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Determine about the Soil and its importance
Everyone knows about soil as a resource which fulfils the basic requirement of human kind by supporting variety of plants and other vegetation. It is difficult to give a unique definition for it, as its observation is quite subjective in nature. In a very broad manner, soil may be visualised as a "thin layer" of Earth's crust which serves as a natural medium for the growth of plants. However, it has different meanings to different people. To a farmer, soil is that portion of Earth's surface which he can plough and grow crops to fulfill needs of family and animals. For a civil engineer, soil is the foundation for all construction activity like roads, buildings, embankment of canals and drains etc. For an oil technologist, soil clays and clay minerals are the sources o f petroleum cracking agents. Thus, soil is a vital natural resource which needs proper understanding and management to maintain and improve its productivity, which in turn, helps to maintain a healthy and green environment.
(a) Anti-malarial drugs kill the parasites in the blood but they do not cure the disease.Why is this? (b) Why was the use of DDT insecticide not successful in eradicating mal
Objective of the Radiographic Technique The ball bearings are opaque and their diameter have to be measured with the help of vernier caliper prior to use. (2 to 5 mm diameter b
N e wcastle disease / Ranikhet disease (ND/RD) This disease is caused by Newcastle disease virus (NDV) belonging to the genus Paramyxovirus of the family Paramyxoviridae. Alo
An A=T mispairing leads to an A=C substitution. The other DNA helix will contain a(n) __ pair. a. A=C b. A=T c. G=C d. B=Q e. T=T Can you also explain it please so if I'm ask
Define the Role of Vitamin A in immune response? Vitamins A is essential to normal immune function and- regulation. As discussed above, during vitamin A deficiency the goblet c
Determine Functions of Zinc in the Body? Zinc is an essential component of a large number of enzymes participating in the synthesis and degradation of carbohydrates, lipids, pr
Q. Of which type of defense cell do viral infections stimulate the multiplication? The main leukocytes that generally participate and multiply in the defense against viral infe
Explain about the Macro Minerals? Previously we learnt about the structure, properties, deficiencies/toxicity and recommended dietary intakes of several vitamins. In this unit,
To study the structure of a seed Soak seeds of bean, pea, pumpkin, sunflower, corn and other large forms. Take away the seed- coats and carefully cut the seeds open. Discover t
In that Unit you also learnt about Darwin, who based on his extensive observations and interpretations showed that evolution is a simple fact of nature. It was Theodosius Dobzhansk
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