A. Cytosol
B. Cisternae
C. Polysomes
D. Cristae
Show AnswerAnswer = Option B
The Cell
12. Strengthening material of prokaryotic cell wall is
A. Cellulose
B. Chitin
C. Inorganic salts silica waxes and ligin
D. Peptidoglycan or Murein.
Show AnswerAnswer = Option D
11. Cellulose is the major component of
A. Primary wall
B. Secondary wall
C. Middle lamella
D. all of the above
Show AnswerAnswer = Option A
10. The first layer of cell wall which is formed is:
A. Primary wall
B. Secondary wall
C. Middle lamella
D. All of these
Show AnswerAnswer = Option A
9. Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called
A. Active transport
B. Passive transport
C. Co-transport
D. Counter transport
Show AnswerAnswer = Option B
8. Which of the statement about cell membrane is not true?
A. It contains protein molecules embedded in lipid bilayer
B. It is a differentially permeable membrane.
C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
D. It may get infolded to engulf solid or liquid material.
Show AnswerAnswer = Option C
7. Percentage of proteins in cell membrane is
A. 20-40%
B. 40-50%
C. 60-80%
D. 80-100%
Show AnswerAnswer = Option C
6. In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:
A. Their physical properties like size & weight.
B. Physical properties of the medium like its density.
C. Their electrical properties like their charges
D. Both a and b
Show AnswerAnswer = Option D
5. Magnifying power of electron microscope as compared to eye is
A. 500 X
B. 250000X
C. 500000X
D. 250X
Show AnswerAnswer = Option B
4. Resolution power of a compound microscope is
A. 2.0 ?m
B. 2-4 A
C. 24 ?m
D. 24 A
Show AnswerAnswer = Option A