Methylene blue is used to stain cheek cells. It binds to the nucleus, making it stand out clearly. The dye helps highlight cell structures for easy observation under the microscope. Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond ...
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NCERT Solutions and important questions for Class 8 science for CBSE 2020-2021.
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Like bricks in a wall, plant cells are tightly arranged in rows and columns. Each cell resembles a brick with rigid walls, giving the plant structure and support. Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked ...
Under the microscope, onion cells appear as a neat grid of rectangular boxes. They are tightly packed and arranged in rows, each with a visible nucleus and clear cell wall. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living ...
Excess glycerin can cause blurring and slipping of the cover slip. Removing it with blotting paper improves clarity and stability, ensuring a clear and undistorted microscopic image. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond Our ...
Glycerin prevents the onion peel from drying and keeps it stuck to the slide. It also provides clarity and allows easy viewing of cell structures under the microscope. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond ...