Explore topic-wise MCQs in Molecular Biology.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

DNA always carries the genetic information for all organisms.

A. True
B. False
Answer» C.
Discussion
2.

Plasmids are ____________

A. Double stranded DNA
B. Circular double stranded DNA
C. Linear double stranded DNA
D. Supercoiled circular double stranded DNA
Answer» C. Linear double stranded DNA
Discussion
3.

According to Mendel s experiments gene carry genetic information from parents to offspring s. On which plant did he perform his experiments?

A. Oryza sativa
B. Pisum sativam
C. Allium cepa
D. Vitis vinifera
Answer» C. Allium cepa
Discussion
4.

Recently, scientists have developed a procedure in which protoplasts of E. coli could be directly infected with the phage DNA. This process is termed as_________

A. Transformation
B. Transduction
C. Transfection
D. Mutation
Answer» D. Mutation
Discussion
5.

What combination of radiolabelling is correct in case of Hershey and Chase s demonstration of DNA as genetic material in T2 bacteriophage?

A. 31P, 35S
B. 31P, 32S
C. 31P, 14C
D. 31P, 12C
Answer» B. 31P, 32S
Discussion
6.

Fredrick Griffith s experiment involving Streptococcus pneumonia lead to the discovery of____________

A. DNA as genetic material
B. RNA as genetic material
C. Protein as genetic material
D. Transforming principle
Answer» E.
Discussion
7.

Which of the following statement is false about DNA?

A. Located in chromosomes
B. Carries genetic information from parent to offspring
C. Abundantly found in cytoplasm
D. There is a precise correlation between the amount of DNA and number of sets of chromosome per cell
Answer» D. There is a precise correlation between the amount of DNA and number of sets of chromosome per cell
Discussion