Pest control
It is not safe to mix insecticides and pesticides with grains meant for human or animal consumption. If any of these are used they should be within safety norms. i) Chemical control Spraying of BHC wettable power, pyrethsum and malathion at 3 weeks interval can be done as a pro..
Vertebrates
Fishes: Lamprey can regenerate its lost tail. Some fishes have the ability to regenerate parts of its fins. Amphibians: The regeneration power is well marked in urodel amphibians like salamanders, newts and their axolotl larvae. They can regenerate limbs, tail, external gills, jaws, ..
Water for All
.003% of the total global water availability! Even though water is a renewable source, its evident conservation of water and non-pollution of freshwater sources is a must, given its vital importance both biologically and chemically and continuing global population explosion. Of the fresh water avai..
Summary
Ammonia is produced by decay of plant and animal tissues. Nitrogenous organic matters like urea in the urine and excreta of animals get acted upon by bacteria releasing ammonia. Ammonia is manufactured by Haber's Process by the reaction of 1 volume of nitrogen gas and 3 vol..
Ammonia is produced by decay of plant and animal tissues. Nitrogenous organic matters like urea in the urine and excreta of animals get acted upon by bacteria releasing ammonia. Ammonia is manufactured by Haber's Process by the reaction of 1 volume of nitrogen gas and 3 vol..Introduction
Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without water. Our body needs water for digestion, i..
Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without water. Our body needs water for digestion, i..Water Introduction Introduction - Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without water. Our body needs water f..
Introduction - Apart from air, the most abundant substance on the earth is water. Humans need water for drinking, bathing, sanitation, washing, cooking etc. Modern agriculture, industry, transport, power generation, civic facilities etc., cannot exist without water. Our body needs water f..Summary
Environment refers to the natural elements that make up the earth and surround living organisms The abiotic or physical aspects of the environment refer to elements like air, soil, water etc. The biological or biotic components of environment are the plants and animals Natural res..
Global Warming
The natural 'Green-house Effect' is essential for life on earth. Various gases in the atmosphere like water vapour and carbon dioxide trap some of the outgoing radiation from the earth, retain the heat and keep the earth's temperature at levels where living things, including man, can survive. How..
Phylum Echinodermata
Phylum Echinodermata - Free living exclusively marine forms. Adults are radially symmetrical while larvae are bilaterally symmetrical. Body is represented by a central disc covered by ossicles with spines called pedicellaria. Disc may bear extensions called arms. Digestive system is complete. A uni..
The Second Law of Thermodynamics
. When a body sliding on a surface comes to rest due to friction, the organized motion of the body is converted to random motion of molecules in the body and on the surface. Since we cannot control the motion of individual molecules, we cannot convert this random motion completely back to organized..
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