64 questions · Class 10 set in English & ଓଡ଼ିଆ · free
Test what you know about your own eyes
From the cornea's focusing power to why the sky is blue — answer, then read a short explanation after every question. Made for Class 10 students, senior science learners and anyone curious.
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1 quizzes finished · average 30%
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Questions come in a new order each time. Your name goes on the leaderboard when you finish.
Did you know
Each retina holds about 120 million rods — yet only 1.2 million fibres carry the picture to your brain.
That hundred-to-one squeeze is why the fovea, with its cones wired almost one-to-one, is where you read these words.
Leaderboard
Top ten by score, then by time.
| # | Name | Quiz | Score | Time |
|---|---|---|---|---|
| 1 | KC NAYAK | Mixed challenge | 3/10 | 39s |