Ribosomes MCQs | Ribosomes Multiple Choice Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 Which is expressed by S unit?
A Sub-unit coefficient
B Statistical coefficient
C Standard coefficient
D Sedimentation coefficient

Answer: Sedimentation coefficient
2 Ribosome are made up of: -
A RNA and protein
B Protein and lipid
C DNA and protein
D DNA and RNA

Answer: RNA and protein
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 Where the rRNA are formd?
A In cytoplasm
B In mitochondria
C In Cell wall
D In nucleus

Answer: In nucleus
4 Name the antibiotic which inhibits protein synthesis in eukaryotes?
A Cycloheximide
B Chlorophenicol
C Penicillin
D Cinhonine

Answer: Cycloheximide
5 Name the site where secreted protein synthesized?
A Chloroplast ribosome
B Mitochondrial ribosome
C Membrane free ribosome
D ER membrane bound ribosomes

Answer: ER membrane bound ribosomes
6 Which of the following statement is defines polysomes?
A Attachment of many ribosomes to common mRNA
B Lysosomal aggregation
C Attachment of many mRNA to ribosomes
D Multiple units of ribosomes

Answer: Attachment of many ribosomes to common mRNA
7 Which of the following transport involves translocation of the protein from cytosol to the nucleus?
A Gated transport
B Non-gated transport
C Transmembrane transport
D Vesicular transport

Answer: Gated transport
8 Which of the following Scientist discovered ribosome for the first time?
A Antonie van Leeuwenhoek
B Theodor Schwann
C George Emil Palade
D None of these

Answer: George Emil Palade
9 Which of the following is not a sorting signal present of protein?
A Amino acid sequence
B Carbohydrate sequence
C Signal patch
D Signal peptide

Answer: Carbohydrate sequence
10 What is the sedimentation coefficient of mitochondrial ribosome of humans?
A 55S
B 80S
C 70S
D None of these

Answer: 55S
11 Which of the following statements are true
A Ribosomes are double membrane bound organelles
B Ribosomal components are coded by DNA
C Ribosomes are deoxyribonucleoproteins
D Ribosomes are self-replicating organelles

Answer: Ribosomal components are coded by DNA
12 The rRNA subunits of 70S ribosome are
A 23S and 5S in larger 50S ribosomal subunit and 16S rRNA in smaller 30S ribosomal subunit
B 28S and 5S in larger 50S ribosomal subunit and 16S rRNA in smaller 30S ribosomal subunit
C 23S in larger 50S ribosomal subunit and 16S and 5S rRNA in smaller 30S ribosomal subunit
D 23S and 5S in larger 50S ribosomal subunit and 16S rRNA and 5S in smaller 30S ribosomal subunit

Answer: 23S and 5S in larger 50S ribosomal subunit and 16S rRNA in smaller 30S ribosomal subunit
13 Which of the following organelle lack ribosomes
A Nucleus
B Chloroplast
C Mitochondrion
D RER

Answer: Nucleus
14 Protein Synthesis By Eukaryotic Ribosomes Is Inhibited By
A Cycloheximide
B Cinchonine
C Chloramphenicol
D None of these

Answer: Cycloheximide
15 Chloramphenicol inhibits
A Animal Ribosomes
B Plant Ribosomes
C Both A And B
D Bacterial Ribosomes

Answer: Bacterial Ribosomes
16 Ribosomes are made up of
A RNA, DNA and proteins
B Nucleic acids, proteins and lipids
C RNA only
D RNA and proteins

Answer: RNA and proteins
17 Polysomes are
A Attachment Of Many Ribosomes To A Common Mrna
B Lysosomal Aggregations
C Multiple Units Of Ribosomes
D Attachment Of Many Mrna To A Common Ribosomes

Answer: Attachment Of Many Ribosomes To A Common Mrna
18 Genetic information stored in mRNA is translated to polypeptide by ___________
A Nucleus
B Golgi apparatus
C Endoplasmic reticulum
D Ribosome

Answer: Ribosome
19 Which of the following ribosomal RNA does not take part in rDNA organization of E.coli?
A 5.8S RNA
B 16S RNA
C 5S RNA
D 23S RNA

Answer: 5.8S RNA
20 In where the monosomes are found?
A In prokaryotic cells
B In eukaryotic cells
C In mitochondria
D In RNA

Answer: In prokaryotic cells

Random GK Questions

Q. Mediterranean type of climate is characterized by :
Q. Which of the following elements is non-radioactive ?
Q. What is the principal ore of aluminium?
Q. Directive Principles of State Policy in the Indian Constitution were taken from the Constitution of
Q. In the history of the freedom movement of India, the year 1930 is associated with:
Q. A stretch of land surrounded by water on all sides is known as
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series