Practice A2.1 Origins of Cells (HL Only) - 4 | Theme A: Unity and Diversity | IB MYP Grade 11 Biology
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4 - A2.1 Origins of Cells (HL Only)

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What were the primary components of Earth's early atmosphere?

💡 Hint: Think about the gases necessary for early chemical reactions.

Question 2

Easy

Who conducted the experiment demonstrating amino acid synthesis?

💡 Hint: Remember the names associated with the famous 'Miller model'.

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

Which atmosphere component was absent on early Earth?

  • Oxygen
  • Carbon Dioxide
  • Nitrogen

💡 Hint: Consider what life forms required oxygen for survival.

Question 2

The Miller-Urey experiment simulated conditions of the early Earth to demonstrate the formation of what?

💡 Hint: Think about what structures make up proteins.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe how hydrothermal vents could potentially lead to the origin of life, considering environmental conditions and chemical reactions.

💡 Hint: Consider the unique conditions of hydrothermal vents - their heat and rich mineral content.

Question 2

Critically evaluate the role of RNA in the context of early life's evolution, comparing it briefly with DNA.

💡 Hint: Reflect on the stability of DNA versus the versatility of RNA in early conditions.

Challenge and get performance evaluation