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प्रश्न
Find an odd one out.
विकल्प
Position of eyes
structure of bones of hand
structure of nostrils
structure of ear pinna
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उत्तर
structure of bones of hand
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संबंधित प्रश्न
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
What are homologous organs?
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 ______
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
Identify the following pairs as homologous and analogous organs:
(i) Sweet potato and potato
(ii) Eye of octopus and eye of mammals
(iii) Thorns of Bougainvillaea and tendrils of Cucurbits
(iv) Fore limbs of bat and whale
Select a set of homologous organs from the following:
(A) Wings of a bat and wings of a butterfly
(B) Wings of a pigeon and wings of a bat
(C) Wings of a butterfly and wings of a pigeon
(D) Forelimbs of a duck, forelimbs of a cow and forelimbs of a lizard
Differentiate between connecting links and the missing links.
Similarities in the initial stages indicate the _______ evidence.
Define the evidence of evolution shown in the figure.
What is carbon dating?
The fossil remains of Archaeopteryx is a connecting link between ______
Where is carbon dating used?
Define vestigial organs.
Study of fossils is ______.
Organs having similar functions but different origin and development are known as:
Explain divergent evolution in detail. What is the driving force behind it?
You have studied the story of Peppermoths in England. Had the industries been removed, what impact could it have had on the moth population? Discuss.
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
Write names of some vestigial organs in the human body.
