Beriberi is caused by the deficiency of vitamin: MCQ with Answer and Explanation

Beriberi is caused by the deficiency of vitamin:
A. Vitamin B₁₂ (Cobalamin)
B. Vitamin B₂ (Riboflavin)
C. Vitamin B₁ (Thiamine)
D. Vitamin B₆ (Pyridoxine)
Answer: Option C
Solution (By JKSSB Mock Tests)
Beriberi is due to thiamine (B₁) deficiency. It presents as two forms: wet beriberi (cardiovascular) and dry beriberi (neurological). Thiamine is a coenzyme (TPP) in decarboxylation reactions. Common in populations consuming polished rice. Riboflavin deficiency causes cheilosis, pyridoxine deficiency causes peripheral neuropathy and anemia, B₁₂ deficiency causes pernicious anemia.

Discuss this Question (0)

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

Practice More Biology Questions

Question #1
The vitamin that acts as a coenzyme in the synthesis of DNA and red blood cells is:
A. Vitamin C
B. Vitamin K
C. Vitamin A
D. Vitamin B₁₂

Correct Answer: Option D


Explanation:
Vitamin B₁₂ (cobalamin) is required for DNA synthesis and RBC maturation. Deficiency causes pernicious anemia. It also maintains myelin sheath.

This question belongs to: Science Biology
Question #2
The hormone that promotes the development of the mammary glands during pregnancy is:
A. Oxytocin
B. Estrogen
C. Progesterone
D. Prolactin

Correct Answer: Option C


Explanation:
Progesterone stimulates the development of alveolar tissue of the breasts during pregnancy. Estrogen promotes duct development. Prolactin initiates milk synthesis, oxytocin ejection.

This question belongs to: Science Biology
Question #3
Consider the following statements about the pancreas:
1. It has both endocrine and exocrine functions.
2. Alpha cells secrete insulin.
3. Beta cells secrete glucagon.
Which of the above is/are correct?
A. 2 only
B. 1 only
C. 3 only
D. 2 and 3

Correct Answer: Option B


Explanation:
The pancreas is a mixed gland (1). Alpha cells secrete glucagon, beta cells insulin. Thus, 2 and 3 are swapped and incorrect.

This question belongs to: Science Biology