Question:
Which of the following has largest size?
Which of the following has largest size?
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Compare typical sizes in nanometres and micrometres.
Updated On: Oct 1, 2026
- Antibody
- Virus
- Bacteria
- Cancer cell
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
These four objects differ by several orders of magnitude in size. An antibody is a protein molecule, a virus is a particle, a bacterium is a single cell, and a cancer cell is a eukaryotic cell.
Step 2: Key Formula or Approach:
Typical sizes: antibody about \(10\) nm; virus about \(20-300\) nm; bacterium about \(1-5\ \mu\text{m}\); cancer cell (human) about \(10-20\ \mu\text{m}\).
Step 3: Detailed Explanation:
Order: antibody < virus < bacteria < cancer cell.
Eukaryotic cells, such as a human cancer cell, are generally many times larger than bacterial cells, which are generally many times larger than viruses.
Final Answer:
The cancer cell is the largest, option (D). \[ \boxed{\text{Cancer cell}} \]
These four objects differ by several orders of magnitude in size. An antibody is a protein molecule, a virus is a particle, a bacterium is a single cell, and a cancer cell is a eukaryotic cell.
Step 2: Key Formula or Approach:
Typical sizes: antibody about \(10\) nm; virus about \(20-300\) nm; bacterium about \(1-5\ \mu\text{m}\); cancer cell (human) about \(10-20\ \mu\text{m}\).
Step 3: Detailed Explanation:
Order: antibody < virus < bacteria < cancer cell.
Eukaryotic cells, such as a human cancer cell, are generally many times larger than bacterial cells, which are generally many times larger than viruses.
Final Answer:
The cancer cell is the largest, option (D). \[ \boxed{\text{Cancer cell}} \]
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