8th Grade Biochemical Vitamins Quizzes, Questions & Answers

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Do You Know Your Vitamins?

Our body needs Vitamins to function properly. Without vitamins in our system, the effect can be complicating. How well do you know your vitamins? Take this quiz to prove your knowledge of vitamins.

Questions: 10 | Attempts: 443 | Last updated: Sep 22, 2025

Sample Question 1
When is an organic compound said to be a vitamin?

A. When the organism cannot break down

B. When the organism is moving

C. When the organism cannot synthesize the compound in sufficient quantities

D. When the organic compound develops

Sample Question 2
Ascorbic acid is a vitamin used by?

A. Humans, but not for most other animals

B. Plants

C. All animals

D. Some Plants

Sample Question 3
Vitamin D is essential for what class of people?

A. For people who are sick

B. For people who are diabetic

C. For people who do not have adequate skin exposure to sunlight

D. For people who have malaria