Explore topic-wise MCQs in Life Sciences.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following enzyme is inhibited by Fluoroacetate in Krebs cycle?

A. Citrate synthase
B. Aconitase
C. Isocitrate dehydrogenase
D. Fumarase
Answer» C. Isocitrate dehydrogenase
2.

How many molecules of Co2 are produced by an acetyl group of acetyl-Co-A in a citric acid cycle?

A. 3
B. 5
C. 1
D. 2
Answer» E.
3.

Which of these following enzymes does not take part in pyruvate dehydrogenase complex?

A. Glyceraldehyde-3 phosphate dehydrogenase
B. Pyruvate dehydrogenase
C. Dihydrolipoyl transacetylase
D. Dihydrolipoyl dehydrogenase
Answer» B. Pyruvate dehydrogenase
4.

Name the site of pyruvate oxidation.

A. Cytosol
B. Mitochondrial matrix
C. Mitochondrial membrane
D. Nucleus
Answer» C. Mitochondrial membrane