How many ATP molecules are directly synthesized in glycolytic pathway from one glucose molecule?

1. 2	2. 4
3. 6	4. 10

What is the metabolic fate of pyruvate?
1. It is the end product of glycolytic pathway
2. It is reduced to acetyl CoA in the presence of oxygen
3. It depends on the cellular needs
4. It is decarboxylated in the cytosol

Based on the information given in Section 14.3 of your NCERT textbook, can you identify the chemical reaction catalyzed by the enzyme alcohol dehydrogenase?
1.${\mathrm{C}}_{12}{\mathrm{H}}_{22}{\mathrm{O}}_{11}+{\mathrm{H}}_2\mathrm{O}\to 2{\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$
2.${\mathrm{CH}}_3{\mathrm{COCOO}}^{-}+{\mathrm{H}}^{+}\to {\mathrm{CH}}_3\mathrm{CHO}+{\mathrm{CO}}_2$
3. ${\mathrm{CH}}_3\mathrm{CHO}+\mathrm{NADH}+{\mathrm{H}}^{+}\to {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}+{\mathrm{NAD}}^{+}$
4. None of these

The maximum concentration of alcohol in beverages that are naturally fermented is about:

Pyruvate is transported into the mitochondria by:
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Either 2 or 3, depending on the availability of oxygen

The continued oxidation of acetyl CoA via the TCA cycle requires the continued replenishment of:

At how many points in the TCA cycle is ${\mathrm{NAD}}^{+}$ reduced to NADH + ${\mathrm{H}}^{+}$?

During the conversion of succinyl CoA to succinic acid in TCA cycle:
1. One molecule of ATP is directly synthesized
2. ${\mathrm{NAD}}^{+}$ is reduced
3. FAD is reduced
4. One molecule of GTP is synthesized

The electron transport system in mitochondria is located in the:
1. Inner mitochondrial membrane
2. Outer mitochondrial membrane
3. Inter membrane space
4. Matrix

Ubiquinone receives reducing equivalents via: