Biology Class 9th
Topics for this course
13 Lessons
Biology Paper Class new 9th Final Exam (25 May 2021)
Biology Paper Class new 9th Final Exam (25 May 2021)
Biology Old 9th Class Test-Conceptual Phase 2 , 19 May 2021
Biology Class New 9th Definition Online Test (5 May 2021)
Biology Class New 9th Conceptual Online Test (Retest May 2021)
Biology Class Old 9th Online Test-Definitions ( 5 May 2021)
Biology Class 9th Online Test-2
Biology Class 9th Online Test-3
Biology Class 9th Online Test 1 April 2021
Biology Class 9th 1st Term Online Exam
Endangered Species
Endangered Species; species in danger of extinction and need to be protected
This video is about: Endangered Species.
Deforestation, Soil Erosion
Deforestation is the removal of a forest, soil erosion is displacement of the upper layer of soil
This video is about: Deforestation, Soil Erosion.
Light Microscope
Structure and working of Light Microscope
This video is about: Light Microscope
Electron Microscope
Structure and working of Electron Microscope
This video is about: Electron Microscope.
Workingof SEM
Working of scanning electron microscope
This video is about: Workingof SEM.
History of Formulation of Cell Theory
Cell theory was formulated by Matthias Schleiden and Theodor Schwann, cell is the basic unit of life
This video is about: History of Formulation of Cell Theory.
Cell, Biology
Concept of muscle cells, nerve cells, gland cells, xylem cells, phloem cells
This video is about: Cell.
Cell wall
Cell wall of plants is made of cellulose, fungi cell wall is chitin and prokaryote is peptidoglycan
This video is about: Cell wall
More on Cell wall
Cell wall gives protection, structure, shape and strength, plant cell wall is made of cellulose
This video is about: More on Cell wall.
Prions
Prions are proteinaceous infectious particle
This video is about: Prions
Viruses, Size, Shape and Characteristics
Introduction to Viruses, Size, Shape and Characteristics of viruses
This video is about: Viruses, Size, Shape and Characteristics.
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