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Class 5 EVS Chapter 3 Question Answers - Chapter 3 - From Tasting to Digesting

Q1: How do taste buds help us taste different food items?
Ans: Taste buds are tiny bumps on our tongue that mix with saliva to create the taste of food.


Q2: What do different parts of our tongue identify in terms of taste?
Ans: The tongue has different areas that identify various tastes:

  • Front: Detects sweet and salty flavours.
  • Sides: Recognise sour tastes.
  • Back: Identifies bitter flavours.


Q3: Why is it important to chew our food well?
Ans: Chewing food is essential for proper digestion. Here’s why:

  • Breaks down food: Chewing reduces food into smaller pieces.
  • Enhances digestion: Smaller particles are easier for the stomach to digest.
  • Mixes with saliva: Saliva contains enzymes that start the digestion process.

Overall, chewing well helps your body absorb nutrients more effectively.


Q4: How do we know when we are hungry?
Ans: We know we are hungry when:

  • There is a strong urge to eat.
  • Your stomach feels empty.
  • You may experience physical signs like a headache.
  • You feel tired or irritable.


Q5: What happens if we don't eat for 2-3 days?
Ans: If we don't eat for 2-3 days, we may experience:

  • Tiredness and fatigue
  • Dizziness and light-headedness
  • Increased risk of illness

These effects occur because our bodies need food for energy and essential nutrients.


Q6: What should we do if our body loses water due to loose motions and vomiting?
Ans: To recover from water loss due to vomiting and loose motions, follow these steps:

  • Use an oral rehydration solution (ORS) to replace lost fluids and salts.
  • Drink plenty of clear fluids, such as water or broth.
  • Avoid sugary or caffeinated drinks, as they can worsen dehydration.
  • Rest as much as possible to help your body recover.

If symptoms persist or worsen, seek medical attention promptly.


Q7: What provides instant energy to the body without eating?
Ans: Glucose drip provides instant energy to the body without the need for eating.


Q8: Why is it important to have a proper diet for good health?
Ans: A proper diet, with balanced nutrients, is essential for good health. Inadequate or junk food can harm our health.

Q9: What is digestion, and why is chewing the first step in it?
Ans: Digestion is the process of breaking down food for energy. Chewing is the first step because it breaks food into smaller pieces.


Q10: How can we identify food without seeing it?
Ans: We can identify food without seeing it by:

  • Tasting it: The flavours help us recognise different foods.
  • Smelling it: The aroma can provide clues about the food's identity.

Both senses work together to enhance our understanding of what we are eating.

The document Class 5 EVS Chapter 3 Question Answers - Chapter 3 - From Tasting to Digesting is a part of the Class 5 Course EVS Class 5.
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FAQs on Class 5 EVS Chapter 3 Question Answers - Chapter 3 - From Tasting to Digesting

1. What is the process of tasting food?
Ans. Tasting food involves several steps: first, food is placed in the mouth where it is chewed to break it down. As we chew, our taste buds on the tongue detect flavors such as sweet, salty, sour, bitter, and umami. This sensory experience is enhanced by our sense of smell, which contributes to the overall flavor perception.
2. How does digestion begin in the human body?
Ans. Digestion begins in the mouth when we chew food and mix it with saliva. Saliva contains enzymes that start breaking down carbohydrates. The chewed food then forms a soft mass called a bolus, which is swallowed and travels down the esophagus to the stomach for further digestion.
3. What are the main functions of the digestive system?
Ans. The main functions of the digestive system include breaking down food into smaller molecules, absorbing nutrients into the bloodstream, and eliminating waste products. This system transforms food into energy and essential nutrients that the body needs to function properly.
4. Why is it important to chew food properly?
Ans. Chewing food properly is important because it breaks it down into smaller pieces, making it easier for enzymes to work during digestion. It also mixes the food with saliva, which starts the digestive process and helps in the absorption of nutrients. Proper chewing can prevent digestive issues and improve nutrient intake.
5. What role do enzymes play in digestion?
Ans. Enzymes play a crucial role in digestion by breaking down complex food molecules into simpler forms that the body can absorb. Different types of enzymes target specific types of nutrients, such as carbohydrates, proteins, and fats, ensuring that our bodies can efficiently utilize the food we eat.
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