MCQS of Biology 1st Year Chapter 6

Mesosomes are internal extensions of the

Cell wall

Capsule

Cell membrane

Chromatin body

Which of the following is not found in all bacteria is

Flygella

A nucleoid

Cell membrane

None of these

Bacterial membrane differs from eukaryotic membrane in

Lacking polysaccharides

Lacking sterol i.e. cholesterol

Lacking protein

Lacking lipids

When flagella surround the whole cell, the condition is called

Peritrichous

Amphitrichous

Atrichous

None of above

Which one of following class of bacteria has the smallest size

Mycoplasma

Straptococci

Bacillus subtilis

E-coli

The major locomotory structures in bacteria are

None of these

Both a and b

Pili

Flagella

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

Mesosomes

Cell wall

Capsule

Slime