CELL MCQ

CELL

MCQ 

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■ CELL MCQ ■ 

 1. The term cell was given by --

a) Robert Hooke

b) Tatum

c) Schwann

d) De Bary

2. The cell is not applied for --

a) Algae

b) Bacteria

c) Virus

d) Fungi

3. The membrane around the vacuole is known as --

a) Tonoplast

b) Elaioplast

c) Cytoplast

d) Amyloplast

4. Microfilaments are composed of a protein called --

a) Tubulin

b) Actin

c) Myosin

d) Chitin

5. A plant cell wall is mainly composed of --

a) Protein

b) Cellulose

c) Lipid

d) Starch

6. Glycolipids in the plasma membrane are located at --

a) Inner leaflet of the plasma membrane

b) The outer leaflet of the plasma membrane

c) Evenly distributed in the inner and outer leaflets

d) It varies according to cell types

7. Lysosomes are known as “suicidal bags” because --

a) Parasitic activity

b) Presence of food vacuole

c) Hydrolytic activity

d) Catalytic activity

8. The properties of integral membrane proteins can be studied by --

a) Atomic force microscopy

b) Cryo-sectioning and electron microscopy

c) Freeze-fracture technique and electron microscopy

d) All of the above

9. The fluidity of the plasma membrane

a) Increase in unsaturated fatty acids in the membrane

b) Increase in saturated fatty acids in the membrane

c) Increase in glycolipid content in the membrane

d) Increase in phospholipid content in the membrane

10. Which among the following defines GPI anchored proteins?

a. Integral proteins of the plasma membrane

b. Peripheral proteins of the plasma membrane

c. Proteins that bind to ion-gated channels in the plasma membrane

d. Proteins which randomly bind to lipids of the plasma membrane