Cell Biology & Physiology

Educational note: This page supports academic biology learning and exam preparation. Verify syllabus-specific details with your teacher, textbook, and institution.
শিক্ষামূলক নোট: এই পৃষ্ঠা একাডেমিক জীববিজ্ঞান শেখা ও পরীক্ষার প্রস্তুতির সহায়ক।

Cell Biology & Physiology MCQ Bank

This data-bank page supports assessment on the living cell as the functional unit of life. The quiz focuses on organelles, membrane logic, cellular metabolism, cell cycle, chromosome behaviour, mitosis, meiosis, and the relationship between microscopic structure and physiological function.

What to revise

Before attempting the quiz, revise cell theory, prokaryotic and eukaryotic cell differences, organelle functions, transport across membranes, enzyme-controlled reactions, DNA organization, and the stages of cell division. Most incorrect answers in cell biology come from confusing similar organelles or mixing up sequence-based events.

Learning target

The target is not random answering. The target is to identify the concept in the stem, reject biologically impossible options, and use the explanation to strengthen concept memory.

Interactive Diagnostic Membrane

Cell Biology & Physiology

⏱️ Matrix Time: 10 Mins

Q1. Which organelle is primarily responsible for ATP synthesis via oxidative phosphorylation?

a. Endoplasmic Reticulum b. Golgi Apparatus c. Mitochondria d. Lysosome

Answer Explanation & Validity Logic: Mitochondria house the electron transport chain and ATP synthase complexes on their inner membrane, making them the primary site of aerobic ATP production.

Q2. During which phase of the cell cycle does DNA replication occur?

a. G1 Phase b. S Phase c. G2 Phase d. M Phase

Answer Explanation & Validity Logic: The S (Synthesis) phase is the specific period during interphase when the cell replicates its entire genome in preparation for mitosis.