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ISC Class 12 Biotechnology and Applications — practice questions

Explore 84 free Biotechnology and Applications questions in ISC Class 12 Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Biotechnology and Applications questions and exercises with answers

Showing questions 1–30 of 84.

Run one PCR cycle in orderRead the answer and worked solution →Pick the right answer, quicklyRead the answer and worked solution →Match each tool to the job it doesRead the answer and worked solution →Colonies whose beta galactosidase gene carries an insert appear:Read the answer and worked solution →Bacterial cells are made competent by treating them with a divalent:Read the answer and worked solution →Bombarding plant cells with DNA coated gold particles is called:Read the answer and worked solution →Micro-injection puts recombinant DNA directly into the:Read the answer and worked solution →Match each biotechnology term to its meaning.Read the answer and worked solution →The first MAJOR recombinant DNA pharmaceutical, released commercially in 1982, was:Read the answer and worked solution →In gel electrophoresis DNA fragments move towards the:Read the answer and worked solution →Which matrix is most commonly used to separate DNA fragments?Read the answer and worked solution →In an agarose gel the fragment that travels farthest is the:Read the answer and worked solution →PCR amplifies a chosen segment using two sets of:Read the answer and worked solution →Repeated cycles of PCR can amplify a segment about:Read the answer and worked solution →The standard PLANT cell transformation method uses:Read the answer and worked solution →The vector sequence from which replication begins is the:Read the answer and worked solution →An antibiotic resistance gene on a vector serves mainly as a:Read the answer and worked solution →A foreign gene ligated at the BamH I site of pBR322 destroys:Read the answer and worked solution →The thermostable polymerase used in PCR is taken from:Read the answer and worked solution →Sort each item into the right boxRead the answer and worked solution →Order the steps of gene cloningRead the answer and worked solution →Virus free plants can be raised from an infected plant using its:Read the answer and worked solution →The Bt toxin used in pest resistant crops comes from a:Read the answer and worked solution →Silencing a gene with a complementary double stranded RNA is:Read the answer and worked solution →Plant biotech or medical biotech?Read the answer and worked solution →Match the term to what it meansRead the answer and worked solution →NEET · Biology · Biotech — Medical or AgriculturalRead the answer and worked solution →Sort each advance by where it is usedRead the answer and worked solution →Fill the gaps on GM cropsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Run one PCR cycle in order

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Steps
  1. Denature at 94 C
  2. Anneal at 50 to 60
  3. Extend at 72 C
Instructions
Tap the three temperature steps of one PCR cycle in the order the machine runs them.
_Source: Qallery verified question bank, Class 12 State Board, topic Biotechnology: Principles and Processes_

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Pick the right answer, quickly

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Questions
  1. Question
    Heat shock is given at:
    Choices
    1. 12 C
    2. 42 C
    3. 82 C
    Correct choice
    42 C
  2. Question
    PCR copies a segment about:
    Choices
    1. A billion times
    2. A dozen times
    3. A hundred times
    Correct choice
    A billion times
  3. Question
    A bioreactor holds:
    Choices
    1. 1 to 10 mL
    2. 10 to 90 mL
    3. 100 to 1000 L
    Correct choice
    100 to 1000 L
  4. Question
    The first recombinant DNA was made in:
    Choices
    1. 1990
    2. 1983
    3. 1972
    Correct choice
    1972
  5. Question
    Each PCR cycle begins with:
    Choices
    1. Denaturation
    2. Elution
    3. Ligation
    Correct choice
    Denaturation
Instructions
Tap the correct answer before the round moves on.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_

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Match each tool to the job it does

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Matching pairs
  1. Left
    Restriction enzyme
    Right
    Cuts DNA at a set sequence
  2. Left
    DNA ligase
    Right
    Joins two cut DNA ends
  3. Left
    Plasmid vector
    Right
    Carries alien DNA into a host
Instructions
Tap a tool on the left, then tap what it does.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_

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More Biology topics

Genetics and EvolutionReproduction in Organisms & PlantsBiology in Human Welfare & HealthEcology and Environment