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Introduction : In any laboratory dealing with biological experiments, hazards can occur mainly due to chemicals and biological materials. In the previous exercise you have done the activity of classifying hazardous chemicals and you also learnt the skill of handling such chemicals. In this exercise you will carry out the activities related to the disposal of biological materials after the experimental work with such materials is over. Disposal activities are related to microorganisms and dead animals. Since these materials cause contamination and infections very rapidly, more care is required in their disposal. Disposal of plant materials is comparatively simpler. Put all the used plant materials in a disposable bag, seal or tie the bag and put it in the waste collecting bins.
Explain the Porphyrins in the urine Porphyrins (a group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration
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Poisonous and Infectious Substances : These are the substances liable to cause death or serious injuries to health, if swallowed or inhaled or allowed to come in contact with skin
how many types of heterotrophic nutrition in plants?..
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
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Objectives : After studying this unit, you should be able to 1. explain the need for safety and health regulations using an example, 2. describe the use of National Buildi
TO SURVEYS A LAB FOR ITS FIRE PREPAREDNESS As said earlier in this activity you are going to survey the labs of the institution where you are working at. Look for the fire safe
Explain Accessory Organs which help in Digestion The gastrointestinal tract receives various secretions. Some are secreted from the glands in the lining membrane of the organs,
Dissolution and dilution : Water soluble1 miscible chemical wastes which are harmless in high dilution may be run into the drainage with plenty of water. It may be noted that al
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