In which of the following is bio-gas produced?a.action of aerobic microorganismsb.action of anerobic microorganismsc.presence of oxygend.presence of fertilizers

Gas A, obtained above is a reactant for a very important biochemical process which occurs inthe presence of sunlight. Identify the name of the process -a) Respirationb) Photosynthesisc) Transpirationd) sphotolysis

Which of the following statement is true in biogas production?a.fermentation of biomassb.aerobic treatment of biomassc.anaerobic treatment of biomassd.pyrolysis of biomass

Microorganisms are involved in each of the following processes EXCEPTGroup of answer choicesfood production.O2 production.decomposition of organic material.smog production.infection.Next

Name the gas produced by yeast during anaerobic respiration. (

Write the scientific term:1. A process in which producers consume carbon dioxide andrelease oxygen.(............................)2. A process in which organisms liberate energy in the presence ofoxygen.(............................)Choose the correct answer:1. Photosynthesis, cellular respiration, and combustion are the main processes incarbon–oxygen cycles.a.True b. False2. Carbon is an essential element in bones and proteins.a.True b. False3. Producers use carbon dioxide during cellular respiration.a.True b. False4. No relation between the carbon cycle and the oxygen cycle.a.True b. FalseWhat happens if:1. Burning trees. (according to the amount of oxygen and carbon dioxide)................................................................................................................................................................................................................................2. Elevation of carbon dioxide percentage in the air (open question)................................................................................................................................................................................................................................Topic 8 (L3) Page 219 – 220