NEET Biology: Biotechnology Principles and Processes — Practice Set 6

Q1. Which of the following statements about restriction enzymes is incorrect?

A. Restriction enzymes recognize specific DNA sequences.
B. All restriction enzymes cut DNA randomly.
C. Some restriction enzymes produce sticky ends.
D. Restriction enzymes are derived from bacteria.

Q2. What is the function of restriction enzymes in bacteria?

A. To replicate DNA
B. To protect against viral infections
C. To facilitate protein synthesis
D. To help in nutrient absorption

Q3. Which of the following statements about transformation is correct?

A. Transformation is the uptake of foreign DNA by bacterial cells.
B. Transformation requires viral infection.
C. Transformation cannot occur naturally.
D. Transformation does not involve recombinant DNA technology.

Q4. Which of the following is an advantage of recombinant DNA technology?

A. Production of genetically modified crops
B. Increase in fossil fuel consumption
C. Degradation of natural enzymes
D. Prevention of DNA replication

Q5. Which of the following is NOT a feature of a good cloning vector?

A. Selectable marker
B. Multiple cloning sites
C. Lack of origin of replication
D. Ability to replicate independently

Q6. Which of the following statements about cloning vectors is incorrect?

A. Cloning vectors contain an origin of replication.
B. Cloning vectors must have selectable markers.
C. Cloning vectors cannot replicate inside a host cell.
D. Plasmids and bacteriophages are common cloning vectors.

Q7. Which of the following is NOT a component of a cloning vector?

A. Origin of replication
B. Selectable marker
C. Promoter region
D. Ribosome

Q8. Which of the following statements about DNA ligase is correct?

A. DNA ligase joins DNA fragments by forming hydrogen bonds.
B. DNA ligase is not involved in recombinant DNA technology.
C. DNA ligase is responsible for sealing gaps in the sugar-phosphate backbone.
D. DNA ligase cuts DNA at specific recognition sites.

Q9. Which of the following is NOT an application of recombinant DNA technology?

A. Gene therapy
B. Production of insulin
C. Fermentation of alcohol
D. Development of genetically modified crops

Q10. Which of the following statements about gel electrophoresis is correct?

A. Gel electrophoresis separates DNA fragments based on charge.
B. Smaller DNA fragments migrate faster through the gel than larger fragments.
C. Gel electrophoresis does not require an electric field.
D. All DNA fragments migrate at the same speed.

Biology — Biotechnology Principles and Processes

Set 6 of 20

15:00

0/10 answered

Sign in to save your score and view detailed explanations

1Question 1 of 10

Medium

Which of the following statements about restriction enzymes is incorrect?

TopperSquare

Sign in to save progress, see explanations, and track analytics.

Questions

Answered

Flagged

Visited

Not visited

All Sets

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20