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Arrange the periods of palaeozoic era in...

Arrange the periods of palaeozoic era in ascending order in a geological time scale `:`

A

Cambrian `rarr` Ordovician `rarr` Silurian `rarr` Devonian `rarr` Carboniferous `rarr` Permian

B

Cambrian `rarr` Devonian `rarr` Ordovician `rarr` Silurian `rarr` Carboniferous `rarr` Permian

C

Cambrian `rarr` Ordovician` rarr` Devonian `rarr` Silurian `rarr` Carboniferous `rarr` Permian

D

Silurain `rarr `Devonian`rarr` Cambrian `rarr` Ordovician `rarr `Permian` rarr` Carboniferous

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The correct Answer is:
A
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  8. Frequencyof an autosomal recessive lethal gene is 0.4 Frequency of car...

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  12. Prototherians are connecting link between :

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  13. Darwin finches are related to which of the following evidences ?

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  14. Allopatric speciation is due to

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  15. Which one is linked to evolution ?

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  16. Which of the following is not a concept of Lamarck ?

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  18. The idea of ''survival of the fittest'' was given by

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  20. The theory of random genetic drift was proposed by :

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