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Biotechnology and its Applications MCQs
Class XII Biology
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NCERT Based
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NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
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494 questions in this chapter
Question 311 of 494
📘 CLASS XII
The Indian Parliament's clearance of the second amendment of the Indian Patents Bill takes into consideration issues of unauthorized ________ of bio-resources.
A conservation B exploitation C development D documentation
Show explanation
The amendment addresses the unauthorized exploitation of bio-resources.
Question 312 of 494
📘 CLASS XII
Biotechnology deals with industrial scale production of biopharmaceuticals and biologicals using genetically ________ microbes, fungi, plants and animals.
A cultured B modified C hybridized D selected
Show explanation
Biotechnology uses genetically modified organisms.
Question 313 of 494
📘 CLASS XII
One application of biotechnology is in the field of diagnostics, alongside therapeutics and genetically modified crops for ________.
A horticulture B forestry C agriculture D aquaculture
Show explanation
Applications include therapeutics, diagnostics, and genetically modified crops for agriculture.
Question 314 of 494
📘 CLASS XII
The method of producing thousands of genetically identical plants is known as ________.
A cloning B somaclonal variation C micro-propagation D somatic fusion
Show explanation
Micro-propagation produces thousands of plants (somaclones).
Question 315 of 494
📘 CLASS XII
Scientists succeeded in culturing meristems of banana, sugarcane, and ________ to obtain virus-free plants.
A wheat B potato C rice D tomato
Show explanation
Meristems of banana, sugarcane, and potato have been cultured successfully.
Question 316 of 494
📘 CLASS XII
GM plants are beneficial because they have increased efficiency of mineral usage, which prevents the early exhaustion of the ________ of the soil.
A water content B fertility C structure D acidity
Show explanation
Increased mineral usage efficiency prevents early exhaustion of soil fertility.
Question 317 of 494
📘 CLASS XII
In the transgenic host plant, the parasite could not survive because the dsRNA silenced the parasite’s specific ________.
A rRNA B tRNA C mRNA D dsDNA
Show explanation
The dsRNA silenced the specific mRNA of the nematode.
Question 318 of 494
📘 CLASS XII
The two short polypeptide chains of mature insulin, Chain A and Chain B, are linked by ________ bonds.
A peptide B hydrogen C disulphide D ester
Show explanation
The chains are linked by disulphide bridges.
Question 319 of 494
📘 CLASS XII
The C peptide is an extra stretch in the pro-hormone insulin that is removed during the process of ________.
A translation B secretion C maturation D transport
Show explanation
The C peptide is removed during maturation.
Question 320 of 494
📘 CLASS XII
Gene therapy involves correction of a gene defect diagnosed in a ________ or embryo.
A child B adult C parent D elderly person
Show explanation
Gene therapy allows correction of a gene defect diagnosed in a child/embryo.
