NEET BiologyNCERT Class 12Biotechnology and Its Applications
Biotechnology and its Applications: NEET questions with solutions
This chapter covers applications in agriculture and medicine: Bt crops, RNAi, tissue culture, recombinant insulin, gene therapy, molecular diagnosis, transgenic animals and ethics. Marks are lost on mechanism details such as gut pH, the C peptide and the permanence of gene therapy.
Revise first: NCERT notes for Biotechnology and its ApplicationsQuestions
10 questions · answers after you pick
1The Bt crystal protein is harmless to Bacillus thuringiensis itself but kills a feeding insect larva. What activates the protein inside the…Genetically modified crops: Bt cottonEasySingle correct2Healthy, virus-free plantlets of crops such as banana and sugarcane can be raised from an infected plant by culturing which plant part?Tissue culture — Meristem cultureEasySingle correct3The first clinical gene therapy, carried out in 1990 on a young girl, was aimed at correcting deficiency of which enzyme?Gene therapyMediumSingle correct4Two statements about production of human insulin by recombinant DNA technology are given. Choose the correct option.Genetically engineered insulinMediumStatement based5Study the Assertion and the Reason on engineered resistance to a root parasite in tobacco, then choose the correct option.RNA interferenceMediumAssertion–Reason6Match each application or product of biotechnology in Column I with its description in Column II.Applications of biotechnologyMediumMatch the following7More than 95 per cent of all transgenic animals produced so far belong to which group?Transgenic animalsEasySingle correct8In India, which organisation set up by the Government decides on the validity of GM research and on the safety of introducing GM organisms…Ethical issues and biopiracyMediumSingle correct9Gene therapy for ADA deficiency using the patient's lymphocytes needs periodic infusions. A permanent cure would require the functional ADA…Gene therapyHardSingle correct10Tobacco plants engineered to resist the root-knot nematode make a molecule that stops the parasite from surviving in the roots. What is that…RNA interferenceHardSingle correct
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