This set of Agricultural Biotechnology Multiple Choice Questions & Answers (MCQs) focuses on “Bacteriophage Vectors for E.Coli”.
1. Who discovered bacteriophages?
a) Frederick William Twort
b) Van Leeuwenhoek
c) Dmitry Ivanovsky
d) Carl Linnaeus
View Answer
Explanation: In 1915 English bacteriologist Fredrick William Twort of the University of London discovered bacteriophages.
2. The viruses that infect bacteria are called Bacteriophages.
a) True
b) False
View Answer
Explanation: Bacteriophage also known as a phage is a virus that infects and replicates within bacteria.
3. What are the main components of bacteriophage?
a) Carbohydrates and Lipids
b) Proteins and Lipids
c) Nucleic acids and Proteins
d) Proteins and Carbohydrates
View Answer
Explanation: The bacteriophage carry DNA or RNA .The bases that make up genetic material of bacteriophage are slightly different from the genetic material that of the host bacteria.
4. Which of the following is replication cycle of bacteriophage?
a) Lytic cycle
b) Lysogenic cycle
c) Both a and b
d) None of the above
View Answer
Explanation: Bacteriophages may have a lytic or lysogenic cycles, and a few viruses are capable of carrying out both.
5. What are the correct stages of lytic cycle?
a) Penetration, attachment, synthesis, assembly, release
b) Penetration, synthesis, assembly, release
c) Attachment, penetration, synthesis, assembly, release
d) Attachment, penetration, synthesis, release
View Answer
Explanation: The lytic cycle results in the destruction of the infected cells and its membranes and release of new virus.
Sanfoundry Global Education & Learning Series – Agricultural Biotechnology
To practice all areas of Agricultural Biotechnology, here is complete set of 1000+ Multiple Choice Questions and Answers.
If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]
