Practice free Biotechnology Principles and Processes (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
The primary objective of creating a recombinant DNA molecule is to:
The NCERT text says: 'In almost all recombinant technologies, the ultimate aim is to produce a desirable protein. Hence, there is a need for the recombinant DNA to be expressed. The foreign gene gets expressed under appropriate conditions.'
Which of the following describes the definition of 'Biotechnology' as given by the European Federation of Biotechnology (EFB)?
The European Federation of Biotechnology (EFB) has given a definition of biotechnology that encompasses both traditional view and modern molecular biotechnology. The definition given by EFB is as follows: 'The integration of natural science and organisms, cells, parts thereof, and molecular analogues for products and services'.
The two core techniques that enabled the birth of modern biotechnology are:
Among many, the two core techniques that enabled birth of modern biotechnology are: (i) Genetic engineering: Techniques to alter the chemistry of genetic material (DNA and RNA), and (ii) Bioprocess engineering: Maintenance of sterile conditions to enable growth of desired microbe/eukaryotic cell in large quantities for the manufacture of biotechnological products.
Which of the following is NOT an application of biotechnology mentioned in the provided text?
The applications of biotechnology include therapeutics, diagnostics, genetically modified crops for agriculture, processed food, bioremediation, waste treatment, and energy production. Space exploration is not mentioned as an application.
What does a Genetically Modified Organism (GMO) refer to?
Plants, bacteria, fungi and animals whose genes have been altered by manipulation are called Genetically Modified Organisms (GMO). GM plants have been useful in many ways.
One of the advantages of genetically modified (GM) plants is their enhanced nutritional value. An example of this is:
Genetic modification has: (v) enhanced nutritional value of food, e.g., golden rice, i.e., Vitamin 'A' enriched rice.
Which of the following is considered a 'Biotechnological Application in Agriculture' to increase food production?
Let us take a look at the three options that can be thought for increasing food production: (i) agro-chemical based agriculture; (ii) organic agriculture; and (iii) genetically engineered crop-based agriculture.
What is 'micro-propagation' in the context of plant tissue culture?
By application of these methods it is possible to achieve propagation of a large number of plants in very short durations. This method of producing thousands of plants through tissue culture is called micro-propagation.
The capacity of a plant cell/explant to generate a whole plant is known as:
This capacity to generate a whole plant from any cell/explant is called totipotency.
Bt toxin is produced by the bacterium Bacillus thuringiensis. How has man exploited this protein for agricultural benefit?
Bt toxin is produced by a bacterium called Bacillus thuringiensis (Bt for short). Bt toxin gene has been cloned from the bacteria and been expressed in plants to provide resistance to insects without the need for insecticides; in effect created a bio-pesticide.
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