Cell Structure & Organelles MCQs with Answers

Proteases belong to which class of enzymes?

• A.Oxidoreductases
• B.Transferases
• C.Hydrolases
• D.Lyases

Which of the following pathways outlines the order of events during aerobic cellular respiration? First — Last

• A.Glucose — triose phosphate — pyruvate — Krebs cycle — CO₂ + H₂O + ATP
• B.Pyruvate — glucose — triose phosphate — Krebs cycle — CO₂ + H₂O + ATP
• C.Glucose — pyruvate — triose phosphate — electron transport chain — CO₂ + H₂O + ATP
• D.Triose phosphate — glucose — Krebs cycle — pyruvate — CO₂ + H₂O + ATP

The synthesis of ATP in the presence of oxygen is called ?

• A.Glycolysis
• B.Substrate-level phosphorylation
• C.Photophosphorylation
• D.Oxidative phosphorylation

Past Paper MCQ

The size of animal and plant is increase by _?

• A.Mitosis
• B.Meiosis
• C.Fertilization
• D.Differentiation

To account for the cell, which apparatus is used?

• A.Cell counter
• B.Spectrophotometer
• C.Centrifuge
• D.Microtome

Glycolysis converts _

• A.Pyruvate into acetyl-CoA
• B.Pyruvate into glucose
• C.Glucose into lactate
• D.Glucose into pyruvate

Enzyme changes in pH can cause enzymes to ?

• A.Change color
• B.Activate faster
• C.Reproduce
• D.Denature

The non-protein part of enzyme is _?

• A.Substrate
• B.Apoenzyme
• C.Holoenzyme
• D.Co-factor

The covalently bonded non-protein part of enzyme is called _?

• A.Cofactor
• B.Coenzyme
• C.Apoenzyme
• D.Prosthetic group

Krebs cycle is also called _?

• A.Citric acid cycle
• B.Calvin cycle
• C.Glycolysis cycle
• D.Nitrogen cycle