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प्रश्न
Find an odd one out.
विकल्प
Human hand
flipper of whale
cat’s foreleg
wings of birds
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उत्तर
wings of birds
APPEARS IN
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
Given below is the list of vegetables available in the market. Select from these the two vegetables having homologous structures:
Potato, sweet potato, ginger, radish, tomato, carrot, okra (Lady’s finger)
(A) Potato and sweet potato
(B) Radish and carrot
(C) Okra and sweet potato
(D) Potato and tomato
Study the following statements:-
I. Wings of birds and wings of bats are homologous organs.
II. Wings of birds and wings of insects are modified forelimbs.
III. Wings of birds and wings of insects are analogous organs.
IV. Wings of birds and forelimbs of horse are homologous organs.
The correct statements are
(A) I and II
(B) II and III
(C) III and IV
(D) I and IV
Four students A, B, C and D reported the following set of organs to be homologous. Who is correct ?
(A) Wings of a bat and a butterfly
(B) Wings of a pigeon and a bat
(C) Wings of a pigeon and a butterfly
(D) Forelimbs of cow, a duck and a lizard
Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.
Write the names of those animals in whom some vestigial organs in human body are functioning.
Define fossil.
Very short answer question:
What is vestigeal organ?
Find an odd one out.
Find an odd one out.
Name the parts shown in the diagram.
Human jaw
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Select the CORRECT match.
Define vestigial organs.
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 ______.
How do we compute the age of a rock?
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.
Find the odd one out:
Define Palaeontology.
