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MCQs

Total Questions : 619 | Page 62 of 62 pages
Question 611. In every stage in the food chain there is a great loss of
  1.    Food
  2.    Energy
  3.    Water
  4.    Nutrients
 Discuss Question
Answer: Option B. -> Energy
Answer: (b).Energy
Question 612. Green plants such as grasses, bushes and trees are in which trophic level?
  1.    Trophic Level 4
  2.    Trophic Level 3
  3.    Trophic Level 1
  4.    Trophic Level 2
 Discuss Question
Answer: Option C. -> Trophic Level 1
Answer: (c).Trophic Level 1
Question 613. What percent of energy is lost during each trophic level?
  1.    10%
  2.    30%
  3.    80%
  4.    90%
 Discuss Question
Answer: Option D. -> 90%
Answer: (d).90%
Question 614. The hydrogen is added to the carbondioxide molecules to form sugar and other carbohyderates while the oxygen leave the
  1.    Leaf
  2.    Stem
  3.    Roots
  4.    Enyzms
 Discuss Question
Answer: Option A. -> Leaf
Answer: (a).Leaf
Question 615. Carnivors fall in which trophic level?
  1.    Trophic Level 2
  2.    Trophic Level 4
  3.    Trophic Level 1
  4.    Trophic Level 3
 Discuss Question
Answer: Option D. -> Trophic Level 3
Answer: (d).Trophic Level 3
Question 616. In which process the carbon is converted into carbondioxide and hydrogen to water?
  1.    Photosynthesis
  2.    Oxidation
  3.    Reduction
  4.    Eutrophication
 Discuss Question
Answer: Option B. -> Oxidation
Answer: (b).Oxidation
Question 617. Which food is mainly used for the energy in the cells?
  1.    Carbohyderates
  2.    nutrients
  3.    Glocose
  4.    Ezymes
 Discuss Question
Answer: Option C. -> Glocose
Answer: (c).Glocose
Question 618. In which process the opposite of photosnthesis occurs?
  1.    Infiltration
  2.    Respiration
  3.    Transpiration
  4.    Evaporation
 Discuss Question
Answer: Option B. -> Respiration
Answer: (b).Respiration
Question 619. In environmentally friendly areas, oil drilling leads to
  1.    Water pollution
  2.    Waste production
  3.    Oil spills
  4.    Air Pollution
 Discuss Question
Answer: Option C. -> Oil spills
Answer: (c).Oil spills

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