Trivia Quiz on Biochemistry
Tuesday, October 28, 2025
A ready-made science quiz that you can use in virtual and in-person events (Zoom, Teams, YouTube Live, Twitch, conferences, meetings, classrooms, etc.)
Flex your science brain with this 51‑question biochemistry showdown covering acids, vitamins, DNA, enzymes, and more. Perfect for quick-fire rounds, study sessions, or a friendly lab-to-living-room challenge.
Welcome to the Biochemistry Quiz—an energetic, group-friendly set of 51 multiple‑choice questions that put your knowledge of molecules, metabolism, and macromolecules to the test. Expect a balanced mix of entry‑level to tricky items on topics like stomach acids, vitamins, DNA structure, enzymes, hormones, lipids, and cellular processes such as respiration and photosynthesis. It’s designed for teams and groups, so you can easily split into squads for head‑to‑head rounds, run timed lightning questions, or keep a rolling leaderboard for bragging rights. Perfect for online classes, revision nights, lab socials, office science days, or a livestream challenge, it plays smoothly in Zoom, Microsoft Teams, Google Meet, YouTube Live, Twitch, or Kick. Duplicate the quiz with a single click, share your screen, and you’re ready to host—no complex setup required. Mix in themed rounds (e.g., “Vitamins and Minerals” or “DNA & Genetics”), assign captains, and rotate spokespersons to keep everyone engaged. Whether you’re a teacher, a club organizer, or a streamer looking for an interactive science segment, this biochem bundle brings fast-paced, informative fun to any session.
1. What acid is produced in the stomach
A) Hydrofluoric acid
B) Hydrochloric
C) Sulfuric acid
D) Acetic acid
--
2. Which protein forms nails and hair
A) Collagen
B) Elastin
C) Myosin
D) Keratin
--
3. What protein makes blood red
A) Myoglobin
B) Albumin
C) Haemoglobin
D) Fibrinogen
--
4. Effect A complex alcohol constituent of all animal fats and oils
A) Cholesterol
B) Cholesteryl ester
C) Triglyceride
D) Phospholipid
--
5. Lack of vitamin B1 causes what condition
A) Scurvy
B) Rickets
C) Pellagra
D) Beri Beri
--
6. Which acid builds up in the body during excessive exercise
A) Pyruvic acid
B) Citric acid
C) Acetic acid
D) Lactic
--
7. DNA stands for what
A) Ribonucleic acid
B) Deoxyribose nucleic acid
C) Deoxyribonucleic acid
D) Nucleic acid
--
8. What is a lipid
A) Protein
B) Carbohydrate
C) Nucleic acid
D) Fat
--
9. What is penicillin made of
A) Bread mould
B) Cheese mould
C) Mould spores
D) Milk protein
--
10. Lack of what makes albinos
A) Melanin
B) Pigment
C) Carotene
D) Iron
--
11. Bilrubin is produced by what part of the body
A) Liver
B) Spleen
C) Kidneys
D) Pancreas
--
12. What does atp stand for
A) Adenosine triphosphate
B) Adenosine diphosphate
C) Adenine triphosphate
D) Adenine triphosphoryl acid
--
13. Which chemical compound in the body is linked to hardening of the arteries
A) Triglycerides
B) Cholesterol
C) Calcium
D) Homocysteine
--
14. What is the more common name for grape sugar
A) Fructose
B) Galactose
C) Glucose
D) Sucrose
--
15. Which acid gives nettles their sting
A) Acetic acid
B) Citric acid
C) Hydrochloric acid
D) Formic acid
--
16. Which compound forms about 70% of the human body
A) Proteins
B) Lipids
C) Water
D) Minerals
--
17. What pigment affects the colour of the hair & skin
A) Melanin
B) Carotene
C) Hemoglobin
D) Chlorophyll
--
18. What year was DNA first determined
A) 1944
B) 1952
C) 1953
D) 1962
--
19. What type of chemical are adrenaline and oestrogen
A) Hormones
B) Neurotransmitters
C) Enzymes
D) Steroids
--
20. A complex alcohol constituent of all animal fats and oils
A) Cholesterol
B) Glycerol
C) Cholesteryl ester
D) Triglyceride
--
21. What is the general name for a protein molecule which acts as a natural catalyst in the bodies of all bacteria, plants and animals
A) Hormone
B) Enzyme
C) Antibody
D) Coenzyme
--
22. Cytosine, Adenine, Thymine And Guanine Are The Basic Requirements For Which Compound
A) RNA
B) Nucleotides
C) Proteins
D) DNA
--
23. Battle of the Somme With what acid do nettles cause irritation
A) Formic acid
B) Acetic acid
C) Citric acid
D) Lactic acid
--
24. Lack of which chemical compound in the body is linked with Parkinsons disease
A) Serotonin
B) Norepinephrine
C) Dopamine
D) Acetylcholine
--
25. What is the general term for all chemical substances produced by the endocrine glands
A) Neurotransmitters
B) Hormones
C) Enzymes
D) Antibodies
--
26. 3 chemical elements most % human body O 65% C 18% and ?
A) Nitrogen 3%
B) Calcium 1.5%
C) Phosphorus 1%
D) Hydrogen 10%
--
27. What is the traditional (watson crick) base pair for adenine in dna
A) Cytosine
B) Guanine
C) Thymine
D) Uracil
--
28. A carbohydrate consists of carbon, hydrogen, and which other element
A) Oxygen
B) Nitrogen
C) Sulfur
D) Phosphorus
--
29. What does the body release that dilates small blood vessels and so causes a person to blush
A) Peptides
B) Histamine
C) Nitric oxide
D) Adrenaline
--
30. Ascorbic acid & sodium ascorbate are the most common forms of which vitamin
A) Vitamin A
B) Vitamin B12
C) Vitamin c
D) Vitamin D
--
31. A sugar with the formula c12h22011, belonging to the group of carbohydrates known as disaccharides (sugar)
A) Lactose
B) Maltose
C) Trehalose
D) Sucrose
--
32. What molecule, known by three letters, controls heredity
A) Dna
B) RNA
C) ATP
D) GTP
--
33. What is the chemical name for vitamin c
A) Dehydroascorbic acid
B) Ascorbic acid
C) L-ascorbic acid
D) Citric acid
--
34. Your eyeballs are 3.5% what
A) Water
B) Proteins
C) Sugars
D) Salt
--
35. What vitamin is also called ascorbic acid
A) Vitamin A
B) Vitamin c
C) Vitamin E
D) Vitamin K
--
36. This protein makes the blood red in color.
A) Myoglobin
B) Fibrinogen
C) Albumin
D) Hemoglobin
--
37. Ascorbic acid is commonly reffered to as Vitamin - ?
A) Vitamin A
B) Vitamin B
C) Vitamin D
D) Vitamin C
--
38. Which Acid Is Present In Your Stomach
A) Hydrochloric Acid
B) Sulfuric Acid
C) Acetic Acid
D) Lactic Acid
--
39. What name is given to the excrement produced by bacteria that feed on yeast cells and then defecate
A) Lactic acid
B) Alcohol
C) Acetic acid
D) Carbon dioxide
--
40. What is the process of converting glucose to energy in cells called ?
A) Glycolysis
B) Respiration
C) Fermentation
D) Photosynthesis
--
41. What chemical compound causes pain in muscles after exercise?
A) Creatine phosphate
B) Lactic acid
C) Histamine
D) Myoglobin
--
42. By what chemical process do plants manufacture food?
A) Cellular respiration
B) Chemosynthesis
C) Fermentation
D) Photosynthesis
--
43. The deficiency of which vitamin causes scurvy
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
--
44. By what chemical process do plants manufacture food
A) Respiration
B) Photosynthesis
C) Fermentation
D) Transpiration
--
45. What Vitamin is Thiamine?
A) Vitamin B2
B) Vitamin C
C) Vitamin B6
D) Vitamin B1
--
46. Who discovered Vitamin C?
A) Louis Pasteur
B) Linus Pauling
C) Albert Szent-Gyorgyi
D) Charles Best
--
47. What protein makes blood red?
A) Myoglobin
B) Ferritin
C) Transferrin
D) Haemoglobin
--
48. What vitamin complex includes thiamine, niacin and riboflavin
A) Vitamin C
B) Vitamin b
C) Vitamin D
D) Vitamin A
--
49. Deoxyribonucleic acid is better known as __________.
A) DNA
B) RNA
C) Nucleic acid
D) Deoxyribose nucleic acid
--
50. What is the name of sugar found in fruit
A) Glucose
B) Sucrose
C) Maltose
D) Fructose
--
51. Which Acid Is Produced In The Muscles During Strenuous Exercise
A) Acetic acid
B) Citric acid
C) Pyruvic acid
D) Lactic
--

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