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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
Determine how nitrogen is useful in plant nutrients The supply of nitrogen is related to carbohydrate utilisation. If nitrogen supply is insufficient, carbohydrates will be dep
why- 1) alcoholic acidity is determined? 2) ash content is important factor in wheat flour? 3)carbohydrates and sugar are separately denoted on pachaging material?
which organs are protected by the skull
Describe about the term - inorganic phosphorus The large quantity of carbon dioxide evolved during organic matter decomposition is thought to be important to the release of ce
What is an ionic crystal? An ionic crystal is one in which ionic bonds form the structure, or lattice, of the crystal. The ions that come together to form these structures must
Sucrose is a non-reducing Sugar while Maltose and Lactose are reducing due to the presence of free Aldehydic Functional Group in them. In SUgar the Aldehydic Group of both Glucos
Biotechnology in agriculture: Production of enough food to meet the demands of an ever-increasing population in the world is a major task and a challenge to agricultural scient
what is the difference in atomic mass of iodine and magnesium
Dew-point temperature You can calculate the dew-point temperature with a shiny can having some water, a thermometer and some ice. The dew-point temperature is an significant we
explain what ausubel''s theory say about learning
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