Kingdom Prokaryotae includes single-celled organisms without a nucleus, such as bacteria and archaea. These microorganisms play key roles in ecosystems, from nutrient cycling to disease.
MCQs OF Biology 1st year Chapter 6
Greater pathogenicity to bacteria and protection against phagocytosis is provided by: Slime
The major locomotory structures in bacteria are: Flagella
Which one of following class of bacteria has the smallest size: Mycoplasma
When flagella surround the whole cell, the condition is called: Peritrichous
Bacterial membrane differs from eukaryotic membrane in: Lacking sterol i.e. cholesterol
Which of the following is not found in all bacteria is: Flygella
Mesosomes are internal extensions of the: Cell membrane
Which of the following is present in both gram-positive and gram-negative cell walls: Peptidoglycan
Bacterial endospores function in: Survival
Germ theory of disease was formulated by: Robert Koch
Plasmid is: Drug resistant having disease and insect resistant gene
One of the following has flagella rarely: Cocci
Conjugation is facilitated by: Pili
Bacterial membrane also contain enzyme for: Respiration
Which of the following is a primary bacterial cell wall function: Support
Gram negaive cell wall has: More lipids and less protein
Important : Review all previous years’ 11 Class Past Papers for comprehensive practice and better exam preparation.