Biology : Evolution

Two or more species occupying same or ovarlapping areas are :

• sympatric

• sibling

• sub species

• allopatric

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

The eggs of eutherian mammals are

• mesolecithal type

• microlecithal type

• telolecithal type

• megalecithal type

The cranial capacity was largest among the

• Peking man

• Java ape man

• African man

• Neanderthal man

Which of the following is an egg laying mammal ?

• Kangaroo

• Platypus

• Penguin

• Whale