AQA Biology Paper 1- Transport in Cells

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

Which is true about active transport? Options: requires energy, does not require energy, moves substances down the concentration gradient, moves material from high to low concentration

Back

requires energy

Front

The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...
Options: Facilitated Diffusion, Simple Diffusion, Active Transport, Osmosis

Back

Osmosis

Front

Due to the higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by...
Options: Facilitated Diffusion, Simple Diffusion, Active Transport, Osmosis

Back

Simple Diffusion

Front

The dispersal of ink in a beaker of water is an example of: osmosis, diffusion, active transport, facilitated diffusion

Back

diffusion

Front

What does it mean that a cell membrane is semipermeable?

Back

It allows some substances inside.

Front

If there is 5 percent water inside a cell and 5 percent water outside a cell, what happens to the water movement?

Back

there will be no net movement of water cells

Front

The movement of molecules against a concentration gradient. Options: simple diffusion, facilitated diffusion, active transport, osmosis

Back

active transport

Front

How do the particles move in diffusion?

Back

From a region of high concentration to a region of low concentration

Front

What happens to the concentration of oxygen in the body cells when you exercise? Options: Increase, Decrease, Remain constant

Back

Decrease