Q. The living organisms can be un-exceptionally distinguished from the non-living things on the basis of their ability for

THE WATSON AND CRICK’S MODEL OF DNA DOUBLE HELIX   In 1953, James Watson and Francis Crick deduced the three dimensional structure of DNA and…

Agrobacterium tumeifaciens harbours a large circular DNA known as Ti plasmid, which exists as an independent extra chromosomal entity of 200 kb size.  The most…

Effects of Acid Rain on Human Health: Acid rain has been found to be very harmful to the living organisms as it can destroy life.…

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I. Definition of biological species was given by Ernst Mayr.II. Photoperiod does not affect reproduction in plants.III. Binomial nomenclature system was given by RH Whittaker.IV.…