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Capacity to do work is known as energy. It is very important input for all our activities like cooking food, driving vehicle and running industries. The most important challenge that humanity is facing in 21st century is availability of clean, secure and sustainable energy supply.
Energy sources are broadly divided into two categories. Renewable and renewable energy sources which are further divided into many sub categories:
These sources are regenerated by natural processes so that can be used indefinitely. These are:
(i) Solar energy (ii) water (iii) wind
(iv) Tidal (v) biomass (vi) geothermal
(viii) Ocean thermal energy
Senescence Plants begin their development after seed germination. They grow, flower and finally senesce and die. The period from the start to death is called the longevity or
High energy fixation - Nitrogen Fixation Through cosmic radiations, lightning, volcanic activity and meteorite trails which provide the high energy needed to combine atmospher
Oral Feeding This is the preferred and most palatable method of feeding for meeting the increased nutritional demands of catabolism, it should be used as long as possible. If
Decomposers - Biotic Components Also known as saprotrophs. Mostly, these are microscopic and are heterotrophic in nature. Decomposer organisms obtain their energy and nutrient
how respiration takes place in mammls and reptiles
Meiosis is the special type of cell division in which the numbers of chromosomes in daughter cell are reduced to half, as compared to parent cell. Occurrence: It takes place
6. What is the function of the myelin sheath? Do all axons present a myelin sheath?
State the important role of microorganisms The important role of microorganisms was recognised as early as 1838, when J.B. Boussingeutt a French agricultural chemist observed t
Fatty acid breakdown brings about the oxidation of long-chain fatty acids. The fatty acids are first transformed to their acyl CoA (coenzyme A) derivatives and then degraded by the
Q. What is nidation? In which phase of the menstrual cycle does nidation occur? Nidation is the implantantion of the embryo in the uterus and Nidation takes place around the 7t
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