Transgenic animals — NEET Biology Questions

Practice 30 questions on Transgenic animals from Biotechnology and its application (NCERT Class 12, Chapter 10). Free samples below — get all 30 in the app.

30 Questions Biotechnology and its application Class 12

Sample Questions — Transgenic animals

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MCQ
What makes transgenic animals suitable for toxicity testing of drugs?
  • A. They have natural resistance to poisons
  • B. They are genetically modified to be toxin-sensitive
  • C. They produce anti-toxins
  • D. Their immune system is suppressed
✅ Correct Answer: B
These animals carry genes that make them more sensitive to toxins, allowing early and reliable detection.
MCQ
What are transgenic animals?
  • A. Animals with cloned DNA inserted into their genome
  • B. Animals with foreign DNA inserted into their genome
  • C. Animals produced via inbreeding
  • D. Animals produced via embryo transfer
✅ Correct Answer: B
Transgenic animals are those that have had their DNA manipulated to possess and express a foreign gene.
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MCQ
Which human protein was expressed in Rosie's milk?
  • A. β-casein
  • B. Insulin
  • C. Alpha-lactalbumin
  • D. Lactase
✅ Correct Answer: C
Rosie’s milk contained nutritionally enriched human alpha-lactalbumin.
MCQ
Which was the first transgenic cow to produce human protein-enriched milk?
  • A. Rosie
  • B. Molly
  • C. Dolly
  • D. Lucy
✅ Correct Answer: A
Rosie was the first transgenic cow developed to produce human alpha-lactalbumin in milk.
MCQ
Transgenic animals help in studying diseases such as:
  • A. Cancer and Alzheimer’s
  • B. Obesity and asthma
  • C. Diabetes and hypertension
  • D. Scurvy and anaemia
✅ Correct Answer: A
NCERT explicitly lists these among diseases modeled in transgenic animals.

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