Question

Question 7 Distinguish between the following:

(a) Aerobic respiration and Anaerobic respiration

(b) Glycolysis and Fermentation

(c) Glycolysis and Citric acid Cycle

Class XI Biology Chapter - Respiration in Plants Page 238

Answer 1

HEY DEAR.....!

Aerobic and anaerobic respiration :-
AEROBIC RESPIRATION :
1)common in all higher plants and animals .
2) the process occurs inside living cells .
3)the process occurs in presence of oxygen.
4)End products are CO2 and H2O.
ANAEROBIC RESPIRATION:
1)Common in certain microorganisms but very rare in all higher plants and animals.
2)the process occurs inside living cells,but living cells are not essential in some cases.
3)the process occurs in absence of oxygen.
4)End products are ethanol and CO2.


Glycolysis and fermentation :-
GLYCOLYSIS :
1) glucose is converted into pyruvate.
2)It takes plant with or without the presence of oxygen.
3) net gain of ATP molecules.
FERMENTATION :
1) pyruvate is converted into alcohol and lactic acid.
2)it takes place in presence of oxygen.
3)no net gain of ATP molecules.

Glycolysis and citric acid cycle :-
GLYCOLYSIS :
1) Occurs both in aerobic and anaerobic respiration.
2)take place in cytoplasm.
3)It is a linear pathway.
4)CO2 is not released
CITRIC ACID CYCLE :
1) occurs only in aerobic respiration.
2)take place in mitochondrial matrix.
3)it is a cyclic pathway.
4)CO2 is released.


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