Cell Structure and function – Online MCQs Test – Biology MCAT

1. F1 particles / oxysome / elementary particles are present in

Mitochondria

Endoclasmic reticulum

Chloroplast

Golgi complex

2. The word cytoplasm means:

Living fluid of the cell

Living matter of the cell

Living substance of the cell

Living gel of the cell

3. Resolution means:

How much size of an object have

How much an object become larger with microscope

How much its two points are apart

How much light an eye or microscope

4. Most of the water in turgid plant cells occurs chiefly

In the nucleus

In the cell wall

In the vacuoles

In the cytoplasm

5. Which of the following is the correct pair?

Aerobic respiration — cristae

DNA synthesis — Ribosomes

Protein synthesis — Smooth E.R

Suicidal — Dictyosomes

6. Which of the following involves growing living cells?

Freeze fracture

Tissue culture

Cell fractionation

Freeze-etching

7. Cytoplasm of one cell is connected with other through

Apoplas

Plasmodesmata

Pit membrane

Cytoplasmic strands

8. The correct order of sedimentation of sub-cellular structure during differential centrifugal ion is

Nucleus → Mitochondria → Lysosome → Ribosome

Lysosome → Ribosome → Mitochondna → Nucleus

Mitochondria → Nucleus → Lvsosome → Ribosome

Lysosome → Mitochondria → Nucleus →Ribosome

9. Plasma membrane is differentially permeable or selectively permeable membrane because:

None of the above.

It allows some molecules to pass through

It allows every molecule to pass through

It never allows any molecule to pass through

10. Which process requires energy?

Facilitated diffusion of calcium through a channel

Water flowing into a paramecium in a lake

A contractile vacuole removing water from an amoeba

Passive diffusion

11. GoIgi body originated from

Lysosome

Mitochondria

Endoplasmic reticulum

Cell membrane

12. Cell organelles can be separated by

X-ray diffraction

Spectrophotometry

Differential centrifugation

Autoradiography

13. Microtubules

From the cleavage furrow in a dividing cell

Are hollow tubes that make up cilia and flagella

Are made of actin and help support the shape of a cell

Enable an amoeba to sand out a pseudopod

14. Lysosome along with the food content is called

Cytosome

Primary lysosome

Secondary lysosome

Residual bodies

15. All of the following are correct about plant cells EXCEPT

Lysosomes contain hydrolytic enzymes for intracellular digestion

They may have secondary cell walls in addition to primary cell walls

They store pigments in chromoplasts

They usually contain one large vacuole

16. Which one of the following pairs is not correctly matched?

Grana — Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids

Cristae — The “Shelves” formed by the folding of the inner membrane of the Mitochondrion

Middle lamella — Layer between adjacent cell walls in plants derived from cell plate

Plasmodesmata — the membrane surrounding the vacuole in plants

17. Which of the following is not the function of lysosomes?

Pnagocytosis

Degeneration of cells

Endocytosis

Autophag

18. Every living cell has a

Food vacuole

Cell wall

Membrane

Chloroplast

19. The function of nucleolus is to store

m-RNA

t-RNI

DNA

r-RNA

20. In plant cells, the number of golgi bodies increases during

Cell division

Food synthesis

Translocation

Respiration

Cell Structure and function-Medical College Admission Test Preparation Notes