981+Biology Jokes for Students Who Need a Laugh

If you’re a lab geek, a pun lover, or just trying to survive biology class, these 981+ biology jokes are genetically engineered to make your funny bone evolve!

From pun-filled cell humor to mitochondria madness, this is where science and silliness collide. Let’s get biochemical with the laughs—no microscope needed!

Funny Biology Joke

🧬 Are you DNA? Because I feel like we’re meant to pair.
🧠 You’re the only organism I’d never evolve past.
🔬 Are you made of copper and tellurium? Because you’re Cu-Te.
🧫 Baby, you must be a Petri dish, cause you’ve got me growing feelings.
🧪 I must be an enzyme, because I’m falling for your substrate.
💉 You must be a vaccine, because my heart races when you’re around.
🌱 Let’s photosynthesize under the moonlight.
🔭 Are you a microscope? Because you make my world clearer.
🧫 You’re the nucleus of my heart.
🧬 I wish I were adenine, so I could pair with U.
🧠 You’re like a neuron—one of a kind in my brain.
🧪 I must be a catalyst, because you just sped up my heart rate.
🌿 Are you chlorophyll? Because you light up my life.
🧫 You’re my control variable—I can’t experiment without you.
🦠 Our chemistry is better than any biology class.

Cell Biology Joke

🧫 Are you a mitochondrion? Because you’re the powerhouse of my soul.
🔬 You make my membrane tingle.
🧬 I’m cell-fish when it comes to you.
🧠 Without you, I’m like a cell without a nucleus—lost.
🧫 You must be cytoplasm, because you hold me together.
🧪 Are you a lysosome? Because you break down my defenses.
🧬 Let’s replicate our love like mitosis.
🔬 You’re more attractive than a charged ion.
🧫 My love for you is selectively permeable.
🧠 You’re embedded in my lipid bilayer.
🧬 Our bond is tighter than phospholipid heads.
🧫 Let’s fuse like two cells.
🧪 You must be Golgi apparatus, because you package my happiness.
🧬 You and I together? That’s a complete cell.
🔬 Are you a ribosome? Because you help build my love.

Marine Biology Joke

🐠 Are you plankton? Because I drift toward you.
🌊 My heart beats like a tidal wave when I see you.
🐬 You must be a dolphin, because you’ve got me flipping.
🐙 You octopi my thoughts all day.
🌊 Let’s dive deep into each other’s feelings.
🐠 You must be bioluminescent, cause you light up the deep sea of my heart.
🐋 Whale, hello there gorgeous.
🦀 Don’t be shellfish—give me your number.
🐚 Are you a clam? Because you’ve got a pearl of a personality.
🐠 You had me at seaweed.
🐡 I’m hooked on your love.
🌊 You’re hotter than hydrothermal vents.
🐙 Can I be the current that pulls you in?
🐬 We have a fin-tastic connection.
🐳 Let’s krill time together.

Christmas Biology Joke

🎄 Are you a snowflake? Because your structure is beautiful and unique.
🎁 You must be tinsel RNA—decorating my tree of life.
❄️ I’d travel through icy mitochondria to be with you.
🎄 Baby, it’s cold outside but our DNA is warm.
🎁 I’d clone myself just to spend Christmas with you twice.
❄️ You light up my nucleotides.
🎄 Let’s exchange genetic gifts this holiday.
🎁 All I want for Christmas is eukary-you.
❄️ You make my heart frost over—in the best way.
🎄 Christmas trees aren’t the only thing lighting up—I am when I see you.
🎁 You’ve got more sparkle than fluorescent proteins.
❄️ Let’s wrap ourselves in cell walls and cuddle.
🎄 You must be North Pole RNA—guiding my sleigh of love.
🎁 Christmas without you? That’s like biology without DNA.
❄️ I sleigh for your mitosis.

Dirty Biology Jokes

Are you mitosis? Because you’re making my nucleus divide.
You must be made of copper and tellurium… because you’re Cu-Te.
Why don’t biologists trust atoms? Because they split when things get heated.
I wish I was adenine… so I could be paired up with U.
Are you DNA helicase? Because you’re unzipping my genes.
What’s a biologist’s favorite pickup line? “You make my stem elongate.”
Why was the biology student blushing? The professor talked about mating cells.
Are you oxygen? Because without you, I can’t function properly.

Biology Jokes for Kids

Why are biology books so funny? Because they’re full of “organ”-ized jokes.
What did one cell say to his sister cell when she stepped on his toe? Mitosis!
Why are biologists so good at solving problems? They always find a solution.
What did the biologist wear to impress? Designer genes.
Why was the mushroom invited to all the parties? Because he was a fungi!
Why did the germ cross the microscope? To get to the other slide.
Why did the biologist go on a diet? Too many calories.
What do you call an educated tube? A graduated cylinder.

Biology Jokes About Cells

Why was the cell phone sad? It lost its signal.
Why can’t cells ever get lost? Because they always follow the nucleus.
What’s a cell’s favorite type of music? Cell-o.
Why did the cell break up with its partner? There was no chemistry.
Why don’t cells ever get lonely? Because they always come with organelles.
What’s a cell’s favorite game? Hide and peep (through a microscope).
Why do cells love puns? Because they’re pun-ctuated with mitosis.
What did the nucleus say to the mitochondria? “You’re the powerhouse of my life.”