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Which of the following sets do not havehomologous organs : a)Wings of mosquito and butterflyb)All of themc)Mouth parts of cockroach and butter flyd)Wings of butterfly and bird Correct answer is option 'D'. Can you explain this answer?
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