Cell Biology MCQs with Answers 5

Master “The Cell Structure” chapter with 20 targeted Cell Biology MCQs covering organelles, cell membranes, ribosomes, and prokaryotes. Perfect for self-assessment and exam prep. Let us start with the Online Cell Biology MCQS now:

 

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#1. Bacterial cells are prokaryotic in comparison to a typical eukaryotic cell; they would

Have a smaller nucleus

Lack a plasma membrane

Have a grater verity of organelles

Be smaller

#2. The term “Nuclear envelope” is more correct than the term “necluear membranes” because

The enclose is made up of two membranes

The chemical composition is inconsistent with cellular membrance

None of these

The encolsure has pores which membranes do not

#3. The correct statement about the Golgi complex is

Inner concave surface is forming face

OUter convex surface is maturing face

Inner convex surface is forming face

Outer convex surface is forming face

#4. Lysosomes are cytoplasmic organelles and are different from others due to their

Pathology

Morphology

Histology

Physiology

#5. A cell has mitochondria, ribosomes, smooth and rough ER, and other parts. Based on this information, it could not be

Actually, it could be any of these

A yeast cell

A cell from a pine tree

A bacterium

#6. The ribosomes are attached to mRNA through ————- ribosomal subunit.

Large

Small

None of these

Both Large and Small

#7. The complex of sugar polymers and proteins which are patchily distributed on the plasma membrane of animal cells is called

Cellulose

Chitin

Glyocalyx

Cytoskeleton

#8. Which of the following statements is wrong?

fungi have mitochondria

Mitochondria ribosome's resemble more to eukaryotic ribosome

Mitochondria hanve DNA and ribosome

mitochondria are self-replicating organelles

#9. The approximate diameter of peroxisomes is

0.5 $mu m$

0.05 $mu m$

5 $mu m$

0.005 $mu m$

#10. Smooth endoplasm reticulum helps to

Decompose proteins

Synthesis

Detoxify the harmful drugs

Prepare food

#11. Which is present in both prokaryotic and Eukaryotic cells?

Golgi Apparatus

Nucleus

Ribosomes

Mitochondria

#12. The unit that specifies the sedimentation rate of a specific particle or molecule in a medium during ultracentrifugation is

Svedberg

Micormeter

Kcal/ mole

Joule

#13. Which one of the following is not considered a part of the endomembrane system

Vacuole

Lysosome

Golgi complex

Peroxisome

#14. The cisternae break up into vesicles from the

Froming face

Outer face

Convex face

Maturing face

#15. Polysomes are formed by ————-

Robosomes attached to each other in a linear arrangement

Many ribosomes attache to a strand of endoplasmic reticulum

A ribosome with several subunits

Several ribosomes attached to a single mRNA

#16. Eukaryotic ribosomes are composed of an almost equal amount of —————— and proteins

DNA

Carbohydrates

RNA

Lipids

#17. The protoplasm of a plant cell is

Equal in viscosity to the animal cell

Less viscous than animal cell

More viscous than animals

None of these

#18. Oxidative metabolism is carried out —————– of mitochondria.

In the inter membrane space

On the surface on the inner membrane

In the matrix

In the side of the outer membrane

#19. Plant and animal cells both have ———-

Cell membrane and cell wall

Cell membrane and nucleolus

Nucleolus and Chloroplast

Nucleus and cell wall

#20. Which of the following is not characteristic of prokaryotic?

Cell Wall

Cell Membrane

DNA

Endoplasmic Reticulum

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Cell Biology MCQs with Answers

1. The unit that specifies the sedimentation rate of a specific particle or molecule in a medium during ultracentrifugation is
2. Plant and animal cells both have ———-
3. Polysomes are formed by ————-
4. Lysosomes are cytoplasmic organelles and are different from others due to their
5. The approximate diameter of peroxisomes is
6. Which one of the following is not considered a part of the endomembrane system
7. Oxidative metabolism is carried out —————– of mitochondria.
8. The complex of sugar polymers and proteins which are patchily distributed on the plasma membrane of animal cells is called
9. Which of the following statements is wrong?
10. The protoplasm of a plant cell is
11. Which of the following is not characteristic of prokaryotic?
12. The term “nuclear envelope” is more correct than the term “nuclear membranes” because
13. Smooth endoplasmic reticulum helps to
14. The ribosomes are attached to mRNA through ————- ribosomal subunit.
15. Which is present in both prokaryotic and Eukaryotic cells?
16. The correct statement about the Golgi complex is
17. The cisternae break up into vesicles from the
18. Bacterial cells are prokaryotic in comparison to a typical eukaryotic cell; they would
19. A cell has mitochondria, ribosomes, smooth and rough ER, and other parts. Based on this information, it could not be
20. Eukaryotic ribosomes are composed of an almost equal amount of —————— and proteins

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