Question

21. Students of class VIII were preparing a temporary mount of cheek cells. In a haste to complete his work quickly, one of the students scrapped the inner side of his check with the help of toothpick and rubbed it in the center of a glass slide. He placed the coverslip on it and started observing the slide under the microscope. But he was unable to see boundaries of different parts of cheek cells clearly.
a) What may be the reason for this?
b) Name any two parts of the cheek cell which can be seen under a microscope in this slide.​

Answer 1

Answer:

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Explanation:

There are two reasons behind this :

(1) Because of air Bubbles would have filled the cavity of coverslip and the cell organelles were not visible in the microscope.

(2) Because he/she had overstated the mount

Name of satin : Safranin/Methylene Blue

Answer 2

Answer:

Explanation:

1) Tooth pick destroyed the cell membrane....

2) Cytoplasm and Nucleus