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प्रश्न
Complete the flowchart.
उत्तर
संबंधित प्रश्न
Mammals : _________ : : Amphibia : Fishes
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
Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution?
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
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.
Explain the evolution of giraffe's neck according to Lamarck's theory of evolution.
What are homologous organs?
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
Name two animals having homologous organs and two having analogous organs. Name these organs.
Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.
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
Read the following statement and justify same in your own words with the help of suitable example.
There is evidences of fatal science among chordates.
Write the names of those animals in whom the human body organs are functioning.
Observe the picture and answer the following questions.
A) Which evidence of evolution is shown in the picture?
B) What can be proven with this proof?
C) Give one more example of evidence of evolution
_______ is a connecting link between Annelida and Arthropoda.
Very short answer question:
What is vestigeal organ?
Long answer question.
Would you consider wings of butterfly and bat as homologous or analogous and why?
_____________ is a vestigial organ in human beings.
Find an odd one out.
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Define the evidence of evolution shown in the figure.
Select vestigial organs from the following.
Select the correct statement.
Which of these is not a vestigial organ in human beings?
Where is carbon dating used?
Palaeontological evidence for evolution refers to the ______.
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because ______.
How do we compute the age of a fossil?
Give a scientific reason.
Morphological evidences suggest that dog, sheep and wolf have a common origin.
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.
Write a note on the significance of Palaeontology.
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
