Question

One of these is not a digestive gland

• A. Kidney
• B. Liver
• C. Pancreas
• D. Salivary.

Answer 1

The correct option is A

Kidney

The correct option is (A)

Explanation for the correct option:

1. Digestion is a complex process that requires secretions from various accessory glands.
2. The digestive glands involved in the food breakdown include; the liver, pancreas and salivary glands.
3. The kidney is an organ that is involved in the excretory system.

Explanation for the incorrect options:

Option (B)

1. The liver is a digestive gland as it produces bile that helps in lipid emulsification.

Option (C)

1. Pancreas secretes digestive juices that aid digestion.
2. The enzymes present in pancreatic juice cause the breakdown of proteins, complex carbohydrates and fats in the small intestine.

Option (D)

1. There are three pairs of salivary glands located in the mouth region.
2. These glands secrete saliva that helps in the break down of starch in the oral cavity.

Final answer: Kidneys are the organs of the excretory system that perform the function of blood filtration and urine formation.