UP Board Class 12 Biotechnology Applications — practice questions
39 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 12 Biotechnology Applications in the app →Restriction enzymes are best described as:In recombinant DNA technology, plasmids are commonly used as:The three sequential steps of one PCR cycle are:Taq DNA polymerase used in PCR is obtained from:In gel electrophoresis, DNA fragments move toward the:The standard PLANT cell transformation method uses:The first MAJOR recombinant DNA pharmaceutical, released commercially in 1982, was:Bt cotton is resistant to BOLLWORM pests because it carries a gene from:In India, the regulatory body for releasing genetically modified organisms (GMOs) is:The power of any plant cell to grow into a whole plant is:Raising thousands of plants through tissue culture is called:Plants raised from one parent by tissue culture are called:Virus free plants can be raised from an infected plant using its:Plant cells stripped of their walls by digestion are called:Fusing protoplasts of two varieties gives a plant known as a:Rice enriched with vitamin A by genetic modification is:The Bt toxin used in pest resistant crops comes from a:Inside Bacillus thuringiensis the Bt toxin is stored as:The Bt protoxin becomes an active toxin because the insect gut is:Once activated the Bt toxin kills by acting on the insect:The genes cryIAc and cryIIAb protect cotton against:Tobacco roots are protected from a nematode by silencing its:Silencing a gene with a complementary double stranded RNA is:Human insulin is built from two polypeptide chains joined by:The extra stretch removed as pro-insulin matures is the:Human insulin was first produced by recombinant means in:Inserting a normal gene to correct an inherited defect is:The first clinical gene therapy treated a deficiency of:The ADA gene is carried into a patient's lymphocytes by a:Very low numbers of a pathogen can be detected early by:PCR is now used routinely to detect which virus?ELISA works on the principle of interaction between:In molecular diagnosis the labelled single strand used is called a:Most transgenic animals produced so far have been:Rosie, the first transgenic cow, gave milk enriched in human:Transgenic mice are being used to test the safety of the:Which body clears the safety of GM organisms in India?Using a country's bio-resources without authorisation is:How many documented varieties of Basmati are grown in India?