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Building Blocks of Life Cell and Tissues — Revision Notes

NIOS · Class 10 · Science & Tech

Building Blocks of Life Cell and Tissues revision notes for NIOS Class 10 Science & Tech: 4 topics in quick points.

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

1

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.
2

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.
3

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.
4

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 Cell as the Basic Unit of Life, Types of Cells: Prokaryotic and Eukaryotic, Parts of a Typical Eukaryotic Cell, Plant Cell and Animal Cell. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Building Blocks of Life Cell and Tissues for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 41 practice questions on Building Blocks of Life Cell and Tissues. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

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

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