Practice Nitrogen cycle - 2.7 | 2. MICROORGANISMS: FRIEND AND FOE | CBSE 8 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is nitrogen fixation?

💡 Hint: Think about how plants can access nitrogen.

Question 2

Easy

Name one process in the nitrogen cycle.

💡 Hint: What steps contribute to the cycle?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the role of Rhizobium in the nitrogen cycle?

  • Converts nitrates to nitrogen gas
  • Fixes nitrogen into ammonia
  • Absorbs nitrates from soil

💡 Hint: Think about what nitrogen-fixing bacteria do.

Question 2

Is denitrification the process that returns nitrogen gas to the atmosphere?

  • True
  • False

💡 Hint: Remember how nitrogen goes back into the atmosphere.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Evaluate how excessive use of nitrogen fertilizers might disrupt the nitrogen cycle.

💡 Hint: Consider the impact on both soil health and water quality.

Question 2

Propose a method to enhance nitrogen fixation in agricultural practices.

💡 Hint: Think about the symbiotic relationship between plants and nitrogen-fixing bacteria.

Challenge and get performance evaluation