The chemical name of vitamin B₂ is: MCQ with Answer and Explanation

The chemical name of vitamin B₂ is:
A. Thiamine
B. Niacin
C. Riboflavin
D. Pyridoxine
Answer: Option C
Solution (By JKSSB Mock Tests)
Riboflavin is vitamin B₂, a component of coenzymes FAD and FMN involved in redox reactions. Thiamine is B₁, niacin is B₃, pyridoxine is B₆. Riboflavin deficiency causes angular stomatitis.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Biology Questions

Question #1
The vitamin that functions as an antioxidant and is also known as tocopherol is:
A. Vitamin A
B. Vitamin E
C. Vitamin C
D. Vitamin D

Correct Answer: Option B


Explanation:
Vitamin E (tocopherol) is a fat-soluble antioxidant that protects cell membranes from lipid peroxidation. Vitamin C is water-soluble antioxidant, A is for vision, D for calcium.

This question belongs to: Science Biology
Question #2
The cells that transmit nerve impulses in the nervous system are called:
A. Epithelial cells
B. Glial cells
C. Fibroblasts
D. Neurons

Correct Answer: Option D


Explanation:
Neurons are the excitable cells that generate and transmit electrochemical impulses. Glial cells (neuroglia) provide support, insulation, and nutrients. Fibroblasts form connective tissue, epithelial cells line surfaces. The neuron is the functional unit of the nervous system, connected at synapses.

This question belongs to: Science Biology
Question #3
Which scientist discovered the process of pasteurization?
A. Alexander Fleming
B. Edward Jenner
C. Robert Koch
D. Louis Pasteur

Correct Answer: Option D


Explanation:
Louis Pasteur developed pasteurization (heating to kill spoilage organisms), vaccines for rabies and anthrax, and disproved spontaneous generation.

This question belongs to: Science Biology