The Cell Structure and functions Mcqs

This Set of Multiple choice questions and answers focuses on study of The Cell Structure and functions. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on The Cell Structure and functions comprehensively.

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2.
Who opposed the idea the cell is an empty space bounded by thick wall?

Lorenz Oken

Schwann

Robert Brown

Rudolph Virchow

3.
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?

Theodor Schwann and Schleiden

Rudolph Virchows

Louis Pasteur

Both b and c

6.
In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:

Their physical properties like size & weight.

Physical properties of the medium like its density.

Their electrical properties like their charges

Both a and b

8.
Which of the statement about cell membrane is not true?

It contains protein molecules embedded in lipid bilayer

It is a differentially permeable membrane.

It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.

It may get infolded to engulf solid or liquid material.

9.
Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called

Active transport

Passive transport

Co-transport

Counter transport

10.
The first layer of cell wall which is formed is:

Primary wall

Secondary wall

Middle lamella

All of these

11.
Cellulose is the major component of

Primary wall

Secondary wall

Middle lamella

All of the above

12.
Strengthening material of prokaryotic cell wall is

Cellulose

Chitin

Inorganic salts silica waxes and ligin

Peptidoglycan or Murein.

13.
Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called

Cytosol

Cisternae

Polysomes

Cristae

14.
Whone is not the function of endoplasmic reticulum?

Nerve impulse conduction

Transport of material

Mechanical support

Synthesis of conjugated molecules

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