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It is defined as the presence of chemicals and particulate in the atmosphere in quantities and pollution that are harmful to human health and environment. It occurs when the concentration of certain substances become high enough to cause the atmospheric environment to become toxic. Air pollution affects the human being very high because every human being inhales about 15-22 kg of air daily and if it polluted it will damage human health considerably.
Example: SO2, CO, Chlorofluoro-Carbon (CFC'S), Nitrogen oxide etc.
Decreasing power is available in a cell both as NADPH and NADH but these have quite distinct roles. NADH is oxidized by the respiratory chain to produce ATP by oxidative phosphoryl
Question 1 List the cells and organs involved in immune system. Explain the role of thymus in development of T cells. Add a note on recognition of self antigens by immune system
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Q. Why is meiosis significant for the maintenance of the normal quantity of chromosomes of a species with sexual reproduction? A reduction to a half of the maximum normal quant
Importance of Dark Period For quite sometime the role of light period (photoperiod) was emphasised in flowering? However, based on certain experiments it was realised that it
Role of Pancreas in Digestion Pancreatic juices secreted from the pancreas aid in digestion of the food. About 600-800 ml of fluid i.e. the pancreatic juice is
Q. What is the intermediate host of Schistosoma mansoni? Where does that host live? The intermediate host of a schistosome is a gastropod mollusc, Biomphalaria genus and a snai
Describe the different types of respiratory organs found in annelids.
What is inheritence and what is the relation between mendel and darwin?
Define Ergogenic and for training and competition? There is always our desire to work with the body more .than its capability. This is more so in case of athletes. They wish to
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