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Thorn of Bougainvillea and tendril of Cu...

Thorn of Bougainvillea and tendril of Cucurbita are examples o

A

Hoology

B

Divergent evolution

C

Convergent evolution

D

Common ancestry

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The correct Answer is:
C
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Choose the pairs of organs that are a result of convergent evolution i. Wings of butterflies and wings of birds. ii. Flippers of penguins and flippers of dolphins iii. Eyes of octopus and eyes of mammals. iv. Thorns of Bougainvillea and tendrils of Cucurbita. v. Sweet potato and potato. vi. Vertebrate hearts and vertebrate brains

Read the statements given below and identify the suitable option : (i) Eye of Octopus and mammals are homologous. (ii) sweet potato and potato are analogous. (iii) Thorus of Bougainville and tendrils of Cucurbita are homologous

Select the homologous structures from the combinations given below : Forelimbs of whales and bats Tuber of potato and sweet potato Eyes of octopus and mammals Thorns of Bougainvillea and tendrils of Cucurbita. (b) State the kind of evolution they represent.

Are the thorn of Bougainvillea and tendril of cucurbita homologous or analogous. What type of evolution has brought such a similarity in them?

Identify the following pairs of Homologous or Analogous organs: i) Sweet potato and potato ii) Eye of octopus and eye of mammals iii) Thorns of Bougainvillea and tendrils of Cucurbits. iv) Fore limbs of Bat and Whale.

Which of the following statement is correct ? (A) Thorn of Bougainvillea and tendrill of Cucubita show analogy (B) Homologous organs are pentadactyl organ of man cheetah and whale , they are modified forelimbs (C) Archaepteryx is modern bird of Mesozoic era (D) Sweet potato and potato are the example of analogy

Which one of the following options gives one correct example each of convergent evolution and divergent evolution ? {:("Convergent evolution","Divergent evolution"),("(1)Thorns of Bougainvillea and tendrils of Cucurbita","Wings of butterflies and birds"),("(2)Bones of forelimbs of vertebrates ","Wings of butterflies and birds"),("(3)Thorns of Bougainvillea and tendrils of Cucurbita","Eyes of octopus and mammals"),("(4)Eyes of octopus and mammals","Bones of forelimbs of vertebrates"):}

{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings of butterfly and birds"),((2)"Thorns of Bougainvillia and tendrils of Cucurbita","Eyes of Octopus and Mammals"),((3)"Eyes of octopus and mammals","Bones of forelimbs of vertebrates"),((4)"Thorns of Bougainvillia and tendrils of Cucurbita","Wings of butterflies and birds"):}

How many of the following are examples of homologus structures in plant : (a) Eyes of octapus and mammal (b) Potato and sweet potato (c) Forelimbs of whale, bat cheetah and human (d) Vertebrate heart (e) Thorn of bougainvillea and tendril of cucurbita (f) Potato and corrot (g) Potato and radish

Identify the examples of homologous structures from the following- (i) Vertebrate hearts (ii) Thorns in Bougainvillea and tendrils of Cucurbita. (iii) Food storage-organs in sweet potato and potato.

AAKASH INSTITUTE ENGLISH-Mock Test 32 ZOOLOGY-EXAMPLE
  1. Coprolite is

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  2. Fossils are most frequently formed in

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  3. Match the coloumn Hyracotherium (Column- I) Oligocene epoch (Colu...

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  4. Life cannot originate from inorganic matter in present scenario becaus...

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  5. Consider the following characteristics (a) 120 cm high at shoulders ...

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  6. Coacervates were large colloidal aggregates named by

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  7. Haeckel's biogenetic law states that

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  8. Coelacanth is considered a connecting link between

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  9. Birbal Sahni Institute of Palaeobotany is situated in

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  10. Which of the following show restricted distribution?

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  11. Reappearance of certain ancestral characters is called

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  12. Which of the following is true w.r.t homologous structures?

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  13. The forelimbs of human, tiger, whale and bat represent

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  14. The process of evolution of different species in a given geographical ...

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  15. The structures in different oragnisms which ae not similar anatomicall...

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  16. Analogous structures are a result of

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  17. Which of the following is not a vestigial organs ?

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  18. Which of the following is an example of analogous organ?

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  19. Which of the following evidences help us to find systematic position o...

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  20. Thorn of Bougainvillea and tendril of Cucurbita are examples o

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