Cell wall and plasma membrane MCQs

Cell Wall & Plasma Membrane – MCQs Test

1. Cell wall is:

A. Living layer

B. Non-living layer

C. Semi-permeable

D. Lipid layer

2. Cell wall is absent in:

A. Plants

B. Fungi

C. Animals

D. Algae

3. Bacterial cell wall is made of:

A. Cellulose

B. Chitin

C. Lignin

D. Peptidoglycan

4. Fungal cell wall is made of:

A. Cellulose

B. Chitin

C. Peptidoglycan

D. Lignin

5. Plant cell wall mainly consists of:

A. Cellulose

B. Chitin

C. Protein

D. Lipid

6. Middle lamella is composed of:

A. Cellulose

B. Lignin

C. Calcium & magnesium pectate

D. Protein

7. Middle lamella is formed during:

A. Interphase

B. Prophase

C. Metaphase

D. Cytokinesis

8. Primary cell wall is:

A. Thin & elastic

B. Thick & rigid

C. Dead layer

D. Lignified

9. Plasmodesmata help in:

A. Protection

B. Cell to cell communication

C. Respiration

D. Transport of water only

10. Secondary cell wall is present in:

A. Meristem

B. Parenchyma

C. Sclerenchyma

D. Phloem

11. Secondary wall is rich in:

A. Cellulose

B. Lignin

C. Protein

D. Pectin

12. Plasma membrane is:

A. Non-living

B. Rigid

C. Permeable

D. Living & selectively permeable

13. Plasma membrane is made of:

A. Protein only

B. Lipid only

C. Lipid & protein

D. Cellulose

14. Fluid mosaic model was proposed by:

A. Watson & Crick

B. Singer & Nicolson

C. Darwin

D. Mendel

15. Integral proteins are:

A. Embedded in lipid bilayer

B. Outside membrane

C. Only enzymes

D. Only receptors

16. Peripheral proteins are:

A. Inside bilayer

B. Transmembrane

C. Channel proteins

D. On surface of membrane

17. Cholesterol is mainly present in:

A. Plant membranes

B. Animal membranes

C. Bacterial membranes

D. Fungal membranes

18. Selective permeability is due to:

A. Lipids only

B. Cholesterol

C. Channel proteins

D. Cell wall

19. Passive transport requires:

A. ATP

B. No energy

C. Protein pumps

D. Vesicles

20. Active transport occurs:

A. Along gradient

B. Without energy

C. By diffusion

D. Against gradient

21. Phagocytosis is intake of:

A. Solid particles

B. Liquids

C. Ions

D. Gases

22. Pinocytosis is intake of:

A. Solids

B. Liquids

C. Gases

D. Proteins

23. Exocytosis involves:

A. Inward folding

B. Diffusion

C. Outward release

D. Osmosis

24. ATPase protein is used for:

A. Transport only

B. Receptor

C. Antigen

D. ATP synthesis

25. Glycoproteins act as:

A. Receptors

B. Lipids

C. Enzymes only

D. Cell wall

26. RH factor is an example of:

A. Lipid

B. Enzyme

C. Antigen

D. Hormone

27. Plasma membrane separates:

A. Nucleus & cytoplasm

B. Cytoplasm & environment

C. Cell wall & vacuole

D. Organelles

28. Membrane fluidity depends on:

A. Protein amount

B. Carbohydrates

C. Unsaturated fatty acids

D. Cellulose

29. Cell wall is:

A. Selectively permeable

B. Living

C. Lipid based

D. Freely permeable

30. Glycolipids help in:

A. Energy storage

B. Cell recognition

C. Protein synthesis

D. Respiration