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प्रश्न
Appendix : vestigial organ : : Peripatus : ____________
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उत्तर
Appendix : vestigial organ : : Peripatus : Connecting Link
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संबंधित प्रश्न
Differentiate between homology and analogy. Give one example of each.
Which of the following pairs of two vegetables represent the correct homologous structures?
(A) Sweet potato and potato
(B) Sweet potato and tomato
(C) Carrot and potato
(D) Radish and carrot
Select two pairs from the following which exhibit divergent evolution. Give reasons for your answer.
(i) Forelimbs of cheetah and mammals
(ii) Flippers of dolphins and penguins
(iii) Wings of butterflies and birds
(iv) Forelimbs of whales and mammals
Four students P, Q, R and S differently reported the following set of organs to be analogous :
P. Forelimb of a frog and forelimb of a lizard
Q. Forelimb of a bird and forelimb of a human
R. Wings of a parrot and wings of a butterfly
S. Wings of a bird and wings of a bat
The two students who have reported correctly are :
(A) P and Q
(B) Q and R
(C) R and S
(D) P and S
Explain the terms analogous and homologous organs with examples.
Differentiate between analogous and homologous structures.
The forelimbs of a frog, a bird and a man show the same basic design (or basic structure) of bones. What name is given to such organs?
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 ______
In a class, students were asked to observe the models/slides/pictures of the skeletons of forelimbs and wings of different organisms. After the observations the students made the following groups of homologous structures. Select the correct group :
(A) Wings of a bird and a butterfly
(B) Wings of a pigeon and a bat
(C) Wings of a butterfly and a bat
(D) Forelimbs of a cow, a duck and a lizard
Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................
_______ is a connecting link between Annelida and Arthropoda.
Explain any three molecular (genetic) evidences in favour of organic evolution.
Find an odd one out.
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Which of these is not a vestigial organ in human beings?
Define vestigial organs.
Why do all the gametes formed in human females have an X chromosome?
Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.
Evolutionary convergence is the development of:
Organs having similar functions but different origin and development are known as:
Analogous organs arise due to ______.
What are we referring to? When we say 'simple organisms' or 'complex organisms'.
How do we compute the age of a rock?
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
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.
Complete the following diagram:
Complete the following chart:
What is the function of the appendix of our digestive system?
Write a note on the significance of Palaeontology.
Define the term:
Homologous organs
Industrial melanism was highlighted by ______.
Give one example of homologous organs found in plants.
Pick the odd man out:
Write names of some vestigial organs in the human body.
