Science Riddles

100 Best Biology Riddles of All Time

Photo of Zam Zam Gillani Zam Zam GillaniJuly 29, 2025Last Updated: August 4, 2025
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Are you searching for biology riddles? You’re in the right place!

Whether you’re a teacher planning a fun classroom activity, an event organizer adding sparkle to your party, or a content creator in need of fresh ideas, we’ve got you covered. Our collection of 100 biology riddles spans all types and suits all age groups.

Let’s dive right in and start exploring these dazzling biology riddles!

Our interactive riddles system not only provides you riddles but also tracks your performance. Need a little boost? Hints are also available whenever you need a helping hand!

1: I carry genes from A to Z, twisted like a spiral sea.
2: This part’m the smallest unit of life, with organelles and tiny strife.
3: I’m the smallest unit of life, with organelles and tiny strife.
4: Without me, you couldn’t breathe, I’m leafy and green beneath.
5: Without me, you couldn’t breathe, I’m leafy and green beneath.
6: I pump your blood both day and night, a rhythmic beat with all my might.
7: I connect muscles to the bone, helping movement when you're grown.
8: I carry genes from A to Z, twisted like a spiral sea.
9: I fight off germs and all disease, keeping you healthy with expert ease.
10: I digest food without a knife, inside your belly, I work on life.
11: Without me, you couldn’t breathe, I’m leafy and green beneath.
12: I help you hear and balance too, with tiny hairs and fluid blue.
13: I’m the brain of the cell, I lead and command, without me, nothing would stand.
14: I’m the smallest unit of life, with organelles and tiny strife.
15: This part pump your blood both day and night, a rhythmic beat with all my might.
16: This part fight off germs and all disease, keeping you healthy with expert ease.
17: I carry genes from A to Z, twisted like a spiral sea.
18: I connect muscles to the bone, helping movement when you're grown.
19: Without me, you couldn’t breathe, I’m leafy and green beneath.
20: I connect muscles to the bone, helping movement when you're grown.
21: I digest food without a knife, inside your belly, I work on life.
22: I pump your blood both day and night, a rhythmic beat with all my might.
23: This part pump your blood both day and night, a rhythmic beat with all my might.
24: This part help you hear and balance too, with tiny hairs and fluid blue.
25: This part connect muscles to the bone, helping movement when you're grown.
26: I’m the brain of the cell, I lead and command, without me, nothing would stand.
27: I’m the brain of the cell, I lead and command, without me, nothing would stand.
28: This part pump your blood both day and night, a rhythmic beat with all my might.
29: This part’m the brain of the cell, This part lead and command, without me, nothing would stand.
30: I fight off germs and all disease, keeping you healthy with expert ease.
31: I pump your blood both day and night, a rhythmic beat with all my might.
32: This part’m the smallest unit of life, with organelles and tiny strife.
33: This part digest food without a knife, inside your belly, This part work on life.
34: I help you hear and balance too, with tiny hairs and fluid blue.
35: I digest food without a knife, inside your belly, I work on life.
36: Without me, you couldn’t breathe, I’m leafy and green beneath.
37: I’m made of bone and help you stand, give muscles grip and lend a hand.
38: I’m made of bone and help you stand, give muscles grip and lend a hand.
39: I fight off germs and all disease, keeping you healthy with expert ease.
40: This part carry genes from A to Z, twisted like a spiral sea.
41: This part digest food without a knife, inside your belly, This part work on life.
42: I digest food without a knife, inside your belly, I work on life.
43: I connect muscles to the bone, helping movement when you're grown.
44: I connect muscles to the bone, helping movement when you're grown.
45: I pump your blood both day and night, a rhythmic beat with all my might.
46: This part connect muscles to the bone, helping movement when you're grown.
47: I carry genes from A to Z, twisted like a spiral sea.
48: I’m the brain of the cell, I lead and command, without me, nothing would stand.
49: This part connect muscles to the bone, helping movement when you're grown.
50: I’m made of bone and help you stand, give muscles grip and lend a hand.
51: Without me, you couldn’t breathe, I’m leafy and green beneath.
52: I fight off germs and all disease, keeping you healthy with expert ease.
53: This part’m the smallest unit of life, with organelles and tiny strife.
54: This part connect muscles to the bone, helping movement when you're grown.
55: I connect muscles to the bone, helping movement when you're grown.
56: This part digest food without a knife, inside your belly, This part work on life.
57: I carry genes from A to Z, twisted like a spiral sea.
58: I’m the smallest unit of life, with organelles and tiny strife.
59: I connect muscles to the bone, helping movement when you're grown.
60: Without me, you couldn’t breathe, I’m leafy and green beneath.
61: I pump your blood both day and night, a rhythmic beat with all my might.
62: I help you hear and balance too, with tiny hairs and fluid blue.
63: I digest food without a knife, inside your belly, I work on life.
64: This part’m the smallest unit of life, with organelles and tiny strife.
65: I digest food without a knife, inside your belly, I work on life.
66: I carry genes from A to Z, twisted like a spiral sea.
67: I’m the smallest unit of life, with organelles and tiny strife.
68: Without me, you couldn’t breathe, This part’m leafy and green beneath.
69: I connect muscles to the bone, helping movement when you're grown.
70: I pump your blood both day and night, a rhythmic beat with all my might.
71: I connect muscles to the bone, helping movement when you're grown.
72: This part help you hear and balance too, with tiny hairs and fluid blue.
73: I pump your blood both day and night, a rhythmic beat with all my might.
74: I fight off germs and all disease, keeping you healthy with expert ease.
75: I carry genes from A to Z, twisted like a spiral sea.
76: This part connect muscles to the bone, helping movement when you're grown.
77: This part carry genes from A to Z, twisted like a spiral sea.
78: I digest food without a knife, inside your belly, I work on life.
79: I’m the brain of the cell, I lead and command, without me, nothing would stand.
80: I help you hear and balance too, with tiny hairs and fluid blue.
81: I help you hear and balance too, with tiny hairs and fluid blue.
82: I help you hear and balance too, with tiny hairs and fluid blue.
83: This part’m made of bone and help you stand, give muscles grip and lend a hand.
84: I connect muscles to the bone, helping movement when you're grown.
85: I pump your blood both day and night, a rhythmic beat with all my might.
86: I fight off germs and all disease, keeping you healthy with expert ease.
87: I help you hear and balance too, with tiny hairs and fluid blue.
88: I connect muscles to the bone, helping movement when you're grown.
89: I carry genes from A to Z, twisted like a spiral sea.
90: I pump your blood both day and night, a rhythmic beat with all my might.
91: I help you hear and balance too, with tiny hairs and fluid blue.
92: Without me, you couldn’t breathe, I’m leafy and green beneath.
93: Without me, you couldn’t breathe, I’m leafy and green beneath.
94: I fight off germs and all disease, keeping you healthy with expert ease.
95: This part connect muscles to the bone, helping movement when you're grown.
96: I fight off germs and all disease, keeping you healthy with expert ease.
97: I carry genes from A to Z, twisted like a spiral sea.
98: This part’m the brain of the cell, This part lead and command, without me, nothing would stand.
99: I’m the brain of the cell, I lead and command, without me, nothing would stand.
100: I’m the brain of the cell, I lead and command, without me, nothing would stand.
Photo of Zam Zam Gillani Zam Zam GillaniJuly 29, 2025Last Updated: August 4, 2025
0 21
Photo of Zam Zam Gillani

Zam Zam Gillani

Hello, I’m Zam Zam Gillani, the creator of RiddlesHub.com. In an age where AI is generating more and more content, this blog stands out as a human-crafted space built with creativity, care, and a genuine love for riddles. Every puzzle shared here is thoughtfully selected or written to challenge your thinking and spark a smile. RiddlesHub is a reminder that human curiosity, imagination, and playfulness are still at the heart of great storytelling—and great riddles.

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