Question

write the precautions to be taken during observation to dermsl tissue in rheo leaf​

Answer 1

Answer:

==>> Using a forceps, pull out two small segments of thin transparent layer from the lower epidermis of the rhoeo leaf. Place the epidermal peels on both glass slides. Using a dropper, take some sodium chloride 0.1% solution from the beaker. ... Using another dropper, take sodium chloride 5% solution from the beaker.

⟩ Precautions:

• Cut the peel to a proper size and avoid folding it. ...
• Always place the peel at the centre of the slide and hold the slide at the edges.
• Do not overstrain or under strain the peel.
• Always handle the peel with a brush as a needle may damage the cells.
• Take care to prevent the peel from drying by using glycerin.

Explanation:

• The student has observed two different type of cell while observing leaf peel under microscope, the two cells are gaurd cell and epidermal cell. The epidermal cells are irregular in shape with no intercellular space and it contain pores called stoma with gaurd cells, gaurd cell contain chlorophyll and nucleus.

Answer 2

Answer:

precautions :-

1) air bubbles should not come at the time of applying cover slip

2) for preventing the leaf from dyeing more,after dyeing the extra dye should be removed by washing with water....