Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation