taxonomia bacteriana

Question 1

What is bacterial taxonomy?

Answer 1

The science of classifying and naming bacteria.

Question 2

True or False: Bacteria are classified only based on their morphology.

Answer 2

False

Question 3

What are the three main domains of life?

Answer 3

Bacteria, Archaea, and Eukarya.

Question 4

Fill in the blank: The two major groups of bacteria are __________ and __________.

Answer 4

Gram-positive and Gram-negative.

Question 5

What is the primary method used to classify bacteria?

Answer 5

The phylogenetic tree based on genetic sequencing.

Question 6

Which technique is commonly used for bacterial identification?

Answer 6

Gram staining.

Question 7

What is the significance of the Gram stain in bacterial taxonomy?

Answer 7

It differentiates bacteria into two groups based on cell wall composition.

Question 8

True or False: All bacteria are pathogenic.

Answer 8

False

Question 9

What are the two main types of bacterial cell walls?

Answer 9

Thick peptidoglycan layer in Gram-positive and thin peptidoglycan layer in Gram-negative.

Question 10

What is the role of 16S rRNA in bacterial taxonomy?

Answer 10

It is used for phylogenetic analysis and classification of bacteria.

Question 11

Multiple choice: Which of the following is NOT a method of bacterial classification? A) Morphological B) Physiological C) Psychological

Answer 11

C) Psychological

Question 12

What is a bacterial species defined by?

Answer 12

A group of bacteria that share common characteristics and can reproduce together.

Question 13

Fill in the blank: The term __________ refers to the study of the evolutionary relationships among biological entities.

Answer 13

Phylogenetics

Question 14

What is the purpose of a dichotomous key in taxonomy?

Answer 14

To assist in identifying organisms based on a series of choices.

Question 15

True or False: Bacteria can only be classified using morphological characteristics.

Answer 15

False

Question 16

What are the two main approaches to bacterial classification?

Answer 16

Phenotypic and genotypic classification.

Question 17

What does the term ‘phylogenetic tree’ represent?

Answer 17

A diagram that shows the evolutionary relationships among various biological species.

Question 18

Multiple choice: Which characteristic is NOT used to classify bacteria? A) Shape B) Color C) Genetic makeup

Answer 18

B) Color

Question 19

What is the significance of endospores in bacterial classification?

Answer 19

They indicate the ability of bacteria to survive in extreme conditions.

Question 20

Fill in the blank: __________ are bacteria that require oxygen for growth.

Answer 20

Aerobic bacteria

Question 21

What is the role of biochemical tests in bacterial taxonomy?

Answer 21

They help identify bacteria based on their metabolic capabilities.

Question 22

True or False: All bacteria can be cultured in a laboratory.

Answer 22

False

Question 23

What is the purpose of using molecular techniques in bacterial taxonomy?

Answer 23

To provide more accurate classifications based on genetic information.

Question 24

What do the terms ‘cocci’ and ‘bacilli’ refer to?

Answer 24

Shapes of bacteria; cocci are spherical and bacilli are rod-shaped.

Question 25

Multiple choice: Which of the following is a characteristic of Gram-negative bacteria? A) Thick peptidoglycan layer B) Outer membrane C) No cell wall

Answer 25

B) Outer membrane

Question 26

What role do plasmids play in bacterial taxonomy?

Answer 26

They can carry genes that confer resistance and are used in genetic studies.

Question 27

Fill in the blank: Bacteria that do not require oxygen are known as __________.

Answer 27

Anaerobic bacteria

Question 28

What is the difference between autotrophic and heterotrophic bacteria?

Answer 28

Autotrophic bacteria produce their own food, while heterotrophic bacteria obtain food by consuming other organisms.

Question 29

True or False: Taxonomy is static and does not change over time.

Answer 29

False

Question 30

What is the significance of the International Code of Nomenclature for Bacteria?

Answer 30

It provides rules for naming bacterial species.

Question 31

Multiple choice: Which of the following is a common method for bacterial classification? A) DNA sequencing B) Astrology C) Philosophy

Answer 31

A) DNA sequencing

Question 32

What is the role of whole-genome sequencing in bacterial taxonomy?

Answer 32

It allows for detailed analysis of genetic relationships and classifications.

Question 33

Fill in the blank: The classification of bacteria can affect __________ and __________.

Answer 33

Diagnosis and treatment of bacterial infections.

Question 34

What is a type strain in bacterial taxonomy?

Answer 34

A reference strain that is used to define a species.

Question 35

True or False: All bacteria are unicellular organisms.

Answer 35

True

Question 36

What is the significance of serotyping in bacterial classification?

Answer 36

It identifies bacteria based on their surface antigens.

Question 37

Multiple choice: What is the primary focus of bacterial taxonomy? A) Understanding human behavior B) Classifying organisms C) Studying plant life

Answer 37

B) Classifying organisms

Question 38

What does the term 'bioinformatics' refer to in bacterial taxonomy?

Answer 38

The application of computational tools to analyze biological data.