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It is a technique used for creating multiple copies of a given gene. A chromosome of an organism is broken into small fragments comprising of one or a few genes with the help of restriction endo-nucleases. Each fragment is joined to a suitable vehicle DNA, forming recombinant DNAs of different nat..

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As a result of sustained research in agriculture, many high yielding varieties /hybrids have been released in our countries (India 2000). In rice, more than 600 high yielding, early maturing, dwarf disease resistant varieties have been evolve..

Density of population in many cities and urban centers is so high that their respiration has caused imbalance in air composition. Their constant intake of oxygen and release of carbon dioxide has the potentiality to change the composition of ai..

Halogens have very high electron affinity values and therefore, have very strong tendency to gain an electron. Thus halogens are very reactive elements due to their low dissociation energies and high electron affinity values. As clear from the values of bond dissociation energi..

High Yielding Varieties / Hybrids - As a result of sustained research in agriculture, many high yielding varieties /hybrids have been released in our countries (India 2000). In rice, more than 600 high yielding, early maturing, dwarf disease resistant varieties have be..

As a result of sustained research in agriculture, many high yielding varieties /hybrids have been released in our countries (India 2000). In rice, more than 600 high yielding, early maturing, dwarf disease resistant varieties have been evolved. Many rice hybrids such as ProAgro ..

Ionic compounds have high melting and boiling points. A large amount of energy is required to break the crystal lattice, because the ions are held together by strong electrostatic forces of attraction. The variation in melting point depends upon the charges on the ions and ionic radii. T..