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Complete the flowchart. - Science and Technology 2

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प्रश्न

Complete the flowchart.

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उत्तर

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अध्याय 1: Heredity and Evolution - Solve the following questions

संबंधित प्रश्न

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


“Two areas of study namely 'evolution' and 'classification' are interlinked'. Justify this statement.


Which of the following is a correct set of homologous organs?

(a) Forelimbs of frog, bird and lizard

(b) Spine of cactus and thorn of bougainvillea

(c) Wings of bat and wings of butterfly

(d) Wings of a bird and wings of a bat


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


Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?


Attempt giving a clear definition of the term species.


Name the scientists who Discovered the fossil of Australopithecus


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


The organs which perform similar functions but have different basic structure are called :
(a) asymmetric organs
(b) analogous organs
(c) homologous organs
(d) homophonic organs


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 presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?
(a) analogous organs
(b) respiratory organs
(c) digestive organs
(d) homologous organs


Complete the following chart:


Explain any three molecular (genetic) evidences in favour of organic evolution.


Define fossil.


Differentiate between connecting links and the missing links.


Long answer question.

Would you consider wings of butterfly and bat as homologous or analogous and why?


Match the following.

Column A Column B
1) Morphological evidences a) Tail-bone or wisdom teeth
2) Paleontological evidences b) Leaf venation
  c) Fossils

Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.


How do you differentiate homologous organs from analogous organs?


Select the CORRECT set of homologous organs.


Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.


Palaeontological evidence for evolution refers to the ______.


Study of fossils is ______.


Evolutionary convergence is the development of:


Analogous organs arise due to ______.


Fossils are generally found in ______.


How do we compute the age of a living tree?


Give an example for convergent evolution and identify the features towards which they are converging.


I am the connecting link of annelida and arthropoda. What is my name?


What is the function of the appendix of our digestive system?


Write down the difference between homologous and analogous organs.


Explain natural selection with the example of industrial melanism.


Write avian characters of Archaeopteryx.


Industrial melanism was highlighted by ______.


Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?


Define Palaeontology.


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