Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Mannitol enzyme II has been purified from _____________

A. E.coli
B. Salmonella typhimurium
C. Saccharomyces cerevisiae
D. Lactobacillus
Answer» B. Salmonella typhimurium
2.

In phosphotransferase system(PTS), the sugar-phosphate is released inside the cell by which of the following?

A. Enzyme I
B. Enzyme II
C. Enzyme III
D. HPr
Answer» C. Enzyme III
3.

HPr stands for ______________

A. heat-stable carrier protein
B. hydrogen carrier protein
C. pyruvate dehydrogenase
D. high-energy protein
Answer» B. hydrogen carrier protein
4.

Which of the following has no detectable ATPase activity?

A. cilia
B. eukaryotic flagella
C. bacterial flagella
D. endoflagella
Answer» D. endoflagella
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