1. What is the small bristle like structures or fibres sprouting out of the cell?
a) Flagella
b) Fimbriae
c) Pilli
d) All of these
Explanation: Fimbriae is the small bristle like structures or fibres sprouting out of the cell
2. In prokaryotes, the ribosomes are associated with which structure of cell?
a) Cell wall
b) Mesosome
c) Lysosomes
d) Plasma membrane
Explanation: Plasma membrane
3. What is the size of ribosomes?
a) 10-20 μm
b) 15-20 nm
c) 10-20 nm
d) 15-20 cm
Explanation: 15-20 nm
4. In 70S prokaryotic ribosomes, what are the sub units present in them?
a) 50S and 20S
b) 50S and 30S
c) 40S and 30S
d) 60S and 30S
Explanation: 50S and 30S
5. A polysome is a chained structure of which organelle?
a) Lysosome
b) Mesosome
c) Ribosome
d) All of these
Explanation: Ribosome
6. In polyribosome, the ribosomes attach to which RNA?
a) m-RNA
b) t-RNA
c) r-RNA
d) All of these
Explanation: m-RNA
7. In what form, the reserve material in prokaryotic cells are stored in cytoplasm?
a) Lysosome
b) Mesosome
c) Ribosome
d) Inclusion bodies
Explanation: Inclusion bodies
8. Which of the following are not inclusion bodies?
a) Phosphate granules
b) Cyanophycean granules
c) Glycogen granules
d) Glucose granules
Explanation: Glucose granules
9. Gas vacuoles are found in
a) Blue-green bacteria
b) Purple bacteria
c) Green photosynthetic bacteria
d) All of these
Explanation: All of these
10. Which of the following does not belong to eukaryote?
a) Protists
b) Bacteria
c) Fungi
d) All of these
Explanation: Bacteria