Science Practice Quiz 147

Q1.Pancreatic juice acts on which of the following food components?

A. Only carbohydrates B. Only fats C. Only proteins D. Carbohydrates, fats, and proteins

Q2.Where is the bile juice secreted by the liver stored?

A. Pancreas B. Stomach C. Gall bladder D. Small intestine

Q3.What is the condition known as diarrhoea?

A. Frequent passing of watery stool. B. Difficulty in passing stool. C. Excessive intake of water. D. Indigestion due to spicy food.

Q4.Why can severe diarrhoea be fatal?

A. Due to the excessive loss of water and salts from the body. B. Due to the inability to digest food properly. C. Due to the spread of infection to other organs. D. Due to the blockage of the small intestine.

Q5.What is Oral Rehydration Solution (ORS) primarily composed of?

A. Boiled and cooled water with a pinch of salt and sugar. B. Plain tap water with electrolytes. C. Fruit juice mixed with medicinal herbs. D. Carbonated water with added minerals.

Q6.In which part of the digestive system is the digestion of all food components completed?

A. Stomach B. Large intestine C. Lower part of the small intestine D. Oesophagus

Q7.Carbohydrates are broken down into which simple sugars during digestion?

A. Fatty acids B. Amino acids C. Glucose D. Glycerol

Q8.What is the primary role of villi in the small intestine?

A. To secrete digestive enzymes. B. To increase the surface area for absorption of digested food. C. To store undigested food material. D. To transport waste products to the large intestine.

Q9.What is the process called when digested food passes into the blood vessels in the wall of the intestine?

A. Egestion B. Assimilation C. Absorption D. Digestion

Q10.What is assimilation in the context of digestion?

A. The breakdown of complex food substances into simpler ones. B. The process of removing undigested food from the body. C. The transportation of absorbed substances to different organs to build complex substances. D. The absorption of water and salts in the large intestine.

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Science Practice Quiz 147