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What is the role of Rhizobium in plant ecology?

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Question: What is the role of Rhizobium in plant ecology?

Options:

  1. Decomposing organic matter
  2. Forming symbiotic relationships with legumes
  3. Causing plant diseases
  4. Producing antibiotics

Correct Answer: Forming symbiotic relationships with legumes

Solution: 

Rhizobium bacteria form symbiotic relationships with legume roots, fixing nitrogen and improving soil fertility.

What is the role of Rhizobium in plant ecology?

Practice Questions

Q1
What is the role of Rhizobium in plant ecology?
  1. Decomposing organic matter
  2. Forming symbiotic relationships with legumes
  3. Causing plant diseases
  4. Producing antibiotics

Questions & Step-by-Step Solutions

What is the role of Rhizobium in plant ecology?
Correct Answer: Rhizobium bacteria help in fixing nitrogen in the soil.
  • Step 1: Understand that Rhizobium is a type of bacteria.
  • Step 2: Know that Rhizobium lives in the soil and can attach to the roots of certain plants, especially legumes (like beans and peas).
  • Step 3: Learn that when Rhizobium attaches to the roots, it forms a special partnership with the plant, called a symbiotic relationship.
  • Step 4: Recognize that this relationship helps the plant because Rhizobium can take nitrogen from the air and convert it into a form that plants can use.
  • Step 5: Understand that nitrogen is an important nutrient for plants, helping them grow strong and healthy.
  • Step 6: Realize that when plants grow better, they contribute to the soil's fertility, making it richer for other plants.
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