Explore topic-wise MCQs in Biology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Pyruvic acid and pyruvate are the same substance itself.

A. True
B. False
Answer» B. False
2.

The scientists that discovered glycolysis are ______

A. Embden, Meyerhof, and Parnas
B. Hans Kreb and John Dalton
C. Rudolf Virchow and Robert Brown
D. Robert Hooke only
Answer» B. Hans Kreb and John Dalton
3.

The gateway reaction takes place under the enzyme pyruvate dehydrogenase.

A. True
B. False
Answer» B. False
4.

During glycolysis, one NADH is equivalent to _______ number of ATP.

A. 4
B. 3
C. 2
D. 1
Answer» C. 2
5.

The enzyme that serves as the connecting link between glycolysis and Krebs cycle is ______

A. phosphoenolpyruvic acid
B. glyceraldehyde
C. acetyl CoA
D. isomerase
Answer» D. isomerase
6.

Name the protein that helps pyruvate enter into the mitochondrial matrix.

A. Transport protein
B. Contractile protein
C. Adipose protein
D. Secretory protein
Answer» B. Contractile protein
7.

The net gain of ATP in glycolysis is _____ ATP

A. 16
B. 32
C. 4
D. 8
Answer» E.
8.

In glycolysis, one molecule of glucose is reduced to_______

A. fructose
B. pyruvate
C. phosphate
D. phosphoglycerate
Answer» C. phosphate
9.

Which is considered as the universal pathway in a biological system?

A. Krebs cycle
B. Electron Transport System
C. Glycolysis
D. Photo Oxidation
Answer» D. Photo Oxidation
10.

Glycolysis is also called ________

A. EMP pathway
B. FMR pathway
C. LMS pathway
D. OMS pathway
Answer» B. FMR pathway