Memojin
Diagrams, cycles, the vocabulary of life

Biology is retained through the diagram.

Recognising an organelle on a drawing is not naming it. Memojin puts the image inside the question and hides the labels: you have to produce the word, not spot it in a list — which is exactly what the exam asks.
Revise biology →
Free to start
Image question
Name items 1, 2 and 3 on this diagram
1 · plasma membrane — 2 · nucleus — 3 · mitochondrion
The problem

The diagram looks familiar, and in front of a blank paper you dry up.

This is the trap peculiar to the subject: seeing the same plate over and over makes you believe you know it. Visual recognition is immediate and deceptive; producing the vocabulary only comes at the cost of deliberate practice.
Numbered markers, not labels
The diagram arrives with its numbers and without its names. You must name one, two, three — the exam exercise, not its comfortable version.
A vast vocabulary, in small units
This discipline demands hundreds of precise terms. That volume is absorbed through short, frequent cards, never through one night of cramming.
Cycles are revised step by step
Cell cycle, water cycle, respiratory chain: you cut them up, then ask for the step that follows. That is how the order is retained, not the illustration.
From your notes to cards

One labelled plate, three cards.

The diagram goes into the question itself; the other two cards take over on vocabulary.
Uploaded excerpt · the eukaryotic cell
The cell is bounded by a plasma membrane. The nucleus holds the genetic material. Mitochondria handle energy production. Photosynthesis takes place in the chloroplasts of plant cells.
gives
Image question
Name items 1, 2 and 3 on this diagram
1 · plasma membrane — 2 · nucleus — 3 · mitochondrion
Two-sided
What is the role of the mitochondrion?
To produce ATP, the cell's energy currency.
Multiple choice
Where does photosynthesis take place?
In the chloroplast
In the nucleus
In the mitochondrion
In the cytoplasm
The right shapes

What works on living systems

Visual support changes everything, provided it poses the question instead of illustrating the answer.
Image question
The diagram is in the prompt, the labels are to be produced. It is the only shape that reproduces the marked exercise.
Two-sided
For functions and roles, where the answer is a sentence rather than a single word.
Multiple choice
Useful when the confusions are known in advance: two neighbouring organelles, two adjacent compartments.
Your sources

Your plates and your notes

The textbook chapter, a photo of a labelled plate, the teacher's slides: the image counts as much as the text.
PDF
A chapter, a handout, a past paper with answers.
Word
Your own notes, in .doc as well as .docx.
PowerPoint
The lecture deck, exactly as you were given it.
Photo of your notes
The whiteboard or your notebook, as JPG or PNG.
YouTube video
An online lecture, straight from its address.
Pasted text
Three paragraphs are enough to make a deck.
Anki import
Your old deck finds its place again, in its own window.
On exam day

Up to the exam

With the countdown recorded, the shakiest notions come round more often as the date approaches. Holiday periods are still respected. The method, in detail →

Frequently asked questions

How does an image question work?

The image is carried by the question, with numbered markers. You answer by naming each marker, then turn the card to check. It is not decorative illustration, it is the support of the exercise.

Can I start from a photographed plate?

Yes, as JPG or PNG. It is the most direct route for a plate labelled by hand, the one in your notebook or on the board.

How do I retain that much vocabulary?

By accepting that volume is the real problem and treating it as such: many very short cards, seen for a few seconds, at computed intervals. That is the regime spaced repetition exists for.

What about biological cycles?

Cut them up. One card per step, and one card for the whole sequence. The question 'what comes next?' beats a picture of the entire cycle, which you always think you know.

Recognising a diagram has never amounted to being able to label it.

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