Human Digestive System Organs and Functions_Unsolved Paper
Chapter: Life Processes | Topic: Human Digestive System Organs and Functions
HUMAN DIGESTIVE SYSTEM ORGANS AND FUNCTIONS_UNSOLVED PAPER
Topic: Human Digestive System Organs and Functions
Q1. Which organ stores bile before it is released into the small intestine?
- Liver
- Pancreas
- Gall Bladder
- Stomach
Q2. Digestion of proteins mainly begins in the:
- Mouth
- Stomach
- Large intestine
- Rectum
Q3. Which part of the alimentary canal is the primary site for absorption of digested food?
- Oesophagus
- Stomach
- Small intestine
- Large intestine
Q4. Saliva helps in the digestion of:
- Proteins
- Fats
- Starch
- Vitamins
Q5. During a school picnic, Riya eats a meal rich in butter and cheese. Which digestive juice will play an important role in breaking down these fats?
- Saliva
- Gastric juice
- Bile juice
- Intestinal mucus
Q6. Which of the following organs is not a part of the alimentary canal?
- Mouth
- Pancreas
- Oesophagus
- Small intestine
Short questions
Q1.Name the main organs of the human digestive system in the correct sequence from the mouth to the anus.
Q2. State two important functions of the liver in the process of digestion.
Q3. Explain the role of hydrochloric acid present in the stomach.
Q4. Why is the small intestine considered the most important organ for digestion and absorption?
Q5. Rahul often skips breakfast before going to school and later complains of stomach discomfort. Which digestive organ is likely to be affected first, and why?
Q6. Differentiate between digestion and absorption on the basis of their meaning and location in the digestive system.
Q1. Describe the journey of food through the human digestive system from ingestion to egestion. Mention the function of each major organ involved.
Q2. Explain the roles of the liver, pancreas, and small intestine in the digestion of carbohydrates, proteins, and fats.
Q3. During a family wedding, Aman eats spicy food, sweets, and fried snacks in large quantities. Explain how different organs of the digestive system work together to digest this meal.
Q1. A student prepared the following table after studying digestion:
Examine the table and identify any information that may need correction or improvement. Rewrite the table with appropriate changes wherever required.
Q2. Read the following case carefully:
A doctor advises a patient who has difficulty digesting fatty foods to undergo tests related to the liver and gall bladder.
Based on your understanding of digestion, explain:
the role of bile,
why the liver and gall bladder are important,
and how their improper functioning may affect digestion.
Q3. A balanced meal contains rice, dal, vegetables, curd, and a small quantity of oil.
Using your knowledge of the digestive system, trace how each major nutrient in this meal is digested by different organs and digestive juices as it passes through the alimentary canal.