Haeckel's biogenetic law or recapitulation theory states that

• life history of an animal reflects evolutionary history of the same

• progeny resembles parents

• mutations are acquired characters

• all organisms begin their life from zygote

Cranial capacity of modern man is

• 450-650 cc

• 600-1000 cc

• 900-1100 cc

• 1200-1600 cc

Name the ship on which Darwin got opportunity for a voyage of world.

• Titanic

• Vikrant

• Vectoria

• Beagle

Two or more species occupying same or ovarlapping areas are :

• sympatric

• sibling

• sub species

• allopatric

185.

Organs which differ in origin but perform similar functions :

• analogous

• homologous

• vestigial

• any of the above

Set which includes only analogous organs is :

• wings of butterfly, housefly and bat

• hindlegs of horse, grasshopper and bat

• wings of btterfly and Wingspread of bat and birds

• mandibles of cockrach, mosquito and honey bee

'Convergent Evolution' is shown by :

• homologous organs

• analogous organs

• vestigial organs

• above three

Example of Analogous organs is :

• wings of bird and insect

• forelimbs of horse and man

• teeth of elephant and man

• none of the above

To obtain amino-acids and other organic compounds, Stanley Miller and Urey used in his experiment :

• mixture of O₂, N₂, CH₄ and H₂O

• mixture of NH₃, H₂, N₂ and H₂O

• mixture of H₂, NH₃, CH₄, and H₂O

• mixture of H₂, O₂, CO₂ and H₂O

Which of the following is a living fossil ?

• Latimeria

• Amia

• Hippocampus

• Exocoetus