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Revision Notes

Building Blocks of Life Cell and Tissues

NIOS · Class 10 · Science & Tech

Quick revision notes for Building Blocks of Life Cell and Tissues — NIOS Class 10 Science & Tech. Key concepts, formulas, and definitions for last-minute revision.

41 questions40 flashcards5 concepts

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An illustration depicting Robert Hooke's compound microscope and a magnified view of the cork cells he observed, resembling honeycomb compartments.
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Key Topics to Revise

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1. Cell as the Basic Unit of Life

  • Robert Hooke discovered the cell in 1665 by observing cork under a simple microscope.
  • He named the small compartments cells.
  • The cell theory was formulated by M J Schleiden in 1838 and T Schwann in 1839.
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2. Types of Cells: Prokaryotic and Eukaryotic

  • All cells have cell membrane, cytoplasm, and DNA.
  • Prokaryotic cells do not have a well-organized nucleus.
  • In prokaryotic cells, nuclear membrane is absent.
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3. Parts of a Typical Eukaryotic Cell

  • The three basic parts of a cell are cell membrane, cytoplasm, and nucleus.
  • The cell membrane is thin, delicate, and selectively permeable.
  • The cell membrane protects the cell, maintains shape, and allows only selected substances to pass in and out.
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4. Plant Cell and Animal Cell

  • Plant cells are larger and rectangular.
  • Animal cells are smaller and oval.
  • Cell wall is present only in plant cells and is made of cellulose.

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Full Notes

Key Concepts

Robert Hooke discovered the cellProkaryotic cells do not haveThe cell membrane is thinEndoplasmic reticulum helps in intracellular transportPlant cells have a cell wall

Frequently Asked Questions

What are the important topics in Building Blocks of Life Cell and Tissues for NIOS Class 10 Science & Tech?
Key topics in Building Blocks of Life Cell and Tissues include Building Blocks of Life - Concept Overview, Building Blocks of Life - Chapter Overview, Building Blocks of Life - Complete Chapter Overview. These are the concepts NIOS Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Building Blocks of Life Cell and Tissues — NIOS Class 10 Science & Tech?
Understand the core concepts first, then work through the 41 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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