Science Practice Quiz 146

Q1.What actions are mentioned in the text that can lead to food particles entering the windpipe, causing discomfort?

A. Sleeping immediately after eating. B. Eating in a hurry, talking or laughing while eating. C. Drinking too much water with meals. D. Eating only liquid foods.

Q2.The working of the human stomach was discovered by accident in 1822 by which American army doctor?

A. William Harvey B. Edward Jenner C. William Beaumont D. Louis Pasteur

Q3.In 1822, the American army doctor William Beaumont made observations about the working of the stomach on which patient?

A. James Lind B. Alexis St. Martin C. Robert Koch D. Alexander Fleming

Q4.What is the characteristic shape of the human stomach?

A. A spherical bag B. A flattened J C. An elongated S D. A coiled tube

Q5.Which part of the human alimentary canal is described as the widest?

A. Small intestine B. Food pipe C. Stomach D. Large intestine

Q6.Which of the following are secreted by the inner lining of the stomach?

A. Bile juice, pancreatic juice, and saliva B. Mucous, hydrochloric acid, and digestive juices C. Insulin, glucagon, and pepsin D. Amylase, lipase, and trypsin

Q7.What is the primary role of hydrochloric acid secreted in the stomach?

A. To break down fats into simpler substances B. To protect the lining of the stomach from acid C. To kill bacteria and create an acidic medium for digestive juices to act D. To absorb nutrients into the bloodstream

Q8.Which of the following is described as the largest gland in the human body?

A. Pancreas B. Gall bladder C. Stomach D. Liver

Q9.What is the important role of bile juice, secreted by the liver and stored in the gall bladder?

A. Digestion of carbohydrates B. Digestion of proteins C. Digestion of fats D. Absorption of water

Q10.Where is the pancreas located in the human body?

A. In the upper part of the abdomen on the right side B. Just below the stomach C. Within the gall bladder D. Attached to the small intestine

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Science Practice Quiz 146