Which of the Following Is NOT Correct Regarding Rhizobia

question 55

Multiple Choice

Which of the following is NOT correct regarding rhizobia?

• A) Rhizobium, Bradyrhizobium, and Synorhizobium are among the genera comprising rhizobia.
• B) They may live freely in soil, but they prefer to establish symbioses with specific legumes.
• C) They form nodules in the roots to favor anaerobiosis and consequently nitrogen fixation.
• D) They provide the host with leghemoglobins, which help the plant hosts combat pathogens.
• E) Each species colonizes a particular host range for infection.

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Definitions:

Attention-Deficit/Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention and/or hyperactivity-impulsivity that interfere with functioning or development.

Behavioral Therapies

Psychotherapeutic approaches that focus on identifying the reinforcements and punishments contributing to a person’s maladaptive behaviors and on changing specific behaviors.

Pervasive Developmental Disorders

Disorders characterized by severe and persisting impairment in several areas of development.

Autism Spectrum Disorder

A developmental disorder characterized by challenges in social interaction, communication, and by restricted and repetitive behavior.