1. What is the size of a typical eukaryotic cell?
a) 1-2 μm
b) 10-20 μm
c) 10-20 mm
d) 1-2 mm
Explanation: 10-20 μm
2. How much is the size of typical bacteria?
a) 1-2 μm
b) 10-20 μm
c) 10-20 mm
d) 1-2 mm
Explanation: 1-2 μm
3. How much is the size of viruses?
a) 0.02-0.2 μm
b) 0.2-0.4 μm
c) 0.02-0.04 μm
d) None
Explanation: 0.02-0.2 μm
4. What is a genomic DNA of bacteria?
a) Circular DNA
b) Single stranded DNA
c) Both (a) and (b)
d) ds DNA, linear
Explanation: Circular DNA
5. Where is the genetic material located in prokaryotes?
a) Nucleus
b) Enveloped by nuclear membrane
c) Naked in cytoplasm
d) None of these
Explanation: Naked in cytoplasm
6. What are plasmids?
a) Naked genomic DNA
b) Smaller DNA than genomic DNA
c) Enveloped DNA
d) None of these
Explanation: Smaller DNA than genomic DNA.
7. Resistance to antibiotics is conferred by
a) Plasmid DNA
b) Chromosome
c) Both (a) and (b)
d) None of these
Explanation: Resistance to antibiotics is conferred by Plasmid DNA
8. Which is the common organelles that are found in both eukaryotes and prokaryote?
a) Lysosome
b) Ribosome
c) Vacuole
d) Mitochondria
Explanation: Ribosome
9. What is a specialized differentiated form of cell membrane?
a) Plasmid
b) Nucleosome
c) Mesosome
d) All of these
Explanation: Mesosome
10. Infoldings of cell membrane in prokaryotic is called
a) Mesosomes
b) Lysosomes
c) Both (a) and (b)
d) None of these
Explanation: Infoldings of cell membrane in prokaryotic is called Mesosomes