Subcategory

Biology Riddles

Part of Science Riddles collection

Explore 179+ unique, interactive biology riddles puzzles.

Discover life science puzzles about cells, anatomy, ecosystems, and natural science.

Interactive Riddle Challenge

Showing Biology Riddles riddles

The Goodnight Text

I am the last message you send every night. I usually include a heart...

4,018 solved Biology Riddles

Honey, babe, sweetheart, darling — these are all examples of me. What am I?

18,777 solved Biology Riddles

The Crunchy Red

I am red and crunchy. I grow on trees. You can make juice or...

9,161 solved Biology Riddles

The Tall Flower

I am very tall and yellow. I face the sun and my seeds are...

7,667 solved Biology Riddles

In autumn I fall from trees in red, yellow, and orange. Kids love to...

6,133 solved Biology Riddles

I am inside every cell of your body. I am shaped like a twisted...

22,863 solved Biology Riddles

The Fossil Hunter

I am the preserved remains of an animal or plant from millions of years...

7,937 solved Biology Riddles

The Binary Brain

Computers only understand two numbers: 0 and 1. What is this number system called?

8,084 solved Biology Riddles

The Optical Trick

I am a picture that tricks your brain into seeing something that is not...

10,531 solved Biology Riddles

The Periodic Table

I organize all known elements by their atomic number. Hydrogen is my number one....

17,041 solved Biology Riddles

The Nose Color Science

Rudolphs nose appears red because reindeer noses have a very dense network of blood...

5,565 solved Biology Riddles

The Bee and Tree

I buzz and fly from flower to flower. I make sweet honey hour after...

13,688 solved Biology Riddles

‹ Prev
1
2
3
4
5
6
…
15
Next ›

PDF • Printable Riddles

Generate Printable Riddles PDF

Create custom PDF riddle activity books, kids classroom quizzes & brain teaser sheets with automatic answer keys in seconds.

Generate Biology Riddles Riddles PDF →

🧠 Play Today's Riddle