Biotechnology: Principles and Processes Important Questions for CBSE Class 12 Biology Processes of Recombinant DNA Technology 1. Recombinant DNA Technology involves the following steps in sequence: (i) Isolation of the genetic material (DNA) is carried out in the following steps: (a) DNA is enclosed within the membranes. To release DNA along with other macromolecules such as … [Read more...]
Important Questions for CBSE Class 12 Biology Principles of Biotechnology and Tools of Recombination DNA Technology
Biotechnology: Principles and Processes Important Questions for CBSE Class 12 Biology Principles of Biotechnology and Tools of Recombination DNA Technology 1. Biotechnology can be defined as the use of microorganisms, plants or animal cells or their components to produce products and processes useful to humans. According to the European Federation of Biotechnology (EFB), … [Read more...]
Important Questions for CBSE Class 12 Biology Microbes in Household Products, Industrial Products and in Sewage Treatment
Microbes in Human Welfare Important Questions for CBSE Class 12 Biology Microbes in Household Products, Industrial Products and in Sewage Treatment 1. Microbes are the major components of biological systems on the earth. They are present everywhere, i.e. in soil, water, air, inside our bodies and those of other animals and plants. They can also be found deep inside the geysers … [Read more...]
Important Questions for CBSE Class 12 Biology The Origin of Life and Evidences of Evolution
Evolution Important Questions for CBSE Class 12 Biology The Origin of Life and Evidences of Evolution 1.The study of history of life forms on earth is called evolutionary biology. 2.Evolution is a process that results in heritable changes in population spread over many generations leading to diversity of organisms on earth. 3.Origin of life is considered a unique event … [Read more...]
Important Questions for CBSE Class 12 Biology Genetic Code, Human Genome Project and DNA Fingerprinting
Molecular Basis of Inheritance Important Questions for CBSE Class 12 Biology Genetic Code, Human Genome Project and DNA Fingerprinting 1.Genetic code is the relationship between the sequence of nucleotides on mRNA and the sequence of amino acids in the polypeptide. 2.Deciphering the Code (i)George Gamow a physicist suggested that the genetic code should be made up of three … [Read more...]