Choose the correct answers:

1. Diffusion can occur in ________________ materials?
SolidLiquidGaseousAll of above

2. The most influencing factor of diffusivity?
Diffusing speciesTemperatureLattice structurePresence of defects

3. In the lemonade story, how many friends are there?
TwoThreeFourFive

4. Factors Effecting Diffusion?
TemperatureArea of interactionSize of the particleAll of above

5. What is Diffusion?
Net flow of molecules from a region of low concentration to a region of low concentrationNet flow of molecules from a region of high concentration to a region of low concentrationNet flow of molecules from a region of high concentration to a region of high concentrationNone of above

6. During the respiration, what gases are exchanged?
O2 and Co2N2 and Co2N2 and H2o2None of above

7. Which plant cell types draw water from the soil?
Phloem cellStomataRoot hair cellsNone of above

8. When does diffusion come to a halt?
Diffusion stops when the concentration of the substance is equal in both areas.Diffusion stops when the concentration of the substance is higher in both areas.Diffusion stops when the concentration of the substance is lower in one areas and higher in other.Diffusion stops when the concentration of the substance is lower in one areas.

9. What’s the cause Diffusion?
Random movementShakingStirringNone of above

10. What makes a good teacher great?
ExperienceCommunication skillsAdaptabilityEmpathy and Patience

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