NTR-300 WATER Practice Questions

Emma is conducting an experiment in her chemistry class. She observes that certain ions are attracted to the positive electrode. What are these ions called?

• Ions that carry a positive charge

• Ions that carry a negative charge

• Neutral particles

• Molecules that dissolve in water

James forgot to water his plant for several days. What happens to the plant's cells if they contain too little water?

• They will swell

• They will shrink and die

• They will become more active

• They will divide

What is the function of water in the body related to temperature?

• It acts as a lubricant

• It helps in digestion

• It has a high heat capacity

• It transports nutrients

James is trying to stay healthy and wants to know how much water he should drink per day. How much water is recommended per day for women?

• 2.7 liters

• 3.7 liters

• 3.0 liters

• 4.0 liters

Abigail is planning a picnic and wants to pack foods that contain the most water to keep everyone hydrated. Of the foods listed below, which one should she choose?

• Fruits and vegetables

• Grain products

• Cereals

• Butter

What is the function of water in relation to body temperature?

• Resistance to temperature change

• Increase in temperature

• Decrease in temperature

• No effect on temperature

What is the role of aldosterone in the body?

• Increases blood sugar levels

• Stimulates the kidneys to retain sodium

• Decreases blood pressure

• Increases heart rate

Abigail is hiking in a desert where water sources are scarce. What is the function of her kidneys when her water intake is low?

• Excrete more water

• Conserve water

• Increase blood pressure

• Decrease blood pressure

What is the effect of aldosterone on the kidneys?

• Increases potassium excretion

• Stimulates sodium retention

• Decreases calcium absorption

• Increases glucose levels

Maya is planning a picnic and is considering whether to bring bottled water or use tap water. What is a common reason people choose bottled water over tap water?

• It is cheaper than tap water

• It is more environmentally friendly

• It is perceived as safer and more convenient

• It contains more vitamins