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General Science

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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is Option B. -> community
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