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Free download in PDF Ribosomes Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
All the following sites has ribosomes except
[A]
Chloroplast
[B]
Mitochondrion
[C]
Cytoplasm
[D]
Nucleus
(22)
80 S ribosomes occur in
[A]
Eukaryotic cells of animals and plants
[B]
Both Eukaryotic cells and prokaryotic cells
[C]
Eukaryotic cells of animals
[D]
all of these
Answer: Eukaryotic cells of animals and plants
(23)
The subunits of 80S ribosome include
[A]
20S and 60S
[B]
40S and 60S
[C]
40S and 50S
[D]
30S and 50S
(24)
The larger and smaller subunit of 70S ribosome is
[A]
20S and 50S
[B]
40S and 20S
[C]
50S and 30S
[D]
30S and 40S
(25)
Which of the following ions are required for binding of ribosomal subunits
[A]
Mn++
[B]
Fe++
[C]
Na+
[D]
Mg++
(26)
70S ribosome occur in
[A]
prokaryotes and eukaryotic plant cells
[B]
viruses
[C]
prokaryotes
[D]
All of these
(27)
Ribosomes are present in
[A]
Prokaryotes only
[B]
Eukaryotes only
[C]
Eukaryotes, prokaryotes and viruses
[D]
Eukaryotes and prokaryotes
Answer: Eukaryotes and prokaryotes
(28)
In 70S ribosomes, ‘S’ stands for
[A]
SI unit
[B]
Svedberg unit
[C]
Solubility factor
[D]
None of these
(29)
What is the proportion of rRNA and protein in prokaryotic cells?
[A]
2:1
[B]
2:2
[C]
1:1
[D]
1:2
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