Start learning →

Bihar Board Class 12 (Science) Biotechnology and Applications — practice questions — page 5

Explore 129 free Biotechnology and Applications questions in Bihar Board Class 12 (Science) Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise Biotechnology and Applications with Quill →

Biotechnology and Applications questions and exercises with answers

Showing questions 121–129 of 129.

Most transgenic animals produced so far have been:Read the answer and worked solution →Rosie, the first transgenic cow, gave milk enriched in human:Read the answer and worked solution →Transgenic mice are being used to test the safety of the:Read the answer and worked solution →Which body clears the safety of GM organisms in India?Read the answer and worked solution →The genes cryIAc and cryIIAb protect cotton against:Read the answer and worked solution →Bt cotton is resistant to BOLLWORM pests because it carries a gene from:Read the answer and worked solution →Which enzyme joins two cut DNA ends to make recombinant DNA?Read the answer and worked solution →The power of any plant cell to grow into a whole plant is:Read the answer and worked solution →In recombinant DNA technology, plasmids are commonly used as:Read the answer and worked solution →

Worked practice questions

Most transgenic animals produced so far have been:

  1. Pigs
  2. Fish
  3. Mice
  4. Cows
Show answer and solution

Correct answer: C. Mice

1. Many species have been made transgenic. 2. One species dominates the total by far. 3. Over ninety five per cent of them are mice. _Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_

Open this question →

Rosie, the first transgenic cow, gave milk enriched in human:

  1. Alpha antitrypsin
  2. Alpha ketoglutarate
  3. Alpha aminobutyrate
  4. Alpha lactalbumin
Show answer and solution

Correct answer: D. Alpha lactalbumin

1. Rosie was produced in 1997. 2. Her milk carried a human protein at 2.4 grams a litre. 3. That protein was alpha lactalbumin. _Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_

Open this question →

Transgenic mice are being used to test the safety of the:

  1. Polio vaccine
  2. Rabies vaccine
  3. Plague vaccine
  4. Mumps vaccine
Show answer and solution

Correct answer: A. Polio vaccine

1. A vaccine batch must be checked before human use. 2. Transgenic mice can replace monkeys for that check. 3. They are being used to test the polio vaccine. _Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_

Open this question →

How to practise

  1. Choose a Biotechnology and Applications question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Biotechnology and Applications practice for Bihar Board Class 12 (Science). Read explanations as you go. No signup form needed to start.

Practise Biotechnology and Applications →

More Biology topics

Reproduction in Organisms & PlantsGenetics and EvolutionBiology in Human Welfare & HealthSexual Reproduction in Flowering PlantsMolecular Basis of InheritancePrinciples of Inheritance and VariationHuman Health and DiseaseEvolution