Aerobic Respiration:

(1) More common in higher organisms

(2) Leads to complete oxidation of Organic substance in the presence of oxygen and release of Carbon-dioxide

(3) Large amount of energy present in substrate and amount of water is also released out

(4) All of these

Subtopic:  Aerobic Respiration |
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What is the correct order of the stages of cellular respiration?

1. Krebs' cycle electron- transport- chain glycolysis

2. Electron transport chain- Krebs' cycle - glycolysis

3. Glycolysis - Krebs' cycle - electron transport chain 

4. Glycolysis - electron transport chain - Krebs' cycle

Subtopic:  Aerobic Respiration |
 93%
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AIIMS - 2012
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Who elucidated Krebs’ cycle for the very first time?

(1) Frederick Kreb

(2) Hans Kreb

(3) Edward Kreb

(4) Tilman Kreb

Subtopic:  Aerobic Respiration |
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Cell respiration is carried out by 

(1) ribosome 

(2) mitochondria

(3) chloroplast

(4) Golgi bodies

Subtopic:  Aerobic Respiration |
 93%
From NCERT
AIIMS - 2012
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The first step of decarboxylation in cellular respiration is

(1) Conversion of PGAL to DHAP

(2) Conversion of PGAL to PGA

(3) Conversion of Pyruvate to Acetyl CoA

(4) Conversion of BPGA to PGA

Subtopic:  Aerobic Respiration |
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The substrate which enters in Krebs’ cycle during oxidation of Glucose is

(1) Pyruvate

(2) Acetyl CoA

(3) Oxaloacetate

(4) Succinate

Subtopic:  Aerobic Respiration |
 85%
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The overall goal of glycolysis, Krebs cycle and the electron transport system is the

formation of:

1. ATP in small stepwise units

2. ATP in one large oxidation reaction

3. Sugars

4. Nucleic acids

Subtopic:  Aerobic Respiration |
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NEET - 2007
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The primary role of oxygen in cellular respiration is to:

1. yield energy in the form of ATP as it is passed down the respiratory chain.
2. act as an acceptor for electrons and hydrogen, forming water
3. combine with carbon, forming CO2.
4. combine with lactate, forming pyruvate.
Subtopic:  Aerobic Respiration |
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The process used in conversion of Pyruvate to Acetyl CoA is

1. Oxidative dehydration

2. Oxidative decarboxylation

3. Oxidative phosphorylation

4. Reductive phosphorylation.

Subtopic:  Aerobic Respiration |
 86%
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The enzyme Pyruvate dehydrogenase acts in

(1) Mitochondrial membranes

(2) Cytoplasm

(3) Peri mitochondrial space

(4) Mitochondrial Matrix

Subtopic:  Aerobic Respiration |
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