In the electron transport system present in the inner mitochondrial membrane, complexes I and IV are respectively
 a) NADH Dehydrogenase and FADH_2
 b) NADH_2 and NADH Dehydrogenase
 c) NADH Dehydrogenase and cytochrome-c oxidase complex
 d) NADH dehydrogenase and ATP synthase

In respiration incomplete oxidation of glucose is done under
 a) Aerobic respiration        b)    Anaerobic respiration
 c) Both (a) and (b)             d)    None of these

The cellular respiration first takes place in the 
 a) Cytoplasm       b) Golgi bodies        c) ER         d)    Lysosomes

Which of the following scientist has given the scheme of glycolysis?
 a) Gustav Embden et. al    b) Kreb et. al       c) Fritz Lipmann et. al    d) None of these

Which metabolic pathway is a common pathway to both anaerobic and aerobic metabolism?
a) Glycolysis        b) EMP pathway    c) Both (a) and (b)     d) None of the above

Oxidation of one molecule of NADH gives rise to 
 a)    3 ATP molecules         b)    12 ATP molecules    c) 2 ATP molecules    d) 1ATP molecule

Aerobic respiratory pathway is appropriately termed as 
 a) Catabolic        b)    Parabolic    c) Amphibolic       d) Anabolic 

In alcohol fermentation,
 a) There is no electron donor
 b) Oxygen is the electron acceptor
 c) Triose phosphate is the electron donor, while acetaldehyde is the electron acceptor
 d) Triose phosphate is the electron donor, while pyruvic acid is the electron acceptor

In respiration breaking down of glucose with oxygen is known as
 a) Oxidation process                    b) Reduction process
 c) Oxidation-oxaloacitation process    d) All of the above

Net gain of ATP molecules per hexose during aerobic respiration is 
 a) 12         b)    18     c) 36         d)    30

The oxidation of pyruvic acid to CO_2 and H_2 O is called
 a) Fermentation        b) Citric acid cycle
 c) Glycolysis             d) Oxidative phosphorylation

Preparatory phase before fermentation is 
 a) Upstream process         b) Downstream process         c)    Inoculation    d) Filtration 

For retting of jute the fermenting microbe used is 
 a) Helicobactor pylori         b)    Methophilic bacteria
 c) Streptococcus lacti        d)    Butyric acid bacteria 

The respiratory quotient during cellular respiration would depend on the 
 a) Nature of enzymes involved                    b)    Nature of the substrate
 c) Amount of carbon dioxide released         d)    Amount of oxygen utilized

Which one of following is complex V of the ETS of inner mitochondrial membrane?
 a) NADH Dehydrogenase        b)    Cytochrome oxidase
 c) Ubiquinone                          d)    ATP synthase

The organelle associated with aerobic respiration is 
 a) Chloroplast         b)    Centriole         c) Nucleus               d) Mitochondria

Incomplete breakdown of sugar in anaerobic respiration forms
 a) Glucose and carbon dioxide         b)    Alcohol and carbon dioxide 
 c) Water and carbon dioxide            d)    Fructose and water

The total energy trapped per gm mole of glucose is 1292 kJ with on efficiency of
 a) 35%          b) 55%    c) 45%         d)    25%

Phase common in aerobic and anaerobic respiration is 
 a) Krebs’ cycle                 b) Glycolysis               c) Glycogenolysis                   d) ETS

Synthesis process in organism is also called
 a) Catabolism        b)    Anabolism               c) Both (a) and (b)             d) None of these

Oxalosuccinic acid, an intermediary compound of Krebs’ cycle is a 
 a) 5-carbon compound           b) 6-carbon compound            c)    4-carbon compound               d) 3-carbon compound

RQ is always less than one in
 a) Wheat        b) Millets         c) Bean          d) Castor 

In glycolysis from glucose to pyruvic acid involves more than seven reaction. Each individual reaction needs
 a) One molecule of ATP         b)    One molecule of ADP
 c) One molecule of NAD         d)    One molecule of specific enzyme

Which one is true for ATP?
 a) ATP is prosthetic part of an enzyme         b)    ATP is an enzyme
 c) ATP is organic ions of enzyme                 d)    ATP is a coenzyme

Oxidative phosphorylation refers to 
 a) Anaerobic production of ATP                    b)    The citric acid cycle production of ATP
 c) Production of ATP by chemiosmosis        d)    Alcoholic fermentation 

Which one is not correct about Krebs’ cycle?
 a) It is also called citric acid cycle
 b) The intermediate compound which links glycolysis with Krebs’ cycle is malic acid
 c) It occurs in mitochondria
 d) It starts with six carbon compound

Which specialised cell provides interconnectivity for air spaces?
 a) Parenchyma          b) Chlorenchyma         c) Sclerenchyma          d) None of these