preparing temporary slides of plant cells
1.why is it not necessary to peel off a layer of cells from the hydrilla leaf? Is
that because that hydrilla is multicellular but with simple structure so that
there is only one kind of cells?
2.Why is it not necessary to stain the Hydrilla leaf? Is that because it already
contains chlorophyll and can be seen?
3. Why can we observe pollen grains without stain under the microscope? Do
them contain pigments?
4.Why should we squash the banana tissue before observation?
5.why starch is converted back to sucrose when photosynthesis stops, but not
other form of carbohydrates?eg,maltose
Find the errors in the following statements and correct them.
1.The outermost layer of a cell is the cell membrane
2.All plant cells contain the cell wall and chloroplasts
3.In daytime, carbon dioxide only diffuses into a leaf and oxygen only diffuses
out of a leaf
4.Enzymes are destroyed in an acidic condition
5.enzymes increase the rate of reactions but do not take part in the reactions.
6.only fat or oil can form a translucent spot on a piece of filter paper