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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
Keep acid/base concentration of blood constant - Function of Kidney Keep the acid/base concentration of the blood constant and regulate the blood-pressure. Renin, an enzyme- li
classification of animals
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What is International Enzyme International Enzyme :- the amount of enzyme that catalyses the transformation of 1 mole of substrate into product in 1 minute.
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State the harmul effects of Acidity of soil Acidity of soil may have harmful effects on plants due to the effect on enzymatic changes, reduced availability of nutrients like c
Properties Some of the important physico-chemical characteristics of riboflavin are as follows: a) Riboflavin forms needle shaped orange crystals. b) It is sparingl
Use the particle theory to explain conduction
The ability of rock or soil to transmit water is known as its: Permeability
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