Explore topic-wise MCQs in Cell Biology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

For each molecule of glucose, how many times does the TCA cycle proceed?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
2.

The enzyme aconitase is responsible for ________________

A. polymerization
B. degradation
C. assembly
D. isomerization
Answer» E.
3.

In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound?

A. oxaloacetate
B. glucose
C. pyruvate
D. thiamine
Answer» B. glucose
4.

Acetyl CoA is a _____________ carbon compound.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
5.

Polysaccharides, fats and proteins break down into metabolites of __________________

A. Glycolysis
B. TCA cycle
C. RNA repair
D. Membrane synthesis
Answer» C. RNA repair
6.

Which of the following is an important end product of disassembly of fatty acids?

A. Acetyl CoA
B. Succinate dehydrogenase
C. Pyruvate
D. DNA gyrase
Answer» B. Succinate dehydrogenase
7.

How many reactions that occur in the TCA cycle transfer electrons from a substrate to an electron accepting enzyme?

A. 1
B. 2
C. 3
D. 4
Answer» E.
8.

Which of the following is also known as Krebs cycle?

A. Electron transport chain
B. Glycolysis
C. TCA cycle
D. DNA Replication
Answer» D. DNA Replication
9.

All enzymes of the TCA cycle reside in the mitochondrial membrane.

A. True
B. False
Answer» C.