6. Pyruvic acid, the key product of glycolysis, can have many metabolic fates. Under aerobic condition it forms
(a) Lactic acid
(b) CO2 + H2O
(c) Acetyl CoA + CO2
(d) Ethanol + CO2
Answer: C
7. Electron Transport System (ETS) is located in the mitochondrial
(a) Outer membrane
(b) Inter membrane space
(c) Inner membrane
(d) Matrix
Answer: C
8. Which of the following exhibits the highest rate of respiration?
(a) Growing shoot apex
(b) Germinating seed
(c) Root tip
(d) Matrix
Answer: C
9. Choose the correct statement:
(a) Pyruvate is formed in the mitochondrial matrix.
(b) During the conversion of succinyl Co-A to succinic acid a molecule of ATP is synthesized.
(c) Oxygen is vital in respiration for removal of hydrogen.
(d) There is complete breakdown of glucose in fermentation
Answer: B
10. Mitochondria are called powerhouses of the cell. Which of the following observations supports this statement?
(a) Mitochondria synthesise ATP.
(b) Mitochondria have a double membrane.
(c) The enzymes of the Krebs cycle and the cytochromes are found in mitochondria.
(d) Mitochondria are found in almost all plants and animal cells.
Answer: A
Table of Contents
ALSO WATCH : Respiration
ALSO VISIT: PHOTOSYNTHESIS IN HIGHER PLANTS
