Organs which differ in origin but perform similar functions : fr

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 Multiple Choice QuestionsMultiple Choice Questions

351.

Two or more species occupying same or ovarlapping areas are :

  • sympatric

  • sibling

  • sub species

  • allopatric


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352.

Organs which differ in origin but perform similar functions :

  • analogous

  • homologous

  • vestigial

  • any of the above


A.

analogous

The organs which have similar function but are different in their structure and origin are called Analogous organs.

The organs which have same fundamental structure and origin but function may be similar or different are called Homologous organs.

The organs which are present in reduced form and do not perform any function in the body but correspond to the fully developed functional organs of related animals are called vestigial organs.


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353.

Set which includes only analogous organs is :

  • wings of butterfly, housefly and bat

  • hindlegs of horse, grasshopper and bat

  • wings of btterfly and Wingspread of bat and birds

  • mandibles of cockrach, mosquito and honey bee


354.

'Convergent Evolution' is shown by :

  • homologous organs

  • analogous organs

  • vestigial organs

  • above three


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355.

Example of Analogous organs is :

  • wings of bird and insect

  • forelimbs of horse and man

  • teeth of elephant and man

  • none of the above


356.

To obtain amino-acids and other organic compounds, Stanley Miller and Urey used in his experiment :

  • mixture of O2, N2, CH4 and H2O

  • mixture of NH3, H2, N2 and H2O

  • mixture of H2, NH3, CH4, and H2O

  • mixture of H2, O2, CO2 and H2O


357.

Which of the following is a living fossil ?

  • Latimeria

  • Amia

  • Hippocampus

  • Exocoetus


358.

The eggs of eutherian mammals are

  • mesolecithal type

  • microlecithal type

  • telolecithal type

  • megalecithal type


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359.

The cranial capacity was largest among the

  • Peking man

  • Java ape man

  • African man

  • Neanderthal man


360.

Which of the following is an egg laying mammal ?

  • Kangaroo

  • Platypus

  • Penguin

  • Whale


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