Complete fossil of whose among the following is found

  • A

    Archaeopteryx

  • B

    Birds

  • C

    Reptiles

  • D

    Horse

Similar Questions

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

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

 

$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift

Evolution is

Given below are four statements $(A-­D)$ each with one or two blanks. Select the option which correctly fills up the blanks in two statements. Statements :

$(A)$ Wings of butterfly and birds look alike andare the results of ___$(i)$___ evolution.

$(B)$ Miller showed that $CH_4 , H_2 , NH_3$ and ___$(i)$___ when exposed to electric discharge in a flaskresulted in formation of ___$(ii)$___ .

$(C)$ Vermiform appendix is a ___$(i)$___ organ and an ___$(ii)$___ evidence of evolution.

$(D)$ According to Darwin evolution took placedue to ___$(i)$___ and ___$(ii)$___ of the fittest.

  • [AIPMT 2010]