The commonly used stain for preparing onion peel slide is

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Important Questions on Slide of Onion Peel and Cheek Cells

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 5

An onion slide when viewed under the microscope showed pink stained nucleus, the stain used is

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 6

The types of lenses present in a compound microscope are

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 7

Which one of the following is the correct step, in the procedure of making a temporary slide of human cheek cells?

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 8

Cheek cell is stained with:

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 9

Given below are four operations for preparing a temporary mount of human cheek cells.
(i) taking scraping from inner side of the cheek cells and spreading it on a clean side.
(ii) putting a drop of glycerine on the material,
(iii) adding two or three drops of methylene blue
(iv) rinsing the mouth with fresh water and disinfectant solution.
The correct order of steps is:

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 10

The extra stain from the slide if present is removed by

EASY

9th CBSE

IMPORTANT

Practical Skills In SCIENCE 9>Chapter 5 - Slide of Onion Peel and Cheek Cells>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 11

To prepare a mount of human cheek cell, the sample is collected from

EASY

9th CBSE