Why do leaves look green?
Because chlorophyll mainly absorbs red and blue light, but reflects green light.
AI flashcards · open answers
Generate AI flashcards, practice with open answers, and get direct feedback based on meaning—not exact wording.
Because chlorophyll mainly absorbs red and blue light, but reflects green light.

You correctly identified the role of chlorophyll and explained what happens to green light.
01 · Organize your library
Structure a subject into books and quizzes, then practice with questions that preserve their full context.
A collection for understanding how living things obtain energy, reproduce, and maintain essential cellular processes.

Understand how plants convert light energy into chemical energy.
Review without pressure.Open Flashcards to review questions and answers without a timer. Review does not grant XP or change your metrics.
The action spectrum of photosynthesis closely matches the absorption spectrum of chlorophyll.
ATP supplies the energy that drives the Calvin cycle reactions used to form sugars.
02 · Choose how to practice
Both modes evaluate you in the same way. What changes is how questions appear: follow an order you choose or let Rephora prioritize your weak points.
Choose how to move through your questions: by recent activity or creation date. You decide where to begin.

Rephora prioritizes questions with a lower average score. Questions you already master can still appear, but with lower probability.
Lower average → higher probability

03 · Results that move you forward
After every answer, Rephora identifies what you understood and what needs reinforcement. When the session ends, the result updates your library, adds experience, and makes your progress visible.
Because chlorophyll mainly absorbs red and blue light, but reflects green light.
What you understood wellYou correctly identified the role of chlorophyll and what happens to green light.
What you can improveConnect reflected light with the color we ultimately perceive.

Your result brings together every answer from this session.
The score becomes part of the question, quiz, and book averages.
Different ways to stand out
Compare your progress by experience, consistency, accuracy, or efficiency. There is no single way to progress in Rephora.
04 · Your progress takes shape
Every evaluation adds XP. As you level up, your island evolves and you unlock new Raphi avatars and songs for Raphi Radio.
You need 540 XP to reach the next evolution.
Next evolution: level 9


Journey rewards
New levels unlock redeemable avatars to personalize Raphi and songs that join your study station.





Unlock the station at level 1. After that, every level adds new songs.