PrepBharat

1. What is external to cell wall in a prokaryotic cell?
a) Glycocalyx layer
b) Plasma membrane
c) Both (a) and (b)
d) None of these

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2. Select the incorrect statement:
a) Glycocalyx differs in composition and thickness among different bacteria.
b) All organism are made of cells or aggregates of cells.
c) ER helps in synthesis of proteins, lipoproteins and glycogen.
d) Cells of all living organisms have nuclues.

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3. What is external to the plasma membrane in a prokaryotic cell like bacteria?
a) Glycocalyx layer
b) Cell wall
c) Both (a) and (b)
d) None of these

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4. What is external to glycocalyx layer in prokaryotic cell like bacteria?
a) Cell wall
b) Plasma membrane
c) Both (a) and (b)
d) None of these

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5. What is external to plasma membrane and internal to glycocalyx layer?
a) Capsule
b) Cell wall
c) Cellular matrix
d) None of these

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6. What is the basis of classification of bacteria’s into gram +ve or gram -ve?
a) Cell wall
b) Glycocalyx layer
c) Plasma membrane
d) All of these

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7. A bacterial cell was taken and gram staining was done and observed that it did not take up gram stain such a bacteria is known as
a) Gram positive
b) Gram negative
c) Non-effective to gram stain
d) None of these

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8. Which of the following statement is not true?
a) Response to gram stain is due to the cell envelop.
b) The cell envelope act as a single protective unit.
c) The glycocalyx layer is similar in all the bacteria.
d) None of these

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9. A loose sheath of glycocalyx layer is called
a) Plasma membrane
b) Capsule
c) Slime layer
d) Cell wall

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10. What is a thick, tough, layer of glycocalyx known as?
a) Slime layer
b) Capsule
c) Cell wall
d) Cell envelope

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