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O Level Biology Questions MCQs Quiz Online PDF Download eBook

Solve O Level Biology Questions Multiple Choice Questions (MCQ), o level biology questions quiz answers PDF worksheet, O level biology practice test for online college programs. Learn effects of human activity on ecosystem Multiple Choice Questions and Answers (MCQs), "O Level Biology Questions" quiz questions and answers for free online classes. Learn conservation: forests and renewable resources, herbicides: o level biology, fast learning biology, pollution: inorganic wastes as cause test prep for online college courses.

"Desertification is caused due to" Multiple Choice Questions (MCQ) on o level biology questions with choices overgrazing, topsoil is eroded, rapid water evaporation from the soil, and all of above for free online classes. Practice o level biology questions quiz questions for merit scholarship test and certificate programs for GRE practice test.

MCQs on O Level Biology Questions PDF Download eBook

MCQ: Desertification is caused due to

  1. overgrazing
  2. topsoil is eroded
  3. rapid water evaporation from the soil
  4. all of above


MCQ: Breakage of hydrogen bonds in protein coils results in

  1. activation of enzymes
  2. denaturation of proteins
  3. expedites the digestive system
  4. inactivation of protein molecules


MCQ: Dietary imbalances cause

  1. malnutrition
  2. starvation
  3. obesity
  4. high cholesterol


MCQ: Advantages of seed dispersal includes

  1. less spread of disease
  2. plants colonizing new habitats
  3. prevention of overcrowding of plants in same habitat
  4. all of above


MCQ: Starch (C6H10O5)n is digested to form maltose (C12H22O11) through enzyme

  1. maltase
  2. amylase
  3. diastase
  4. sucrose