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SingaporeBiology

Cell Structure and Organisation

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How are plant and animal cells alike, and how do they differ?

Compare the structure of typical plant and animal cells and relate specialised cells to their functions
A focused answer to the O-Level Biology outcome on comparing plant and animal cells. Shared and unique structures, a clear comparison table in words, and how specialised cells are adapted to their functions.
8 min answer →

How are cells organised into tissues, organs and systems in a large organism?

Describe the levels of organisation from cell to tissue to organ to organ system to organism
A focused answer to the O-Level Biology outcome on biological organisation. The sequence from cell to tissue to organ to system to organism, with clear examples and why division of labour matters.
7 min answer →

What are the parts of a typical cell, and what does each part do?

Identify the main organelles of plant and animal cells and state the function of each
A focused answer to the O-Level Biology outcome on cell structure. The main organelles of plant and animal cells, the job each one does, and how to label them on a diagram for full marks.
8 min answer →

How do we use a light microscope to see cells, and how do we calculate magnification?

Use a light microscope to observe cells and calculate magnification and actual size
A focused answer to the O-Level Biology outcome on microscopy. Parts of the light microscope, how to prepare and view a slide, and how to calculate magnification, actual size and image size with worked numbers.
8 min answer →