MODEL SUBJECTIVE QUESTIONS: Write note biological nitrogen fixation. Give mechanism of biological nitrogen fixation. Write note on symbiotic bacteria. SHORT QUESTION: Define biological nitrogen fixation. Ans: The synthesis of organic…
TERMS DEFINITIONS Nitrogen fixation The synthesis of organic nitrogenous compounds from atmospheric nitrogen by certain microorganisms is called biological nitrogen fixation. Asym biotic organism The free living nitrogen fixing organisms…
Following reactions take place during biological nitrogen fixation: Formation of ammonia: Nitrogen is reduced to ammonia in the bacterioids as follows: N2 + 81 + 16ATP + SH ________________ 2N1-13…
The synthesis of organic nitrogenous compounds from atmospheric nitrogen by certain microorganisms is called biological nitrogen fixation. Higher plants cannot directly utilize molecular nitrogen of the atmosphere. But certain micro-organisms…
Multiple Choice Questions (MCQs) Number of CO2 molecules used released during respiration. (a) 2 (b) 5 (c) 6 (d) I 2 Net number of ATP produced during glycolysis: (a) 2 …
MODEL SUBJECTIVE QUESTIONS: What is respiration? Give its evolution. Describe different steps of glycolysis. Describe different steps of Krebs cycle. Draw Kerbs cycle. Write note on electron transport chain. Write…
TERMS DEFINITIONS Respiration The series of oxidation reduction reactions in which substances (glucose) are oxidized to carbon dioxide and oxygen and energy is releasedis called respiration. Aerobic respiration Aerobic respiration…
The organic substances of the cells used up in the respiratory process are called respiratory substrate. There are following respiratory substances. I. Carbohydrates: Simple carbohydrates are the chief respiratory material.…
The respiration which takes place in absence of oxygen is called anaerobic respiration. There are two views about the origin of fermentation: (a) It is an evolutionary bypass. Some organisms…
The synthesis of ATP molecule in the presence of oxygen is called oxidative phosphorylation. Oxidative phosphorylation takes place during respiratory chain. Three ATP molecules are formed during three steps of…
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