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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
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494 questions in this chapter
Question 151 of 494
📘 CLASS XII
Over ________ per cent of all existing transgenic animals are mice.
Over 95 per cent of all existing transgenic animals are mice.
Question 152 of 494
📘 CLASS XII
Transgenic animals are specifically designed to study complex factors involved in growth, such as ________-like growth factor.
Transgenic animals are used to study factors like insulin-like growth factor.
Question 153 of 494
📘 CLASS XII
Transgenic models exist for human diseases such as cancer, cystic fibrosis, rheumatoid arthritis, and ________.
Transgenic models exist for Alzheimer’s, cancer, cystic fibrosis, and rheumatoid arthritis.
Question 154 of 494
📘 CLASS XII
The human protein ________ is produced by transgenic animals and used to treat emphysema.
Alpha-1-antitrypsin is a human protein produced by transgenic animals to treat emphysema.
Question 155 of 494
📘 CLASS XII
Attempts are being made to treat phenylketonuria (PKU) and ________ using transgenic animals to produce biological products.
Similar attempts are being made for treatment of phenylketonuria (PKU) and cystic fibrosis.
Question 156 of 494
📘 CLASS XII
Rosie, the first transgenic cow, was produced in the year ________.
The first transgenic cow, Rosie, was produced in 1997.
Question 157 of 494
📘 CLASS XII
Rosie produced human protein-enriched milk containing ________ grams per litre of human protein, specifically alpha-lactalbumin.
Rosie produced milk containing 2.4 grams per litre of human protein.
Question 158 of 494
📘 CLASS XII
Transgenic mice are being developed to test the safety of the ________ vaccine, potentially replacing monkeys.
Transgenic mice are being used to test the safety of the polio vaccine.
Question 159 of 494
📘 CLASS XII
Chemical safety testing using transgenic animals is also known as ________/safety testing.
This process is known as chemical safety testing or toxicity/safety testing.
Question 160 of 494
📘 CLASS XII
Genetic modification of organisms can have ________ results when introduced into the ecosystem.
Genetic modification can have unpredictable results when such organisms are introduced into the ecosystem.
