Biogenetic law states that ___________

(a)

Ontogeny and phylogeny go together

(b)

Ontogeny recapitulates phylogeny

(c)

Phylogeny recapitulates ontogeny

(d)

There is no relationship between phylogeny and ontogeny

The ‘use and disuse theory’ was proposed by __________.

(a)

Charles Darwin

(b)

Ernst Haeckel

(c)

Jean Baptiste Lamarck

(d)

Gregor Mendel

Paleontologists deal with

(a)

Embryological evidences

(b)

Fossil evidences

(c)

Vestigial organ evidences

(d)

All the above

The term Ethnobotany was coined by

(a)

Khorana

(b)

J.W. Harsbberger

(c)

Ronald Ross

(d)

Hugo de Vries

The characters developed by the animals during their life time, in response to the environmental changes are called ______________.

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acquired character

The forelimbs of bat and human are examples of ______________ organs.

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homologous

The theory of natural selection for evolution was proposed by ____________

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Charles Darwin

Atavism

(1)

A forelimb of a cat and a bat’s wing

Vestigial organs

(2)

Caudal vertebrae and vermiform appendix

Homologous organs

(3)

Thiruvakkarai

Wood park

(4)

Radiocarbon dating

W.F. Libby

(5)

Rudimentary tail and thick hair on the body

Which organism is considered to be the fossil bird?

Define Ethnobotany and write its importance.

How do you differentiate homologous organs from analogous organs?