Start learning →

JKCET DNA Discovery — practice questions

Explore 1 free DNA Discovery questions in JKCET Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise DNA Discovery with Quill →

DNA Discovery questions and exercises with answers

Showing questions 1–1 of 1.

DNA was first isolated and named **nuclein** by:Read the answer and worked solution →

Worked practice questions

DNA was first isolated and named **nuclein** by:

  1. Watson and Crick (1953)
  2. Friedrich Miescher (1869)
  3. Frederick Griffith (1928)
  4. Avery, MacLeod and McCarty (1944)
Show answer and solution

Correct answer: B. Friedrich Miescher (1869)

In 1869, Friedrich Miescher isolated nucleic acid from white blood cells (pus from bandages). Because of its high phosphorus content and acidic properties, he named it 'nuclein' — later termed nucleic acid.

Open this question →

How to practise

  1. Choose a DNA Discovery 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.

More Biology topics

Molecular Basis of InheritanceSexual Reproduction in Flowering PlantsHuman ReproductionCell Cycle and Cell DivisionPrinciples of Inheritance and VariationPrinciples Of InheritanceReproductive HealthHuman Health and Disease