Explore topic-wise MCQs in Molecular Biology.

This section includes 5 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.

The first miRNA was identified in C. elegans named __________

A. Lin-2
B. RISC
C. Lin-4
D. DICER
Answer» D. DICER
2.

The miRNAs are transcribed from non-protein encoding genes and are typically __________ nucleotides long.

A. 10 15
B. 12 15
C. 18 20
D. 20 25
Answer» E.
3.

Which of the following RNAs can induce gene silencing?

A. miRNA
B. snoRNA
C. ssRNA
D. ncRNA
Answer» B. snoRNA
4.

Binding of siRNA to the DNA does not lead to __________

A. Chromatin remodeling
B. Promoter unavailability
C. Transcriptional inhibition
D. Triple helix formation
Answer» E.
5.

The RNAi mediated gene silencing includes the binding of siRNA to form a complex with the target gene called RISC.

A. True
B. False
Answer» C.