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Molecular Markers MCQ Questions

  • Molecular Markers MCQ Questions can help students evaluate their knowledge of concepts in Biotechnology. Answers are also given to help you remember. Try our MCQ on Molecular Markers to see if you can get all the answers right for the questions below.

Molecular Markers MCQ Questions

  • A molecule included within a sample taken from an organism (biological markers) or other substance is referred to as a molecular marker. It can be used to reveal information about the source in question.

1. The function of β subunit of polymerase is

a. Template binding

b. Catalytic binding

c. Promoter binding

d. Cation binding

2. Molecular markers include




d. All of these

3. Molecular markers are used to construct

a. Chromosome maps

b. Cytogenetic maps

c. Physical maps

d. All of these

4. How many RNA polymerases are present in a bacterial system?

a. 4

b. 2

c. 1

d. 3

5. RFLP is used to

a. Construct high resolution linkage maps

b. Identify single gene diseases

c. Construct QTL maps

d. All of these

6. RFLP involves

a. Used to identify a specific protein

b. Used to identify a specific DNA

c. Used to identify a specific RNA

d. Used to identify both DNA and RNA

7. Locations of quantitative genes on chromosomes are called

a. Qualitative trait loci

b. Quantitative trait loci

c. Both a and b

d. None of these

8. RAPD is a?

a. DNA sequencing-based method

b. Restriction digestion-based method

c. PCR based method

d. All of these

9. The set of DNAs generated by using random primers in a PCR reaction is called?




d. In situ hybridization

10. All the statements are true regarding RFLP and RAPD except

a. RAPD is a quick method compared to RFLP

b. RFLP is more reliable than RAPD

c. Species specific primers are required for RAPD

d. Radioactive probes are not required in RAPD

11. DNA of eukaryotics has several repeating units of short sequences called

a. Random repeats

b. Tandem repeats

c. Mini satellites

d. All of these

12. Variation in number of tandem repeats between two or more individuals is called

a. Variable number of tandem repeats (VNTRs)

b. Restriction Fragment Length Polymorphism (RFLP)

c. Simple sequence repeats (SSRs)

d. Amplified Fragment Length Polymorphism (AFLP)

13. Simple sequence repeats are

a. 1-6 bp long sequences distributed along the chromosome

b. Also called as micro satellites

c. Individual specific in number and position

d. All of these

14. AFLP is a

a. PCR based method

b. Method to detect polymorphism in the DNA throughout the genome

c. Method that detects the presence or absence of a fragment

d. All of these

15. The variant fragment that distinguish one individual from another one is called?

a. Variant fragment

b. Marking fragment

c. Differing fragment

d. All of these

Answer Key

MCQ on molecular markers

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