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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
What are ions? What are the two types of molecules into which ions are classified? Ions are atoms or substances electrically charged by means of loss or gain of electrons.
What is ADP phosphorylation? What respectively are photophosphorylation and oxidative phosphorylation? ADP phosphorylation is the addition of one inorganic phosphate in the mol
Types of Aortic Stenosis: Obstruction to left ventricular outflow is commonly at the valvar level. Less commonly it is at the sub valvar or supra valvar level. Sub valvar ob
What is the control center of the cell? The nucleus contains DNA, which having the instructions for all the functions of the body.
Explain Antigens ? A blood type, or group, is based upon the presence or absence of certain substances called antigens on the surface of the red blood cells. Antigens are subs
Explain disease typhoid Typhoid is often called enteric fever because the infection or bacteria is found in the intestines and attaches itself to the epithelium of the intes
ADOLESCENC E - It is the period of growth from the onset of puberty to the completion of growth & maturity. It extends between 12- 20 yrs. It is a period of rapid physical
Q. Describe the Non Direct Approach? The counsellor's participation is minimal; here the counsellee freely expresses. The counsellor pays attention to the emotion and attitudes
Determine the Occurrence of vitamin A In the vegetable kingdom, vitamin A probably occurs in the form of its provitamins which belong to the group of carotenes. Carrots, spina
Q. What is membrane? Membrane is any delicate sheet that separates one region from another blocking or permitting completely or selectively the passage of substances. The skin,
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