Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Match the columns :
Column - $I$ | Column - $II$ |
$(1)$ Charles Darwin | $(a)$ Mutation theory |
$(2)$ Lamarck | $(b)$ Germ plasm theory |
$(3)$ Hugo de vries | $(c)$ Philosophie zoologique |
$(4)$ Ernst Haeckel | $(d)$ The origin of species |
$(5)$ August Weismann | $(e)$ Biogenetic law |
$(f)$ Eassy on population |
Match the columns :
Column - $I$ | Column - $II$ |
$(1)$ Human embryos have gill | $(a)$ Chemical evolution |
$(2)$ Oparin and Haldane | $(b)$ Stimulation experiment |
$(3)$ Miller and uray | $(c)$ Wings of bird and butterfly |
$(4)$ Analogous organ | $(d)$ Outogeny repeats phylogeny |
Select the incorrect statements
$I.$ Natural selection is essential for evolution
$II.$ Natural selection do not include variations
$III.$ Concept of natural selection was given by Hugo de Vries
$IV.$ Mutation is the sudden inheritable change
$V.$ Synthetic theory is also called Neo-Darwinism theory of evolution The correct combination is a
Definitions / Explanation : Analogous organs & Vestigial or rudimentary organs
Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.