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MYP Biology Osmosis Questionbank

Question

In terms of molecular concentration, why does water move towards a solution with a high solute concentration during osmosis?

A

The membrane attracts solute particles more than water molecules

B

High solute concentration corresponds to a high water concentration

C

High solute concentration corresponds to a low water concentration

D

Solute particles push the water molecules across the membrane

Question

The cell membrane is described as a 'passive' sieve during osmosis. What does the term 'passive' specifically imply in this context?

True or False: In a hypertonic solution, the plant cell membrane pulls away from the cell wall in a process called plasmolysis.

True or False: Osmosis is the movement of water molecules only, so proteins and glucose do not pass through the membrane during osmosis regardless of their size.

What is the fundamental cause of a plant wilting when it experiences severe dehydration?

Practice MYP MYP Biology Topic Osmosis with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Osmosis and mirrors Paper 1, 2 style where relevant.

Get instant solutions, detailed explanations, and build confidence with questions aligned to MYP examiner expectations.

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