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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 221 of 494
📘 CLASS XII
The milk produced by the transgenic cow Rosie contained the human protein ________.
Rosie's milk contained the human alpha-lactalbumin.
Question 222 of 494
📘 CLASS XII
If transgenic mice are found to be reliable for vaccine safety testing, they could replace the use of ________.
Transgenic mice could replace the use of monkeys to test the safety of vaccine batches.
Question 223 of 494
📘 CLASS XII
Toxicity testing in transgenic animals allows results to be obtained in ________ time due to their increased sensitivity to toxic substances.
Toxicity testing in sensitive transgenic animals allows results to be obtained in less time.
Question 224 of 494
📘 CLASS XII
The manipulation of living organisms by the human race cannot go on any further, without ________.
The manipulation of living organisms cannot continue without regulation, leading to ethical issues.
Question 225 of 494
📘 CLASS XII
Basmati rice has ________ documented varieties grown in India.
There are 27 documented varieties of Basmati grown in India.
Question 226 of 494
📘 CLASS XII
Industrialised nations are rich financially but poor in biodiversity and ________ knowledge.
Industrialised nations are financially rich but poor in biodiversity and traditional knowledge.
Question 227 of 494
📘 CLASS XII
Tissue culture allows the propagation of a large number of plants in very short durations, a capacity that stems from ________.
Totipotency, the capacity to generate a whole plant from any explant, allows for mass propagation.
Question 228 of 494
📘 CLASS XII
The Green Revolution increased yields mainly due to the use of agrochemicals and improved ________.
Increased yields have partly been due to the use of improved crop varieties, but mainly due to agrochemicals and better management practices.
Question 229 of 494
📘 CLASS XII
The failure of traditional breeding techniques to keep pace with demand necessitated the development of technology like ________.
As traditional breeding failed to keep pace with demand, tissue culture was developed.
Question 230 of 494
📘 CLASS XII
GM crops reduce reliance on chemical pesticides by creating ________ crops.
Genetic modification has reduced reliance on chemical pesticides by producing pest-resistant crops.
