Grade 10 English MCQs

Man and Environment Multiple Choice Questions Test 4 Tests pdf Download

Practice biology test 4 on man and environment MCQs, grade 10 flows of materials and ecosystem energy multiple choice questions and answers. Flows of materials and ecosystem energy revision test has biology worksheets, answer key with choices as nitric acid and hydrogen, nitrates, carbon and oxygen and carbon dioxide of multiple choice questions (MCQ) with flows of materials and ecosystem energy quiz as the nitric acid (hno3) and nitrous acid (hno2) are combined with different salts to produce for competitive exam prep. Free biology study guide to learn flows of materials and ecosystem energy quiz to attempt multiple choice questions based test.

MCQs on Man and Environment Quiz pdf Download Worksheets 4

MCQ. Nitric acid (HNO3) and nitrous acid (HNO2) are combined with different salts to produce

  1. nitrates
  2. nitric acid and hydrogen
  3. carbon and oxygen
  4. carbon dioxide

A

MCQ. Conversion of gaseous nitrogen into nitrates with help of bacteria is classified as

  1. biological oxygen fixation
  2. atmospheric oxygen fixation
  3. atmospheric nitrogen fixation
  4. biological nitrogen fixation

D

MCQ. Non-living factors of ecosystem are called

  1. abiotic components
  2. biotic components
  3. biosphere components
  4. ecology components

A

MCQ. Process of nitrates utilization by organisms is classified as

  1. assimilation
  2. nitrification
  3. denitrification
  4. ammonification

A

MCQ. Process of photosynthesis converts solar energy into the

  1. hydro energy
  2. chemical energy
  3. mechanical energy
  4. tidal energy

B