What is the role of saliva in the digest | Class 10 Science Chapter Life Processes, Life Processes NCERT Solutions

Q6.

What is the role of saliva in the digestion of food?

Human digestive system includes various glands and salivary gland is one of them. Saliva is secreted by salivary gland located under the tongue which helps in the digestion of food and it contains water, salts, mucin and some enzymes salivary amylase or ptyalin. PH is neutral i.e, 6.7. about 1.5 litres saliva and mucus are secreted in every 24 hours in the buccal cavity. Salivation activation depends on the smell, idea and imagination of food.

Role of saliva:

  1. Saliva moistens food and this changes it into the semisolid mass for easily swallowing and moisten of food allows stimulation of taste buds.
  2. Salvia moistens and burnish (lubrication) the buccal mucosa, tongue and lips which makes speech or fluent speaking possible.
  3. Its pH is neutral 6.7 and acidity is very low, so this prevents tooth decay. 
  4. It contains many salivary enzymes which kills many bacteria that are present in the buccal cavity with the food.
👍 0
👎 0
✍️ Add Answer
🚩 Report

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Life Processes.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What is the correct answer to: What is the role of saliva in the digestion of food??

Human digestive system includes various glands and salivary gland is one of them. Saliva is secreted by salivary gland located under the tongue which helps in the digestion of food and it contains water, salts, mucin and...

How do you solve What is the role of saliva in the digestion of food? step by step?

Step-by-step explanation:
• Human digestive system includes various glands and salivary gland is one of them
• Saliva is secreted by salivary gland located under the tongue which helps in the digestion of food and it contains water, salts, mucin and some enzymes salivary amylase or ptyalin
• PH is neutral i
• e, 6
• 7

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

Latest Blog Posts

Stay updated with our latest educational content and study tips

Why Self-Discipline is More Important Than Motivation for Students

Why Self-Discipline is More Important Than Motivation for Students

Have you ever noticed that doing activities such as playing outdoors, chilling with your friends, or using the mobile phone feels so effortless and fun? Whenever you might have played sports, you kept on playing even when it felt hard initially just so you could get that feeling after the game, a feeling of accomplishment, […]

Read More
How Visualization Strategies Can Improve Test Performance

How Visualization Strategies Can Improve Test Performance

Imagine this; You’re sitting in the test hall, pen in hand, and the question paper has been put in front of you. Rather than freezing, you feel calm, collected, and set. Why? As you have formerly been there in your mind. You’ve seen yourself sitting composibly, reviewing the question paper fluently, performing well in the […]

Read More
Smart Questions to Ask in a Parent-Teacher Meeting | PTM Made Easy

Smart Questions to Ask in a Parent-Teacher Meeting | PTM Made Easy

Parent-Teacher Meetings (PTMs) are more than quick updates on marks — they’re a chance to build a real partnership between home and school. A good Parent-Teacher Meeting conversation helps parents see beyond grades. It opens up insights about a child’s strengths, struggles, emotions and even hidden talents. When parents participate actively, they don’t just track […]

Read More
The Secret to Smarter Learning — Building Strong Critical Thinking Skills

The Secret to Smarter Learning — Building Strong Critical Thinking Skills

In today’s world of endless information , knowing how to think is more important than knowing what to think . From school projects to real – life decisions , critical thinking helps students question ideas , analyze facts and form logical conclusions . But what exactly does critical thinking mean ? Simply put , it’s […]

Read More

Student Discussion

Be the first to comment.

ADD NEW COMMENT

        Can’t find your school? Type full name and submit.