G11 Old Ch 8 (Quiz 1)

In living organisms, water serves as a universal ________.

• Catalyst
• Solvent
• Reactant
• Insulator

Which process involves the breakdown of complex substances into simpler ones using water?

• Osmosis
• Photosynthesis
• Diffusion
• Hydrolysis

Water's high specific heat allows it to absorb a lot of heat without much change in temperature, making it an effective ________.

• Insulator
• Catalyst
• Reactant
• Coolant

What force makes aquatic organisms require less strong skeletons compared to land organisms?

• Turgor pressure
• Gravity
• Archimedes force
• Surface tension

Water acts as a lubricant in the synovial fluid found in ________.

• Muscles
• Joints
• Blood vessels
• Guts

Diffusion is the movement of molecules in gases and liquids that tends to result in ________ distribution throughout the space they are confined to.

• Uneven
• Random
• Selective
• Uniform

Osmosis is a special type of diffusion where water diffuses through a semipermeable membrane from a ________ solution to a ________ solution.

• Stronger, weaker
• Weaker, stronger
• Concentrated, dilute
• Dilute, concentrated

In osmosis, if a semipermeable membrane separates a weak salt solution and a strong salt solution, which molecules can diffuse through the membrane?

• Salt molecules
• Water molecules
• Both salt and water molecules
• Neither salt nor water molecules

What causes the rise of water in a thistle funnel when it is immersed in a beaker of water containing a strong sugar solution?

• Diffusion
• Transpiration
• Osmosis
• Evaporation

The passage of water through a semipermeable membrane into a sugar solution is an example of what process?

• Translocation
• Diffusion
• Osmosis
• Transpiration