What Is the Right Sequence of Steps During Infection of Plants

question 1

Multiple Choice

What is the right sequence of steps during infection of plants by nitrogen-fixing bacteria?

• A)Rhizobia release Nod factors;roots release flavonoids;rhizobia proliferate inside of root hair;infection thread grows into the root cortex;nodule forms.
• B)Rhizobia release flavonoids;roots release Nod factors;rhizobia proliferate inside of root hair;infection thread grows into the root cortex;nodule forms.
• C)Roots release flavonoids;rhizobia release Nod factors;rhizobia proliferate inside of root hair;nodule forms;infection thread grows into the root cortex.
• D)Roots release flavonoids;rhizobia release Nod factors;rhizobia proliferate inside of root hair;infection thread grows into the root cortex;nodule forms.
• E)Roots release Nod factors;rhizobia release flavonoids;rhizobia proliferate inside of root hair;nodule forms;infection thread grows into the root cortex.

---

Definitions:

Improvisation

The act of creating or performing something spontaneously or without preparation.

Spontaneous

Occurring without external cause, force, or planning; arising naturally or impulsively.

Imaginative

Characterized by the ability to think of new and original ideas or concepts beyond conventional patterns.

Improvisation

The act of creating or performing something spontaneously without prior preparation.