...Eczema A skin condition related to dryness, itchiness redness and inflammation. Caused due to allergy, this skin condition is mostly caused due to inheritance from the family. Some allergies which are caused at lung level , become asthama. At eye level they become conjunctivitis but when an immune system start triggering recations at skin level, eczema or allergic dermatitis has said to occur. Though there is not a complete cure of eczema available yet, but the disese is manageable. Comventional treatments offer steroids, antihistamines,immunomodulators, calcineurin inhibitors corticosteroid tablets , etc that try to suppress the systems only to give shprtt time relief. These symptoms can falare up back again when one stops the intake of these remedies. Some creams can even cause skin thinning and can aggravate the skin condition....
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...MODULE - 4 Contemporary Environmental Issues Environmental Science Senior Secondary Course Notes 10 ENVIRONMENTAL POLLUTION Developmental activities such as construction, transportation and manufacturing not only deplete the natural resources but also produce large amount of wastes that leads to pollution of air, water, soil, and oceans; global warming and acid rains. Untreated or improperly treated waste is a major cause of pollution of rivers and environmental degradation causing ill health and loss of crop productivity. In this lesson you will study about the major causes of pollution, their effects on our environment and the various measures that can be taken to control such pollutions. OBJECTIVES After completing this lesson, you will be able to: • • • • • • • define the terms pollution and pollutants; list various kinds of pollution; describe types of pollution, sources, harmful effects on human health and control of air pollution, indoor air pollution, noise pollution; describe water pollution, its causes and control; describe thermal pollution; describe soil pollution, its causes and control; describe radiation pollution, sources and hazards. 10.1 POLLUTION AND POLLUTANTS Human activities directly or indirectly affect the environment adversely. A stone crusher adds a lot of suspended particulate matter and noise into the atmosphere. Automobiles emit from their tail pipes oxides of nitrogen, sulphur dioxide, carbon dioxide, carbon monoxide and a complex...
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...1. Which of the following is the characteristic of the living thing? A. have specific shape B. have regular shape C. have organized body D. none of the above 2. Which of the followings includes in homeostasis? a. To maintain the shaped of the body b. To maintain the balance of the body c. To maintain the temperature of the body d. To keep the animal away from the body 3. Your hearts starts beating before seven month of your birth. The study of your body at this stage comes within: (a) Morphology (b) Embryology (c) Anatomy (d) Histology 4. A doctor is studying the contraction and relaxation of a heart. He is studying: (a) Morphology (b) Embryology (c) Anatomy (d) Histology 5. Study of different parts of eye is called (a) Histology (b) Anatomy (c) Physiology (d) None of these 6. A biologist removes some bones of dinosaurs from a rock. He is studying: (a) Morphology (b) Paleontology (c) Ecology (d) None of these 7. Darwin sys, “man has formed from monkey”. He talked about (a) Fossil (b) Evolution (c) Taxonomy (d) None of these 8. Kangaroo lives in Australia but buffaloes lives in Pakistan. The study of this distribution of animals is called (a) Ecology (b) Environmental biology (c) Taxonomy (d) Zoogeography 9. The study of structure of molecule of starch is called: (a) Molecular biology (b) Biochemistry (c) Morphology (d) None 10. The study of Amoeba comes with in the branch of biology: (a) Taxonomy (b) Ecology (c) Microbiology (d) None 11. The study...
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