Practice Pakistan's most useful MCQs for competitive exams

Flagella originate from_______________?

• (A)  Cell membrane
• (B)  Cell wall
• (C)  Capsule
• (D)  Basal body

Answer

Submitted By :Ali Uppal

A bacterium with tuft of flagella at both poles is called_____________?

• (A)  Lophotrichus
• (B)  Monotrichous
• (C)  Peritrichous
• (D)  Amphitrichous

Answer

Submitted By :Ali Uppal

Which of the following bacteria do not have flagella commonly__________?

• (A)  Cocci
• (B)  Bacilli
• (C)  Streptobacilli
• (D)  Vibrio

Answer

Submitted By :Ali Uppal

Which of the following contains genes for drug and disease resistance in bacteria?

• (A)  Necleotide
• (B)  Plasmid
• (C)  Mesosome
• (D)  Ribosome

Answer

Submitted By :Ali Uppal

The common waste material in bacteria is____________?

• (A)  Glycogen
• (B)  Lactic acid
• (C)  Ammonia
• (D)  Urea

Answer

Submitted By :Ali Uppal

Example of bacteria requiring low concentration of oxygen is__________?

• (A)  Campylobactor
• (B)  spirocheta
• (C)  E-coli
• (D)  Pseudomonas

Answer

Submitted By :Ali Uppal

Purple non-sulphur bacteria is an example of___________?

• (A)  Heterotrophic bacteria
• (B)  Chemosynthetic bacteria
• (C)  Photosynthetic bacteria
• (D)  Saprotrophic bacteria

Answer

Submitted By :Ali Uppal

Those bacteria which are fully dependent upon their host for nutrition are called__________?

• (A)  Heterotrophic bacteria
• (B)  Chemosynthetic bacteria
• (C)  Saprophytic bacteria
• (D)  Parasitic bacteria

Answer

Submitted By :Ali Uppal

Nitrifying bacteria are the examples of___________?

• (A)  Hetrotrophic bacteria
• (B)  Chemosynthetic bacteria
• (C)  Saprophytic bacteria
• (D)  Parasitic bacteria

Answer

Submitted By :Ali Uppal

E. coli and example of____________?

• (A)  Aerobic bacteria
• (B)  Anaerobic bacteria
• (C)  Facultative bacteria
• (D)  Microaerophilic

Answer

Submitted By :Ali Uppal