3
MCQ (Single Correct Answer)
Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition it forms
A
lactic acid
B
$\mathrm{CO}_2+\mathrm{H}_2 \mathrm{O}$
C
acetyl $\mathrm{Co}-\mathrm{A}+\mathrm{CO}_2$
D
ethanol $+\mathrm{CO}_2$
4
MCQ (Single Correct Answer)
Electron Transport System (ETS) is located in mitochondrial
A
outer membrane
B
inter membrane space
C
inner membrane
D
matrix
5
MCQ (Single Correct Answer)
Which of the following exhibits the highest rate of respiration?
A
Growing shoot apex
B
Germinating seed
C
Root tip
D
Leaf bud
6
MCQ (Single Correct Answer)
Mitochondria are called powerhouses of the cell. Which of the following observations support 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.
7
MCQ (Single Correct Answer)
The end product of oxidative phosphorylation is
A
NADH
B
oxygen
C
ADP
D
$\mathrm{ATP}+\mathrm{H}_2 \mathrm{O}$