Respiration in ...

Which of the following statements is/are false?

a. In anaerobic organisms, glycosis is the only process in respiration.
b. Glucose undergoes partial oxidation in glycosis to form two molecules of pyruvic acid.
c. Sucrose is converted into glucose and fructose by the enzyme hexokinase.

Which of the following is not a characteristic property of aerobic respiration?

Which of the following substrates would need to be broken down into glycerol and fatty acids first before entering the respiratory pathway?

a. Carbohydrates
b. Fats
c. Proteins

For entry into Krebs cycle, pyruvate formed during glycolysis is converted into

Which of the following statements is/are false?

a. The respiratory quotient depends upon the type of respiratory substrate used during respiration.
b. In oxidative phosphorylation, O₂ is the ultimate acceptor of electrons and it gets reduced to water.
c. The ratio of volume of CO₂ consumed to the volume of O₂ evolved in respiration is called as respiratory quotient.

Which of the following statements are correct?

(A) The oxidation of pyruvic acid molecules formed in glycolysis occurs inside the mitochondria.
(B) Acetyl COA is a 3-carbon compound.
(C) Under anaerobic conditions, the pyruvic acid formed during glycolysis is reduced to either ethyl alcohol or lactic acid.
(D) Acetyl COA molecules enter into cyclic reactions during Calvin's cycle.

Which of the following reactions are catalysed by the enzyme phosphofructokinase?

If the CO₂ content of atmosphere is as high as 300 parts per million, then

The enzyme fumarase catalyses the reaction