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NCERT Class 10 Science Chapter 5 PDF – Life Processes Free Download

Chapter 5 of the NCERT Class 10 Science textbook, Life Processes, deals with how living organisms carry out basic functions like nutrition, respiration, transportation, and excretion. These processes are vital for survival and form the backbone of biology. The chapter explains how different systems work in plants and animals, especially focusing on the human body.

NCERT Class 10 Science Chapter 5 PDF – Life Processes

Chapter 5 of the NCERT Class 10 Science textbook, Life Processes, deals with how living organisms carry out basic functions like nutrition, respiration, transportation, and excretion. These processes are vital for survival and form the backbone of biology. The chapter explains how different systems work in plants and animals, especially focusing on the human body. Important topics include types of nutrition (autotrophic and heterotrophic), human digestive and respiratory systems, circulation of blood, and removal of wastes from the body.

I am writing about this chapter because it is one of the most commonly asked topics in board exams and also one that many students struggle to fully understand due to its detailed concepts and diagrams. Understanding the concept of life processes not only helps you score well but also builds the base for higher studies in biology. Whether you’re aiming for NEET or just want to understand how the human body works, this chapter sets the groundwork. Having the PDF version of this chapter helps in quick revisions, making notes, and regular practice of diagrams and definitions. It’s a must-have for every student preparing seriously for the Class 10 board exam.

Key Concepts Covered in Chapter 5: Life Processes

The chapter is divided into four major sections, each explaining one essential life function. Here’s a summary of what’s included:

1. Nutrition

  • Autotrophic nutrition in plants (Photosynthesis process)
  • Heterotrophic nutrition in animals and humans
  • Human digestive system and digestion process
  • Enzymes and their role in breaking down food

2. Respiration

  • Aerobic and anaerobic respiration
  • Human respiratory system – structure and working
  • Role of alveoli, lungs, and diaphragm
  • Respiration in plants and other organisms

3. Transportation

  • Circulatory system in humans (Heart, blood, blood vessels)
  • Structure and functioning of the heart
  • Blood components and their roles
  • Transportation in plants (xylem and phloem)

4. Excretion

  • Excretory system in humans (kidneys, ureters, bladder, urethra)
  • Formation of urine
  • Excretion in plants (gums, resins, etc.)

This chapter is supported with labelled diagrams, flowcharts, and in-text activities that help students understand each concept clearly.

Why This Chapter Deserves Special Attention

  • Frequently asked in exams with diagram-based and concept questions
  • Strengthens core biology knowledge
  • Easy to score if you understand processes and structures
  • Helps in developing scientific thinking about how our body and nature work

I remember helping my younger cousin with this chapter before her Class 10 board exam. Once she understood how blood circulates through the heart or how nephron filters blood, her fear of biology started to fade. And that’s the power of clear understanding, which NCERT aims to provide.

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Click here to download NCERT Class 10 Science Chapter 5: Life Processes PDF

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NCERT Class 12 Home Science Part 2 Chapter 14: Corporate Communication and Public Relations PDF Download

NCERT Class 12 Home Science Part 2 Chapter 14, Corporate Communication and Public Relations, explains how businesses and organisations maintain a positive image, communicate effectively with their stakeholders, and build trust in the market. The chapter covers the basics of corporate communication, public relations (PR) strategies, media handling, crisis communication, and the ethical responsibilities of

NCERT Class 12 Home Science Part 2 Chapter 14: Corporate Communication and Public Relations

NCERT Class 12 Home Science Part 2 Chapter 14, Corporate Communication and Public Relations, explains how businesses and organisations maintain a positive image, communicate effectively with their stakeholders, and build trust in the market. The chapter covers the basics of corporate communication, public relations (PR) strategies, media handling, crisis communication, and the ethical responsibilities of professionals in this field. Students also learn about how PR and corporate communication influence public opinion and organisational success.

I chose to write about this chapter because communication is not just a skill — it is the backbone of a company’s reputation and growth. In today’s fast-paced business environment, one wrong message can harm a brand, while effective communication can create opportunities and goodwill. For students, understanding these concepts is essential if they are planning careers in corporate management, marketing, event planning, or media relations. This chapter also shows how PR is not just about advertisements or press releases, but about building meaningful, long-term relationships with customers, employees, investors, and the community. Knowing how to communicate clearly, handle criticism, and present a professional image is a valuable skill in any career path.

Key Topics in Chapter 14

This chapter introduces the theory and application of corporate communication and public relations, with practical examples.

Major areas covered:

  • Meaning of Corporate Communication – How companies share information internally and externally
  • Functions of Corporate Communication – Brand building, internal updates, stakeholder engagement, and media interaction
  • Public Relations in Business – Managing the public image of a company through planned communication
  • Tools of PR – Press releases, media kits, events, sponsorships, newsletters, and social media campaigns
  • Crisis Communication – Managing negative publicity or emergencies in a calm and planned way
  • Ethics in PR – Transparency, honesty, respect for confidentiality, and cultural sensitivity
  • Skills Required – Writing, public speaking, negotiation, and relationship building
  • Career Scope – Corporate communication officer, PR executive, media manager, spokesperson, brand strategist

Real-World Relevance

Corporate communication and PR are visible in our daily lives, whether it is a company’s social media post, a press conference after a product launch, or a statement during a crisis. For example, when a brand faces a product recall, a well-handled press statement and customer outreach can save its reputation. On the other hand, poor communication can damage public trust permanently. This chapter prepares students to handle such real-life situations with professionalism and skill.

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You can download NCERT Class 12 Home Science Part 2 Chapter 14: Corporate Communication and Public Relations PDF from here.

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