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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
The Need for Reporting Accidents : All accidents (no matter how trivial) and, dangerous near misses should be recorded. The recording of accidents ensures that all injuries are tr
Biogas You may have heard of the use of cattle dung for production of biogas which is used for cooking. Water weeds like water hyacinth, water lettuce, salvinia, hydrilla, du
Nitrogen Cycle: Nitrogen is vital part of many essential organic compounds especially nucleic acids and proteins. It also forms a major part (79 per cent) of the atmosphere. I
State about the Peaty soils Peaty soils occur in humid regions and have an accumulation of high organic matter. Such peaty soils containing considerable amount of soluble salt
What are some faqs about the mineral Bloodstone.
Explain the Urea clearance test A test of renal function based upon urea clearance. Urea is a waste product that is created by protein metabolism and excreted in the urine. The
#question.find the specific gravity of blood lymph and water.?
whose photosynthesis
Adulteration of food: We live in a society where some times foods and even medicines are sold in an adulterated form by mixing it with other materials, which are neither food
Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas. These gases take part in the respiration of plants. We know that respiration involves the oxidatio
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