AIIMS Practice Quiz

Question 1

Which cell organelle is primarily responsible for ATP synthesis through oxidative phosphorylation in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 2

A mutation destroys the signal peptide that normally directs a lysosomal enzyme into the rough ER. What is the most likely immediate consequence?

Accepted Answer

The enzyme will remain in the cytosol after synthesis on free ribosomes

Question 3

Which statement correctly distinguishes smooth endoplasmic reticulum from rough endoplasmic reticulum?

Accepted Answer

Smooth ER is involved in lipid synthesis and detoxification

Question 4

Which organelle is most directly involved in detoxification of hydrogen peroxide generated during fatty acid oxidation?

Accepted Answer

Peroxisome

AIIMS — Guides