Biology, asked by dharmesh6151, 1 year ago

how to write the steps of lab activity in project book? 9th class 7th lesson lab activity how to first write? biology subject

Answers

Answered by SnehaG
3
hii mate❤

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here is ur answer ^↓^

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✒✒The steps of Activity are

✏Aim✏To prepare temporary mount of leaf peel to examine stomata


→ Take a leaf

→Break it into two halves such that the white transparent part should be seen.

→Slowly take out the white part out from the leaf peel

→Keep under the microscope.

→Keep on the slide and put glycerin

→Let it dry for sometime.

→use safranin soln to stain it.

→hence,finally keep of glass slide and examine the parts.

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⭐hope it helps uh⭐

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Answered by MsQueen
3
Hello ❤️

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 <b><font size ="6">Objective:</b></font size ="7">

To prepare a temporary mount of a leaf peel to show stomata.

 <b><font size ="5">Apparatus and Materials Required:</b></font size ="7">

A potted Tradescantia or Bryophyllum plant, forceps, needles, watch glasses, glass slides, a dropper, coverslips, a brush, blotting paper, safranin, glycerine and a compound microscope.

 <b><font size ="7">Procedure :</b></font size ="7">

1. Remove a healthy leaf from the potted plant.

2. Remove a part of the peel from the lower surface of the leaf. You can do this by folding the leaf over and gently pulling the peel apart using forceps. Keeps the peel in a watch glass containing water.

3. Put a few drops of safranin stain in a watch glass.

4. After 2-3 minutes take out the peel and place it on a clean glass slide.

5. Put a drop of glycerin over the peel and place a clean coverslip gently over it with the help of a needle.

6. Remove the excess stain and glycerin with the help of blotting paper.

7. Observe the slide under the low-power and high-power magnifications of the compound microscope.

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Thanks for the question!
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