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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 makes streams look muddy? After a heavy rainfall have peoples take samples of running muddy water in glass jars. Let the water stand for many hours unless the sediment has
Explain Activation of enzyme - Functions of Bile Activation of enzyme: Bile salts activate pancreatic lipase. Lipase, as you already know, is a fat - splitting enzyme and split
What are the Difference between dictionary catalogue and classfied catalogue?
Define General Hormones General hormones, on the other hand, are emptied into the blood by specific endocrine glands and then flow throughout the entire circulation to affect c
Pulse products: The important processed pulse products are puffed chickpea and pea, besan, papads, pulse-based weaning foods, quick cooking dhals, and canned dry peas Oils
Explain the Constituents and Examination of Urine The quantity of urine in 24 hours in adult normal individual varies from 600 ml to 2500 ml. It is pale yellow in colour, hyper
Hypothesis: The next step is to formulate hypothesis. A hypothesis is a statement, put forward on the basis of reasoning, about the things that are being studied. It is an att
Which type of rock is critical for the formation of geysers? Liquid rock is required for geysers to form in the form of what is known as magma - which is the geological name fo
describe the factors which decide the broad area of scientific activity?
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