Class 11 · Cell: The Unit of Life

Tonoplast & Vacuolar Ion Transport — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

In plants, the tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole, hence their concentration is significantly higher in the vacuole than in the cytoplasm.

NCERT Biology · Class 11 · Chapter 8 · Paragraph 53
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

A unicellular Amoeba uses its contractile vacuole to regulate water, while a multicellular plant cell depends on the tonoplast. Which unified principle of biology explains this?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: A Similar function of osmoregulation with structural diversity

Both Amoeba and plants regulate osmosis through specialised vacuoles, though structurally different. Illustrates unity of life principle.

❓ Frequently Asked Questions
What does NCERT say about plants tonoplast facilitates transport?
In plants, the tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole, hence their concentration is significantly higher in the vacuole than in the cytoplasm.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Cell: The Unit of Life, Class 11 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Cell: The Unit of Life
📘Practice all 40 NEET PYQs from Cell: The Unit of Life