Entry Test MCQ :: The Cell
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1. |
Who coined the term CELL? |
A. |
Schwann |
B. |
Schleiden |
C. |
Robert Hook |
D. |
Both a and b |
Answer: Option C
Explanation:
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2. |
Who opposed the idea the cell is an empty space bounded by thick wall? |
A. |
Lorenz Oken |
B. |
Schwann |
C. |
Robert Brown |
D. |
Rudolph Virchow |
Answer: Option C
Explanation:
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3. |
Who first observed and thus hypothesized that new cells are formed from previously existing living cell? |
A. |
Theodor Schwann and Schleiden |
B. |
Rudolph Virchows |
C. |
Louis Pasteur |
D. |
Both b and c |
Answer: Option B
Explanation:
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4. |
Resolution power of a compound microscope is |
Answer: Option A
Explanation:
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5. |
Magnifying power of electron microscope as compared to eye is |
Answer: Option B
Explanation:
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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 |
Answer: Option D
Explanation:
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7. |
Percentage of proteins in cell membrane is |
A. |
20-40% |
B. |
40-50% |
C. |
60-80% |
D. |
80-100% |
Answer: Option C
Explanation:
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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. |
Answer: Option C
Explanation:
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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 |
Answer: Option B
Explanation:
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10. |
The first layer of cell wall which is formed is: |
A. |
Primary wall |
B. |
Secondary wall |
C. |
Middle lamella |
D. |
All of these |
Answer: Option A
Explanation:
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