The organ of the human body that stores glycogen as a reserve carbohydrate is: MCQ with Answer and Explanation

The organ of the human body that stores glycogen as a reserve carbohydrate is:
A. Liver
B. Spleen
C. Pancreas
D. Kidney
Answer: Option A
Solution (By JKExamLibrary)
The liver is the primary site of glycogen storage and releases glucose into the blood between meals (glycogenolysis) to maintain blood sugar. Muscles also store glycogen but for local use. The pancreas regulates blood sugar via insulin/glucagon, spleen stores blood and recycles iron, kidneys excrete waste.

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Practice More Biology Questions

Question #1
In the human digestive system, the 'Peyer's patches' are aggregated lymphoid nodules found primarily in the mucosa and submucosa of the:
A. Stomach
B. Esophagus
C. Ileum (small intestine)
D. Large intestine

Correct Answer: Option C


Explanation:
Peyer's patches are organized lymphoid follicles (aggregated lymphoid nodules) located in the mucosa and submucosa of the small intestine, most abundantly in the ileum (the distal part). They are a crucial component of the gut-associated lymphoid tissue (GALT) and play a vital role in monitoring intestinal bacteria populations, preventing the growth of pathogenic bacteria, and training the immune system to recognize antigens.

This question belongs to: Science Biology
Question #2
The codon AUG codes for:
A. Arginine
B. Glycine
C. Methionine
D. Alanine

Correct Answer: Option C


Explanation:
AUG is the initiation codon and codes for methionine in eukaryotes (formylmethionine in prokaryotes). It signals the start of translation. Arginine codons include CGU, CGC, etc. Alanine is coded by GCU, etc. Glycine by GGU, etc. The genetic code is degenerate, meaning multiple codons can code for the same amino acid, but AUG is unique as the initiator.

This question belongs to: Science Biology
Question #3
The amount of air that can be forcefully exhaled after a normal tidal expiration is the:
A. Tidal volume
B. Residual volume
C. Inspiratory reserve volume
D. Expiratory reserve volume

Correct Answer: Option D


Explanation:
Expiratory reserve volume (ERV) is the additional air exhaled forcibly after normal exhalation (~1,000–1,200 mL). Tidal volume is normal breath, inspiratory reserve is extra inhaled after normal inhalation, residual volume is air left after maximal exhalation. These are components of lung volumes and capacities.

This question belongs to: Science Biology