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Mesosomes are the part of
a. Plasma membrane
b. ER
c. Lysosomes
d. Golgi Bodies
Ans: a -
All prokaryotes are surrounded by a cell wall except
a. Mycoplasms
b. Spirochetes
c. Actinomycetes
d. Methanogena
Ans: a -
Enzyme hydrolyzing bacterial cell wall
a. Lysozome
b. Reductase
c. Protease
d. Lysozyme
Ans: d -
The nucleus controls protein synthesis in the cytoplasm by sending
a. Chromatin
b. A DNA template
c. mRNA molecule
d. A specialized protein
Ans: c -
Autolysis is done by
a. Mitochondria
b. Lysosomes
c. Golgi bodies
d. Peroxisomes
Ans: b -
Histones are found in
a. Prokaryotes
b. Eukaryotes
c. Viruses
d. None of these
Ans: b -
Mesosomes are
a. Kind of ribosomes
b. Formed during cell lysis
c. A part of cell wall
d. Principal sites of respiratory enzymes
Ans: d -
The characteristic shape of the bacteria is maintained because of
a. Capsule
b. Cell wall
c. Cell membrane
d. Slime layer
Ans: b -
Bacterial capsule is chemically composed of
a. Polypeptide
b. Polynucleotides
c. Polysaccharides
d. Polypeptides or polysaccharides
Ans: d -
Organelles with hydrolytic enzymes are
a. Mitochondria
b. Golgi complex
c. Lysosomes
d. Ribosomes
Ans: c -
To enter or leave a cell, substances must pass through
a. A microtubule
b. The Golgi apparatus
c. A ribosome
d. The plasma membrane
Ans: d -
70S ribosomes are not found in
a. Prokaryotes
b. Mitochondria
c. Chloroplast
d. Nucleus
Ans: d -
Cell sap is found in
a. Cytosol
b. Nucleus
c. Vacuole
d. All of above
Ans: c -
Plant cell differ from animal cell in having
a. Cell wall
b. Golgi bodies
c. Ribosomes
d. Cytoskeleton
Ans: a -
Well-defined nucleus is found in
a. Bacteria
b. Prokaryotes
c. Cyanobacteria
d. Eukaryotes
Ans: d -
Double-stranded circular DNA molecules are found in
a. Mitochondria
b. Prokaryotes
c. Chloroplast
d. All of above
Ans: d -
Which of the following does not contain DNA?
a. Nucleus
b. Mitochondria
c. Chloroplast
d. None of the above
Ans: d -
Eukaryotic cells have ribosomes
a. 70S
b. 90S
c. 80S
d. 60S
Ans: c -
Rough endoplasmic reticulum is associated with
a. Silica
b. Calcium
c. Ribosomes
d. Mitochondria
Ans: c -
Robert Hooke used the term cell in the year
a. 1650
b. 1665
c. 1865
d. 1960
Ans: b
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