Cell wall

Duration: 6 min

This video lesson is available to enrolled students.

Return to /learn/UPPSC-COMPUTER-OPERATOR-GRADE-B/general-awareness/biology/cell-structure-division/asset-cell-wall after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. English Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Reading Comprehension, Vocabulary, Idioms and Phrases, Narrative Sequencing, Critical Reasoning
  2. Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Logical Sequence Of Words, Seating Arrangements, Puzzle Solving (Puzzles), Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Sufficiency, Selection Decision Table (Decision Making), Calendar, Clock, Cubes & Dices, Data Arrangement, Venn Diagram, Analytical Reasoning (Counting Figures Reasoning), Number System, HCF LCM, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Simple Interest and Compound Interest, Speed Time and Distance, Mensuration and Geometry, Arithmetic, Mixture and Alligation, Age Problems, Data Interpretation, Alphabet and Word Tests, Numerical Reasoning, Number System, Averages, Mixtures and Alligation, Percentages, Series Completion, Analogy and Classification, Patterns in Two-Dimensional Figures, Coding and Decoding, Mathematical Operations, Direction Sense, Logical Deduction and Induction, Simplification and Approximation, Assembling and Grouping of Shapes, Transformation of Shapes, Three-Dimensional Patterns and Visualization, Cubes and Dice, Algebra, Traverse Surveying, Clocks and Calendars, Order, Ranking and Sequence, Constraint Puzzles, Syllogisms and Venn Diagrams, Ratio and Proportion, Mensuration, Permutations and Combinations, Project Monitoring, Resources and Safety, Profit, Loss and Discount, Sequences and Series, Powers, Surds and Logarithms, Subject-Verb Agreement, Sentence Completion, Geometry, Probability, Trigonometry, Measurement and Quantity Take-Off, Statistics, Data Sufficiency, Blood Relations, Speed, Time and Distance, Time and Work, Data Interpretation, Sequence and Series (Series), Algebra, Permutation and Combination, Combinatorics
  3. General Awareness: Physics, Chemistry, Biology, Geography, History, Polity, Indian Economy
  4. Computer Fundamentals: Basics of COA, Number System, Number Representation, Semiconductor Memories and Programmable Logic, Timing, Hazards and Testing, Processor Organization and Instructions, Number Systems and Codes, Combinational Logic Design, Combinational Logic Circuits, Number Systems and Codes
  5. Operating System: Introduction to OS, Unix OS, Linux OS
  6. C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  7. OOPS with C++ & Java: OOPS with C++, Java
  8. Database Management System: Basics of DBMS, SQL
  9. MS Office: MS Office Applications
  10. Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video is a lecture on cell biology, specifically focusing on the structure of cells and the concept of the cell wall. The instructor begins by writing the title 'Cell, Types of Cell' and then draws a simple diagram of a cell. The lesson progresses to define the cell wall, explaining it as an extra covering around the cell membrane, which is made of cellulose. The instructor uses a diagram to illustrate the cell wall as an outer layer surrounding the cell membrane. The video concludes with a comparison, stating that animal cells do not have a cell wall (marked with an 'X'), while plant cells do (marked with a '✓').

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video starts with a black screen. The instructor writes 'Cell, Types of Cell' in red. A simple diagram of a cell is drawn, consisting of a circle labeled 'cell' and an outer layer labeled 'plasma'. The instructor then draws a larger circle around the cell, which is labeled 'cell wall' in yellow. The diagram shows the cell wall as an outer layer surrounding the cell membrane.

  2. 2:00 – 5:00 02:00-05:00

    The instructor explains the meaning of 'cell wall'. The text 'meaning' is written, followed by 'Extra covering around the cell plasma membrane is called cell wall.' The instructor then states that the cell wall is made up of cellulose. A diagram is shown with a cell inside a cell wall. The instructor then compares animal and plant cells, writing '@ Animal Cell' and 'Cell wall -> X' to indicate that animal cells lack a cell wall. This is contrasted with '@ Plant Cell' and 'Cell wall -> ✓' to show that plant cells have a cell wall.

  3. 5:00 – 5:41 05:00-05:41

    The video concludes with a final comparison between animal and plant cells. The instructor reiterates that animal cells do not have a cell wall, as indicated by an 'X', while plant cells do, as indicated by a '✓'. The diagram of the plant cell with its cell wall is shown again, reinforcing the key difference between the two cell types.

The video provides a clear and concise lesson on the cell wall, a key structural component of plant cells. It begins by introducing the topic and then uses a simple diagram to visually define the cell wall as an outer layer made of cellulose. The core of the lesson is a direct comparison between animal and plant cells, highlighting the presence of a cell wall in plant cells and its absence in animal cells. This comparison is effectively communicated through text and symbols (✓ and X), making the distinction easy to understand and remember.

Loading lesson…