Cheek cell experiment class 9
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☺☺hlo matehere is ur answer ☺☺
______________________________
AIM : To observe the nucelus in the cheek cell .
MATERIALS REQUIRED:
☆. tooth pick .
☆. glass slide .
☆. cover slip .
☆. watch glass .
☆ . blotting paper.
☆ . 1% methylene blue .
☆. normal soline .
☆ .glycerine .
☆. Microscope .
PEOCEDURE:
☆. Wash your mouth and scrap a little of the internal lining of your cheek inside your mouth with a clean tooth pick or spatuala or ice cream spoon .
☆. Place the scrape into watch glass containing a very small quantity of normal saline .
☆. Then place the material on a glass slide .
☆. Put a drop of methylene blue and for a couple of minutes.
☆ .Wipe off the extra stain with a fine cloth .
☆. Put a drop of glycerine over it
☆.place a coverslip .Tap the coverslip with the blunt end of needle so as to spread the cells.
PRECAUTIONS:
☆. Do not scrape the cheek too hard as it may injure you .
☆ . Scrapped material should be spread uniformly on the slide .
☆. Excess stains should be drained off.
☆. There should be no air- bubbles under the coverslip.
OBSERVATION:
We have succesfully observed the nucleus in the cheek cells .
HOPE THIS WILL HELP U ☺☺
______________________________
AIM : To observe the nucelus in the cheek cell .
MATERIALS REQUIRED:
☆. tooth pick .
☆. glass slide .
☆. cover slip .
☆. watch glass .
☆ . blotting paper.
☆ . 1% methylene blue .
☆. normal soline .
☆ .glycerine .
☆. Microscope .
PEOCEDURE:
☆. Wash your mouth and scrap a little of the internal lining of your cheek inside your mouth with a clean tooth pick or spatuala or ice cream spoon .
☆. Place the scrape into watch glass containing a very small quantity of normal saline .
☆. Then place the material on a glass slide .
☆. Put a drop of methylene blue and for a couple of minutes.
☆ .Wipe off the extra stain with a fine cloth .
☆. Put a drop of glycerine over it
☆.place a coverslip .Tap the coverslip with the blunt end of needle so as to spread the cells.
PRECAUTIONS:
☆. Do not scrape the cheek too hard as it may injure you .
☆ . Scrapped material should be spread uniformly on the slide .
☆. Excess stains should be drained off.
☆. There should be no air- bubbles under the coverslip.
OBSERVATION:
We have succesfully observed the nucleus in the cheek cells .
HOPE THIS WILL HELP U ☺☺
Attachments:
hamidul66:
mai bhi aapko nahi bata raha hoon na
oh i am so sorry i really hurt you it's just only a joke so please
but I am so sorry
please mujhe maaf kardo
mein promise karta hoon ki age se main kisi ke saath bhi aisa nahi karoonga
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