Explore topic-wise MCQs in Cell Biology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Ribonuclease P is involve in the processing of ___________________

A. sno RNA
B. rRNA
C. pre-tRNA
D. pre-mRNA
Answer» D. pre-mRNA
Discussion
2.

Transfer RNAs (tRNA) are transcribed by _________________

A. are transcribed by _________________a) pre-RNA
B. rDNA
C. tDNA
D. siRNA
Answer» D. siRNA
Discussion
3.

Which among the following have the largest number of tRNA genes?

A. humans
B. bacteria
C. yeast
D. fruit flies
Answer» B. bacteria
Discussion
4.

5S rRNA is present only in eukaryotes.

A. True
B. False
Answer» C.
Discussion
5.

The processing of pre-rRNA is done using __________

A. nucleolus
B. mRNA
C. snoRNA
D. siRNA
Answer» D. siRNA
Discussion
6.

Which of the following is a pre-rRNA?

A. 5S
B. 5.8S
C. 45S
D. 18S
Answer» D. 18S
Discussion
7.

How many post-translational modifications occur in the pre-rRNA (primary transcript)?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
8.

How many types of distinct ribosomal RNAs are present in eukaryotic ribosomes?

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
9.

Nontranscribed spacer is not transcribed.

A. True
B. False
Answer» B. False
Discussion
10.

Which of the following are ideal subjects for the study of rRNA synthesis and processing?

A. spermatocytes
B. mitochondria
C. oocytes
D. amphibians
Answer» D. amphibians
Discussion
11.

Aggregated clusters of rDNA in a cell are called _______________

A. nucleoli
B. chromatin
C. chromosome
D. ribosome
Answer» B. chromatin
Discussion
12.

The human genome consists of _____ rDNA.

A. 2
B. 4
C. 5
D. 7
Answer» B. 4
Discussion
13.

In a mammalian cell, which is the most abundant type of RNA?

A. rRNA
B. mRNA
C. siRNA
D. tRNA
Answer» B. mRNA
Discussion