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Dissecting simple flowers
Label each of five cards or pieces of White paper with one of the following words: stamens, pistil, petals,sepals, receptacle. Dissect a flower carefully and place the parts gently on the appropriate cards .
Some flowers can be pulled apart quite easily but a knife or scissors may be needed for others kind of flower. When we have a sufficient number of flowers available this exercise is most Important as an individual pupil activity. Simple flowers with a single row of petals should be selected.Pick up one of the stamens and rub the anther lightly across a piece of black paper. Traces of pollen will usually be seen by you.Cut the ovary crosswise with a sharp knife gently and count the ovules or "seed pockets". Look for traces of seeds in the ovules
What are mechanical hazards and outline them
Emulsification : Water immiscible liquid wastes can be emulsified using soap or detergent solution and then run into the drainage. Examples: Benzene, toluene, cyclohexane, nitrobe
The important physico-chemical properties of thiamin are as follows: a) Thiamin hydrochloride is a white, needle-shaped crystalline substance. b) It has a characteristic sm
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
For all other wastes i) Burial The spillage could be buried using any of the following methods: The spillage could be mixed with sand and buried deep. Examples: Iodine
Ask quesExplain that your intention is to investigate a variety of combinations of pipe material, insulation material and size which you could potentially consider when deciding on
Antibody Mediated Immune System (AMIS) In antibody-mediated immunity, the antibodies dissolved in blood, lymph and other body fluids bi nd the antigen and trigger a response to
Types of Resource Maps: Generally, several types of maps, based on the type of.resburces, are prepared. Some of these are: Soil Maps showing the types of soil, their comp
Requirements Cell holder - 1 Bulb holder - 1 Wire - 1 Bulb (2.0 V) - 1 Cells (1.5 V) - 2 Plug (6/ 16 A) - 1 Screw driver - 1 Crocodile clips - 4 pair
Hypersecretion of Adrenocortical Hormones during Childhood Children suffering from hypersecretion of adrenocortical activity are described as Infant Hercules. There is too earl
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