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12th Standard English Medium Biology (Zoology) Subject Evolution Creative 2 Mark Questions with Solution Part - I updated Creative Questions

Published on: 13/05/2022

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Std: 12th Standard - Biology

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

Point out the epochs of carboniferous period.

List the four eras of geological time scale.

What is paleontology?

What is the view of Neo Lamarckism?

State the Biogenetic law.

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Answers Key:

Generic 2

5 x 2 = 10

(a) Pennsylvanian
(b) Mississippian

(a) Precambrian era
(b) Paleozoic era
(c) Mesozoic era
(d) Cenozoic era

It is the study of prehistoric life through fossils

They argued that external conditions stimulate the somatic cells to produce certain 'secretions' which reach the sex cells through the blood and bring about variations in the offspring.

Ernst Von Haeckel propounded the "biogenetic law or theory of recapitulation" which states that the life history of an individual (ontogeny) briefly repeats or recapitulates the evolutionary history of the race (phylogeny). In other words "Ontogeny recapitulates Phylogeny".