MCQ quiz on DNA Replication multiple choice questions and answers on DNA Replication MCQ questions on DNA Replication objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

DNA Replication MCQ Questions and Answers Quiz

1. A piece of double stranded DNA has 30% A, what will be the % of G?

  1. 30%
  2. 40%
  3. 20%
  4. 70%

2. ...........is the adaptor that is key to converting the triplet codons of mRNA into the protein polymers

  1. rRNA
  2. mRNA
  3. siRNA
  4. tRNA

3. DNA molecules are made up of subunits called nucleotides that are linked together. How many different types of nucleotides are used to make DNA molecules?

  1. One type
  2. Two types
  3. Three types
  4. Four types

4. During translation, the type of amino acid that is added to the growing polypeptide depends on the

  1. codon on the mRNA and the anticodon on the rRNA.
  2. anticodon on the mRNA and the anticodon on the tRNA.
  3. anticodon on the rRNA and the codon on the mRNA.
  4. codon on the mRNA and the anticodon on the tRN

5. Genes for medically important proteins can be cloned and inserted into bacteria, as shown in the diagram on the right. Why can bacteria recognize a human gene and then produce a human protein?

  1. DNA replication in bacteria and humans is the same.
  2. Bacterial cells contain the same organelles as human cells.
  3. The basic components of DNA are the same in humans and bacteria.
  4. Bacterial cells and human cells contain the same kind of chromosomes.

6. Genomic DNA is .............resulting in the production of ............

  1. Transcribed, mRNA
  2. Translated, tRNA
  3. Transcribed, DNA
  4. Translated, protein

7. How many amino acids are coded for the strand of mRNA show below? Assume the reading frame begins with the first nucleotide.

  1. 1
  2. 2
  3. 3
  4. 6

8. Humans, butterflies, and trees are all living things. In which of these organisms would you find DNA molecules?

  1. Only in humans
  2. Only in humans and butterflies
  3. In humans, butterflies, and trees
  4. In none of these organisms

9. In eukaryotes

  1. Transcription takes place in the cytoplasm, and translation takes place in the nucleus.
  2. Transcription takes place in the nucleus, and translation takes place in the cytoplasm.
  3. Proteins are produced.
  4. Transcription and translation both take place in the nucleus.

10. In humans, where does DNA replication take place?

  1. Cytoplasm
  2. Ribosomes
  3. Nucleus
  4. Cell membrane
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