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प्रश्न
Find an odd one out.
विकल्प
Human hand
flipper of whale
cat’s foreleg
wings of birds
उत्तर
wings of birds
APPEARS IN
संबंधित प्रश्न
State the connecting links between Peripatus with Annelida and Arthopoda.
Give two examples of vestigial organs in human beings and plants.
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
If you are asked to select a group of two vegetables, out of the following, having homologous structures which one would you select?
(a) Carrot and radish
(b) Potato and sweet potato
(c) Potato and tomato
(d) Lady finger and potato
How analogy and homology considered as an evidence in support of evolution ?
Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?
Enlist any four sequential evolutionary names of human ancestors.
Give the importance of fossil in support of organic evolution
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 wings of a housefly and the wings of a sparrow are an example of :
(a) analogous organs
(b) vestigial organs
(c) respiratory organs
(d) homologous 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.
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
You have potato, carrot, radish, sweet potato, tomato and ginger bought from the market in your jute bag. Identify two vegetables to represent the correct homologous structures.
(A) Potato and tomato
(B) Carrot and tomato
(C) Potato and sweet potato
(D) Carrot and radish
Vestigial organ ______ present in human body is proof of evolution.
Choose the correct option of the following question:
Wings of Insect and Birds are examples of :
Answer the following question:
What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor? Justify your answer.
The decaying process of C-14 occurs continuously in dead organisms only.
Enlist the evidences of evolution.
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?
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Which of these is not a vestigial organ in human beings?
Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.
Basic principles of embryonic development were pronounced by:
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Animal husbandry and plant breeding programmes are the examples of ______.
The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because ______.
Give an example for convergent evolution and identify the features towards which they are converging.
Find odd one out:
As shown in figure below some organisms that share a common ancestor have features that have different functions, but similar structures.
These are known as ______. Give example.
Write down the difference between homologous and analogous organs.
Evolutionary convergence is the development of a ______.
Write avian characters of Archaeopteryx.
Industrial melanism was highlighted by ______.
Give examples of homologous organs and analogous organs in plants.
Pick the odd man out:
