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NCERT Class 12 Chemistry Chapter 10: Biomolecules PDF – Download & Key Concepts

Chapter 10 of NCERT Class 12 Chemistry covers Biomolecules, which are essential organic compounds found in living organisms. These molecules, including carbohydrates, proteins, lipids, and nucleic acids, play a crucial role in maintaining life processes. Understanding biomolecules is not only key to chemistry but also to biology, as they form the foundation of metabolic processes,

NCERT Class 12 Chemistry Chapter 10: Biomolecules

Chapter 10 of NCERT Class 12 Chemistry covers Biomolecules, which are essential organic compounds found in living organisms. These molecules, including carbohydrates, proteins, lipids, and nucleic acids, play a crucial role in maintaining life processes. Understanding biomolecules is not only key to chemistry but also to biology, as they form the foundation of metabolic processes, cellular structures, and genetic information storage.

This chapter offers insight into the structure, functions, and importance of biomolecules in various biological systems. The chapter also includes methods for studying and analyzing these molecules, which have profound applications in fields such as medicine, genetics, and biotechnology. In this article, we’ll explore the key concepts in the chapter and provide a downloadable PDF for easy reference and revision.

Key Concepts in Biomolecules

Syllabus:

  • Carbohydrates: Classification, structure, and functions of monosaccharides, disaccharides, and polysaccharides.
  • Proteins: Amino acids, types of proteins, structure (primary, secondary, tertiary, quaternary), and functions.
  • Enzymes: Role of enzymes as catalysts in biochemical reactions, enzyme kinetics, and factors affecting enzyme activity.
  • Nucleic Acids: Structure and functions of DNA and RNA, their roles in genetic information transfer.
  • Lipids: Types of lipids (fats, oils, phospholipids), and their importance in energy storage and cell membrane structure.
  • Vitamins and Hormones: Their chemical structure, function, and significance in biological processes.

Download PDF – NCERT Class 12 Chemistry Chapter 10: Biomolecules

To make studying easier, you can download the NCERT Class 12 Chemistry Chapter 10: Biomolecules PDF directly from the official NCERT website. The PDF contains a detailed explanation of all the topics covered in the chapter and will help reinforce your understanding of biomolecules.

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NCERT Class 12 English Vistas Chapter 6: Memories of Childhood PDF Download & Complete Summary

Memories of Childhood is Chapter 6 in the Class 12 English Vistas textbook by NCERT. What makes this chapter special is that it’s not a single story—it’s made up of two autobiographical excerpts written by two women, Zitkala-Sa and Bama. Both narrate incidents from their early lives that reflect the discrimination they faced because of

NCERT Class 12 English Vistas Chapter 6: Memories of Childhood

Memories of Childhood is Chapter 6 in the Class 12 English Vistas textbook by NCERT. What makes this chapter special is that it’s not a single story—it’s made up of two autobiographical excerpts written by two women, Zitkala-Sa and Bama. Both narrate incidents from their early lives that reflect the discrimination they faced because of their identity. While Zitkala-Sa was a Native American who suffered cultural oppression, Bama grew up as a Dalit in South India, dealing with caste-based discrimination. These two stories are placed together in the chapter to show that such issues exist in many parts of the world.

I decided to write about this chapter because it’s different from the others in the book. It’s not fiction, but a real account of how young children feel when they are treated unfairly just because of their background. When I first read Bama’s story, I couldn’t stop thinking about how common such behaviour still is in many Indian towns. These stories make us more aware and sensitive. As students, we need to understand not just grammar and vocabulary but also social realities. This chapter is an important step towards building that understanding.

What is “Memories of Childhood” About?

This chapter includes two short autobiographical narratives that focus on childhood memories shaped by discrimination and injustice.

Part One: The Cutting of My Long Hair by Zitkala-Sa

This section is written by a Native American woman who was taken to a missionary school where they tried to make her behave like a “white” child. She describes how humiliating it was when her long hair was forcibly cut, which in her culture was a sign of defeat. She feels powerless, angry, and alien in a place that tries to erase her identity.

Part Two: We Too Are Human Beings by Bama

Bama’s story takes place in a village in Tamil Nadu. She is a young Dalit girl who notices how upper-caste people treat her community with disrespect. She sees a man carrying food for his master without touching it, just because of his caste. When she narrates this incident to her brother, he tells her about caste discrimination and advises her to study hard to earn respect and equality.

Main Characters:

  • Zitkala-Sa – A Native American girl forced to give up her culture at a white-run school
  • Bama – A young Dalit girl who slowly becomes aware of social injustice

Key Themes:

  • Discrimination based on race and caste
  • Childhood trauma and awareness
  • Loss of identity
  • Education as a tool for change

Why This Chapter Matters for Students

  • Real stories: It helps students connect emotionally to real-life problems faced by children
  • Relevant to society: Topics like caste and cultural identity are still important in today’s India
  • CBSE exam favourite: Frequently asked in long and value-based questions
  • Builds empathy: Helps students look beyond textbooks and understand people around them better
  • Teaches resilience: Both writers turned their pain into power through education and awareness

Download PDF

You can download the official NCERT Class 12 English Vistas Chapter 6 PDF from here:

NCERT Class 12 English Vistas Chapter 6: Memories of Childhood

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