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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
FIRST AID TREATMENT OF LOCALIZED INJURIES : So far, we have seen main life-saving functions of first aid. Let us discuss the task of controlling some other injuries so that they d
Define the Fixed Type of Macrophages The fixed types are located permanently in certain organs, which include: Lungs - alveolar macrophages. Liver - kupffer cells.
Agriculture on a large scale: Crops had to be planted and harvested in the right season. Floods were a recurrent phenomenon in the river valleys, for which it was essent
Name of the metamorphic rock: gneiss
Explain the Local Hormones Local hormones affect cells in the vicinity of the organ secreting the hormone, what we call as paracrine influence. Examples of local hormones are g
What is earth science?
Explain the Actions of Autonomic Nervous System (ANS) The actions of the autonomic nervous system are largely involuntary (in contrast to those of the somatosensory system). Th
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Architecture: The architectural style of India underwent a drastic change after the Turkish conquest. The Sultans and their nobles insisted on having arches and domes and com
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