Practice Companion Cells (9.1.2.2.2) - Plant Biology - IB 12 Biology
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Companion Cells

Practice - Companion Cells

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What do companion cells assist in transporting?

💡 Hint: Think about what is carried in phloem.

Question 2 Easy

Do companion cells have nuclei?

💡 Hint: Recall the difference between companion cells and sieve tube elements.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of companion cells?

Transport water
Assist sieve tube elements
Store nutrients

💡 Hint: Think about what role these cells play alongside sieve tubes.

Question 2

True or False: Sieve tube elements contain nuclei.

True
False

💡 Hint: Recall the differences between these cell types.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze how a blockage in phloem could arise from improper functioning of companion cells and the resultant effects on a plant's physiological processes.

💡 Hint: Consider what happens when nutrients cannot be transported effectively.

Challenge 2 Hard

Propose a hypothetical scenario where companion cells are artificially enhanced and predict how this might impact plant growth.

💡 Hint: Think about how quicker nutrient availability affects growth rates.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.