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Turn your NCERT Class 12 biology chapters into flashcards

Ready-made card sets rarely match your syllabus edition. Upload your chapter PDF, notes, or photos of pages and get flashcards built from that exact text.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Why make your own NCERT biology cards

Class 12 biology covers a lot of ground, and NCERT Class 12 biology flashcards are a practical way to keep definitions, processes and diagram labels fresh before exams.

Upload NCERT chapter PDFs, DOCX files, or photos of textbook pages
Cards can cover reproduction, genetics, evolution, ecology and biotechnology
Spaced repetition schedules reviews around the cards you forget
Export to Anki or CSV on the Plus plan

Example NCERT Class 12 biology flashcards

What is double fertilization in angiosperms?One sperm fuses with the egg to form the zygote, and the other fuses with two polar nuclei to form the triploid endosperm.

What does the Hardy-Weinberg equation p² + 2pq + q² = 1 describe?The genotype frequencies in a population at equilibrium, assuming no selection, mutation, migration, drift, or non-random mating.

Why is the lagging strand made in fragments during DNA replication?DNA polymerase synthesizes only in the 5' to 3' direction, so the lagging strand forms Okazaki fragments that DNA ligase later joins.

What acts as the inducer in the lac operon?Allolactose, a derivative of lactose, binds the repressor and releases it from the operator so transcription can proceed.

What is net primary productivity?Gross primary productivity minus the energy producers lose through respiration, which is the energy available to consumers.

Generate the full set

Your own NCERT text

Upload the chapter PDF or scanned pages and the cards come from your edition.

Spaced repetition

Cards you miss return sooner, while the ones you know wait longer.

Exports when you need them

Plus users can export to Anki, CSV, PDF, or DOCX.

How it works

Upload your chapter

Add a PDF, DOCX, slides, notes, or a photo of the page.

Review the cards

Edit the flashcards DeckOwl creates from the text before you study.

Study on schedule

Spaced repetition brings back the cards you are most likely to forget.

Printed sets of ready-made cards rarely follow your school's syllabus or the textbook edition you actually use. DeckOwl works from the material you already have: upload your NCERT chapter PDF, typed notes, or photos of pages, and get flashcards drawn from that text. Spaced repetition then schedules each card so the hardest terms come back more often.

The free plan includes 3 generations per month and studying in the browser. Plus, at $99.90/year or $9.99/month, adds unlimited generations and exports to Anki, CSV, PDF, and DOCX.

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Frequently asked questions

How many flashcards should I make for one NCERT Class 12 biology chapter?

There is no fixed number. Aim for one card per definition, process step, or labeled diagram part, and cut any card you can already answer without thinking.

Which NCERT Class 12 biology topics work best as flashcards?

Topics heavy on terms and sequences, such as reproductive stages, genetics terminology, and ecology definitions, suit flashcards well. Explanations that need connected reasoning are better practiced with quizzes or mind maps.

Can I export these flashcards to Anki?

Yes, but export is a paid feature. Plus includes exports to Anki, CSV, PDF, and DOCX for $99.90/year or $9.99/month.

Is there a free plan to try it first?

Yes. The free plan gives you 3 generations per month and lets you study in the browser, and no credit card is needed to start.

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