All the ecosystems taken altogether in a geographical area form a bigger unit called

• Community

• Territory

• Biome

• Biosphere

Which one of the following ocean currents belongs to Indian Ocean ?

• Canary current

• Antilles current

• Labrador current

• Agulhas current

The western coast of Australia records higher salinity due to 

• Ocean currents

• Wind direction

• Dry weather condition

• All of above

Which one of the following statements about synecology is correct ?

• It is a study of individuals species in relation to its enviroment.

• It is a study of complex interrelationship of biotic communities

• It is essentially habitat ecology.

• It is mainly social ecology.

Who among the following proposed a grand scheme of natural regions on a global scale by combining physical determinants of plants and animals life ?

• Unstead

•  Herbertson

• Whittlesey

• Dickinson

Which one of the following pairs is not correctly matched ?

• Autotrophs : Take energy from living organism 

• Heterotrophs : Obtain their energy from living organism

• Herbivores : Organisms that consume plants and animals

• Detrivores : Obtain their energy from dead organsim

Who defined Geography as human ecology ?

• Schaefer

• Hartshorne

• Richthofen

• Barrows

The specific place of an organism in an ecosystem is called as

• Niche

• Autotroph

• Trophic level

• Food Pyramid

Which one of the following is referred to as producer in marine ecosystem ?

• Small fish

• Fungi

• Zooplanktons

• Phytoplankton

Which one of the following is the most important element of ecosystem ?

• Energy flow

• Ecological succession

• Food chain

• Food web