Plasma Membrane Mcqs

The cell membrane or plasma membrane is generally found existing in all cells, which distinguishes the inside of the cell from its exterior. In plant and bacterial cells, the cell wall is found fastened to the plasma membrane on its exterior surface. This membrane regulates the transportation of particles which enter and exit the cell, and comprises a lipid bilayer which is naturally semipermeable.

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1. The function of the plasma membrane is not this

(a) Energy Transduction

(b) Intercellular Interactions

(c) Responding to External Stimuli

(d) Assisting in Chromosome Segregation

Which of the following is a type of loop?

  • a) if
  • b) for
  • c) while
  • d) all of the above

Answer: (d) All of the above

2. Carbohydrates in the Plasma Membrane

(a) Always faces outwards, towards the extracellular space.

(b) Directed to all sides in the membrane randomly

(c) Always faces towards the lumen of cells

(d) Always faces inward to the nonpolar portion of the membrane.

The sky is blue.

Answer: (a) The sky is blue.

Glycolipids are usually situated in the plasma membrane.

The predictability of (a) varies depending on the cell types.

(b) Inner Leaflet of the Plasma Membrane

(c) The Outer Leaflet of the Plasma Membrane

(d) Evenly distributed in both outer and inner leaflets of the plasma membrane

Which of the following is an example of a programming language?

Answer: (c) Python

4. The major interaction responsible for stabilizing the plasma membrane is hydrophobic interactions.

Hydrophobic Interactions

(b) Hydrophilic Interactions

(c) Covalent Bonds

(d) Ionic Bonds

Q. What is the capital of Canada?

Answer: (a) The capital of Canada is Ottawa.

The lipid molecules in the plasma membrane are arranged in a bilayer structure.

Head Parallel

(b) Alternate

(c) Scattered

(d) Series

What is the capital of France?

Answer: (a) The capital of France is Paris.

Ion carriers are located in the cell membrane.

(a) Plasma Membranes

(b) Cell Wall

(c) Nucleus

(d) Cellular Space

The cat is on the mat.

Answer: (a) The cat is situated on the mat.

The most effective way to study the properties of integral membrane proteins in the plasma membrane is through experimentation.

Atomic Force Microscopy

(b) Freeze-Fracture Analysis and Electron Microscopy

(c) Cryo-sectioning and Electron Microscopy

(d) All of the Above

Which of the following is true?

  • (a) Cats have three legs
  • (b) Cats have four legs

Answer: (b)

The cell wall is present nearest to the plasma membrane in the plant cell.

Tonoplast

(b) Middle Lamella

(c) Secondary Wall

(d) Primary Wall

Which of the following is the correct answer?

  • a) Wrong
  • b) Incorrect
  • c) Correct

Answer: c) Correct

Beetroot, when stored in cold water, does not release anthocyanin due to the plasma membrane.

(a) Dead

(b) Differentially Permeable

(c) Permeable to Anthocyanins

(d) Impermeable to Anthocyanins

Which of the following is an example of a web application?

Answer: (d) Online shopping store

The plasma membrane is composed of a phospholipid bilayer.

A protein, a lipid, and a cellulose layer

(b) A bilayer of lipids surrounded by protein layers

(c) A protein layer sandwiched between two lipid layers

(d) A lipid layer sandwiched between two protein layers

What is the answer to question (a)?

Answer: (b)

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