Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 10th Standard Science - English Medium - Origin And Evolution Of Life

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Origin And Evolution Of Life

Samacheer Kalvi 10th Science - Origin And Evolution Of Life - Book Back Questions in English Medium

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Question 1 Of 10

Biogenetic law states that

Ontogeny and phylogeny go together Ontogeny recapitulates phylogeny Phylogeny recapitulates ontogeny e is no relationship between phylogeny and ontogenyThere is no relationship between phylogeny and ontogeny

Question 2 Of 10

The best way of direct dating fossils of recent origin is by

Radiocarbon method Uranium lead method Potassium–argon method Both (a) and (c)

Question 3 Of 10

Palaeontologists deal with

Embryological evidence Fossil evidence Vestigial organ evidence All the above

Question 4 Of 10

The term Ethnobotany was coined by

Khorana J.W. Harsbberger Ronald Ross Hugo de Vries

Question 5 Of 10

The ‘use and disuse theory’ was proposed by.

Charles Darwin Ernst Haeckel Jean Baptiste Lamarck Gregor Mendel