Tag: respiratory system
Questions Related to respiratory system
Which of the following is a direct oxidation pathway performed without glycolysis cycle?
-
HMP pathway
-
TCA
-
Both of A and B
-
None of the above
The HMP pathway or pentose phosphate pathway that produces 5 carbon compound and NADPH in the form of energy. Additionally, these pathways can operate in the anabolic direction to transform glycolytic intermediates into other compounds. So, HMP pathway is a direct oxidation pathway performed without glycolysis cycle. HMP shunt produces some glycolytic intermediated like glyceraldehyde-3-phosphate and fructose-6-phosphate that can directly involve in the glycolysis pathway or EMP. Thus, the correct answer is option A.
In what condition hydrolysis of complex organic compounds take place?
-
Normal conditions
-
Aerobic Conditions
-
Anaerobic conditions
-
Extreme Conditions
Which of the following statements is true about the process shown in the given box?
[Food + Oxygen $\rightarrow$ Carbon dioxide + Water + Energy]
-
It is caused by the decay of organic substances.
-
It is an important process in the nitrogen cycle.
-
It is an essential process of aerobic respiration in living organisms.
-
It Is carried out only by green plants and certain type of bacteria.
Respiration is the process in which the food substrate is broken down to produce energy-rich molecules. In the aerobic respiration, the respiration is carried out in the presence of oxygen and carbon dioxide with water are released as products. This is an essential process in all the living organisms for the production of ATP.
Aerobic and anaerobic respirations differ from each other in all aspects except............
-
Involvement of oxygen
-
Out put of energy
-
End products
-
Breakdown of glucose in cytoplasm
Aerobic respiration is the breakdown of glucose in the presence of oxygen and anaerobic respiration is the breakdown of energy in absence of oxygen.
The product obtained in the anaerobic respiration of yeast is
-
Lactic acid
-
Pyruvic acid
-
Ethanol
-
Acetic acid
Common phase between aerobic and anaerobic modes of respiration is
-
Krebs cycle
-
EMP/glycolysis
-
Oxidative phosphorylation
-
Pentose phosphate pathway
Aerobic respiration is a type of respiration in which the breakdown of organic compounds takes place with the presence of oxygen and release a large amount of energy in the form of ATP.
End products of aerobic respiration are
-
Sugar and oxygen
-
Water and energy
-
Carbon dioxide, water and energy
-
Carbon dioxide and energy
Aerobic respiration is the complete oxidation of sugars in presence of oxygen.
General formula for aerobic respiration is
-
6CO$ _2$ + 6H$ _2$O $\rightarrow$ C$ _6$H$ _{12}$O$ _6$ + 6O$ _2$
-
C$ _6$H$ _{12}$O$ _6$ + 6O$ _2$ $\rightarrow$ 6CO$ _2$ + 6H$ _2$O + 686 kcal
-
C$ _6$H$ _{12}$O$ _6$ $\rightarrow$ 2C$ _2$H$ _5$OH + 2CO$ _2$ + 2ATP
-
C$ _6$H$ _{12}$O$ _6$ $\rightarrow$ 2C$ _3$H$ _6$O$ _3$+2 ATP
Aerobic respiration requires oxygen and it takes place in mitochondria and produces carbon dioxide, water and 686 kilo calories of energy.
Products of anaerobic respiration are
-
Ethyl alcohol and carbon monoxide
-
Ethyl alcohol and lactic acid
-
Lactic acid and glycogen
-
Acetic acid and carbon dioxide
Anaerobic respiration occurs in the absence of oxygen and is less efficient than aerobic respiration. Unlike aerobic respiration, the end products here are ethyl alcohol as in alcoholic fermentation and lactic acid as in animal cells. So the answer is 'Ethyl alcohol and lactic acid'.
Life without air would be
-
Reductional
-
Free from oxidative damage
-
Impossible
-
Anaerobic
Oxygen from air is the chief requirement for aerobic respiration to take place in the cells. However, in absence of air or oxygen, many organisms are capable to respire using anaerobic respiration. Life without air is considered anaerobic.