GEOGRAPHY MCQS SET 105

GEOGRAPHY MCQS SET 105

1041) Among the following climatic factors, which one has the least effect upon
terrestrial ecosystem?
A) Temperature variation
B) Wind
C) Conditions of sunlight
D) Availability of water

Answer: Wind
   
1042) Select the correct sequence of food chain in the arctic waters from the following
A) zooplankton-diatoms-fish-polar bear-seal
B) diatoms-zooplankton-fish-seal-polar bear
C) fish-diatoms-seal-zooplankton-polar bear
D) diatoms-fish-polarbear-seal-zooplankton

Answer: diatoms-zooplankton-fish-seal-polar bear
   
1043) Eutrophication of lakes is a consequential effect of the accumulation of
A) silt load
B) sewage
C) nitrates and phosphates
D) vegetation

Answer: nitrates and phosphates
   
1044) The transition zone between two Ecosystems is called
A) biome
B) biotope
C) ecotone
D) sere

Answer: ecotone
   
1045) Which one of the following statements is not correct?
A) The energy levels within a food chain are called trophic levels.
B) In deep oceans primary production is almost (incomplete)
C) The primary consumers are called autotrophs.
D) The decomposers are called saprotrophs.

Answer: The primary consumers are called autotrophs.
 
1046) The state of inactivity adopted by desert animals during the hottest and
driest season is known as
A) basal metabolism
B) dormancy
C) aestivation
D) hibernation

Answer: aestivation
   
1047) Which one of the following statements is correct?
A) All the abiotic resources are non renewable and all the biotic resources are renewable.
B) All the abiotic resources are non renewable but some of the biotic resources are renewable.
C) Some of the abiotic resources are renewable but the all biotic resources are non renewable.
D) Some of the abiotic resources are renewable and some of the biotic resources are non renewable.

Answer: Some of the abiotic resources are renewable and some of the biotic resources are non renewable.
   
1048) Which of one the following terms describes not only the physical space
occupied by an organism, but also its functional role in the community of organisms?
A) Ecotone
B) Ecological niche
C) Habitat
D) Home range

Answer: Ecological niche
   
1049) Which crop utilizes solar energy most efficiently?
A) Potato
B) Sugarcane
C) Wheat
D) Rice

Answer: Sugarcane
   
1050) The pyramid of biomass will be inverted in the ecosystem of
A) forests
B) ponds
C) grasslands
D) dry lands

Answer: ponds