Podcast
Questions and Answers
Which process is responsible for the wilting of a plant when its cells lose turgor?
Which process is responsible for the wilting of a plant when its cells lose turgor?
- Osmosis (correct)
- Photosynthesis
- Fermentation
- Respiration
What happens to microorganisms when high sugar concentration is applied in food preservation?
What happens to microorganisms when high sugar concentration is applied in food preservation?
- They die (correct)
- They become dormant
- They mutate
- They multiply rapidly
How does salting fish and beef preserve them?
How does salting fish and beef preserve them?
- By adding flavor
- By killing microorganisms (correct)
- By preventing oxidation
- By enhancing texture
What is the purpose of tying knots at the ends of the visking tubing in the osmosis experiment?
What is the purpose of tying knots at the ends of the visking tubing in the osmosis experiment?
What is the control in the osmosis experiment using visking tubing?
What is the control in the osmosis experiment using visking tubing?
What happens to the mass of the visking tubing containing concentrated sucrose solution after being suspended in distilled water?
What happens to the mass of the visking tubing containing concentrated sucrose solution after being suspended in distilled water?
What is the purpose of replicating the osmosis experiment or cross-referencing results with other groups?
What is the purpose of replicating the osmosis experiment or cross-referencing results with other groups?
What does the increase in turgidity of the visking tubing containing concentrated glucose solution demonstrate?
What does the increase in turgidity of the visking tubing containing concentrated glucose solution demonstrate?
Which of the following is true about diffusion?
Which of the following is true about diffusion?
Which process involves the movement of water molecules from a region of higher water concentration to a region of lower water concentration?
Which process involves the movement of water molecules from a region of higher water concentration to a region of lower water concentration?
Which substances can freely pass through selectively permeable membranes?
Which substances can freely pass through selectively permeable membranes?
What is the pressure exerted by the cytoplasm and vacuole against the cell wall of a plant called?
What is the pressure exerted by the cytoplasm and vacuole against the cell wall of a plant called?
Which of the following examples demonstrates diffusion?
Which of the following examples demonstrates diffusion?
Which factor does NOT affect the rate of diffusion?
Which factor does NOT affect the rate of diffusion?
When is a plant cell considered turgid?
When is a plant cell considered turgid?
