Flows of Materials and Ecosystem Energy MCQs Test and Answers pdf Download

Practice flows of materials and ecosystem energy MCQs and biology for test prep and learning. Free man and environment notes has multiple choice questions (MCQ) with flows of materials and ecosystem energy quiz as breakdown of nitrogenous wastes and dead organisms proteins into ammonia is classified as with answering options ammonification, assimilation, denitrification and nitrification for exam preparation. Study to learn flows of materials and ecosystem energy quiz with MCQs to find questions answers based online tests.

MCQs on Flows of Materials and Ecosystem Energy

MCQ. Breakdown of nitrogenous wastes and dead organisms proteins into ammonia is classified as

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

A

MCQ. Representation of biomass for per unit area at various trophic levels graphically is classified as

  1. pyramid of numbers
  2. pyramid of primary consumers
  3. pyramid of biomass
  4. pyramid of decomposers

C

MCQ. Nitrates are utilized for protein making and are absorbed by

  1. phytoplankton
  2. protozoan
  3. plants
  4. animals

C

MCQ. Process which converts nitrogen gas into nitrates is called

  1. carbon fixation
  2. nitrogen fixation
  3. oxygen fixation
  4. nitrate fixation

B

MCQ. Considering pyramid of numbers, consumers that are maximum in number and smallest in size are called

  1. tertiary consumers
  2. producers
  3. tertiary decomposers
  4. secondary decomposers

B