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ECOLOGY MCQs

Total Questions : 48 | Page 1 of 5 pages
Question 1. When members of a population work together it is called
  1.    Competition
  2.    Cooperation
  3.    Mutualism
  4.    All of above
 Discuss Question
Answer: Option B. -> Cooperation
Question 2. Approximately 90 percent of energy iconsumed by an organism is lost to ___
  1.    Growth
  2.    Inefficiencies in its metabolism 
  3.    Repairing cells
  4.    Carbon dioxide
 Discuss Question
Answer: Option B. -> Inefficiencies in its metabolism 
Question 3. An important attribute of a K-strategist species is _____
  1.    Nurture their young
  2.    Exponential Growth
  3.    Opportunistic
  4.    Relatively low body mass
 Discuss Question
Answer: Option A. -> Nurture their young
Question 4. Soil and sediments is created by the physical and chemical ____________ of igneous rock
  1.    Destabilization 
  2.    Expansion
  3.    Weathering 
  4.    Sublimation 
 Discuss Question
Answer: Option C. -> Weathering 
Question 5. An underground reservoir of water is known as ______
  1.    An Estuary 
  2.    An Aquifer
  3.    Sublimation 
  4.    Permafrost
 Discuss Question
Answer: Option B. -> An Aquifer
Question 6. In the Article "The Critical Link", breaking down barriers that deny women access to health care, family planning, education, land ownership, employment and credit is linked to ________
  1.    Higher Mortality Rate
  2.    Higher Fertility Rate
  3.    Lower Fertility Rate
  4.    Lower Mortality Rate
 Discuss Question
Answer: Option C. -> Lower Fertility Rate
Question 7. The air we breathe is only ____% oxygen
  1.    10
  2.    21
  3.    78
  4.    90
 Discuss Question
Answer: Option B. -> 21
Question 8. Evaporation of water from the leaves of a plant gives of purified water to be evaporated
  1.    precipitation
  2.    concentration
  3.    transpiration
  4.    evaporation
 Discuss Question
Answer: Option C. -> transpiration
Question 9. Organisms that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals
  1.    Autotroph
  2.    Heterotroph
  3.    Omnivore
  4.    Carnivore
 Discuss Question
Answer: Option A. -> Autotroph
Question 10. Which of the following refers to all the organisms in a particular area?
  1.    ecosystem
  2.    community
  3.    organelles
  4.    population
 Discuss Question
Answer: Option B. -> community

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