JAM 2021 Biotechnology Exam
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Questions and Answers

An acid contains C, H, and O atoms. On combustion analysis, 0.454 g of the acid gives 0.418 g of H2O and 1.023 g of CO2. What is the empirical formula of the acid?

  • C5H8O
  • C4H5O2
  • C3H6O (correct)
  • CH2O
  • Ethylbutyrate is responsible for the odor of pineapple. Which one of the following is the structure of ethyl butyrate?

  • Structure C
  • Structure D
  • Structure B (correct)
  • Structure A
  • If the blood groups of mother and father are AB and O, respectively, what are the blood groups possible for their child?

  • AB
  • AB or A
  • AB, A, B or O
  • A or B (correct)
  • Which one of the following features distinguishes between gymnosperms and angiosperms?

    <p>Seed cover</p> Signup and view all the answers

    Ecosystem ecology is the study of

    <p>Interactions among biotic and abiotic components</p> Signup and view all the answers

    Bacterial strains that do not grow in the absence of a specific nutrient are called

    <p>Auxotrophs</p> Signup and view all the answers

    The type of immunological protection provided by plasma therapy is

    <p>Artificial passive</p> Signup and view all the answers

    Which one of the following components of the bacterial cell acts as an endotoxin?

    <p>Lipopolysaccharide</p> Signup and view all the answers

    Study Notes

    Examination Structure

    • Duration: 3 hours for the examination.
    • Total questions: 60, carrying 100 marks.
    • Paper divided into three compulsory sections: A, B, and C.

    Section A: Multiple Choice Questions (MCQ)

    • Contains 30 MCQs, totaling 50 marks.
    • Questions 1-10: 1 mark each; Questions 11-30: 2 marks each.
    • Negative marking for wrong answers:
      • 1 mark questions: deduct 1/3 mark for incorrect answers.
      • 2 mark questions: deduct 2/3 mark for incorrect answers.

    Section B: Multiple Select Questions (MSQ)

    • Comprises 10 MSQs, totaling 20 marks.
    • Each MSQ may have one or more correct answers.
    • Full credit awarded only if all correct answers are selected, with no penalty for incorrect selections.

    Section C: Numerical Answer Type (NAT)

    • Contains 20 NAT questions, totaling 30 marks.
    • Responses are real numbers entered via virtual keyboard.
    • No choices are provided; questions 41-50 carry 1 mark each, and questions 51-60 carry 2 marks each.
    • No negative marking for incorrect answers.

    Examination Conditions

    • Only a Virtual Scientific Calculator is permitted.
    • Prohibited items: charts, graph sheets, tables, cell phones, or other electronic devices.
    • Rough work can be performed on a provided Scribble Pad.

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    Description

    Prepare for the JAM 2021 Biotechnology exam with this comprehensive quiz! Featuring multiple-choice questions across three sections, this quiz challenges your knowledge in various biotech topics. Test your understanding and readiness for the examination format with practical questions to boost your performance.

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