N5 Unit 2 KA5 HW

The diagram shows some of the structures involved in transport in plants. Which row in the table identifies structures J and K, and the substances transported by them?

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An increase in which of the following factors would decrease the rate of transpiration in plants?

• Wind Speed

• Humidity

• Surface Area

• Temperature

Which row in the table describes features of phloem?

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Which of the following shows the passage of water through the tissues when it enters a plant?

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Transpiration occurs from the leaves of a plant. Which environmental conditions would produce the greatest transpiration rate?

• Warm and still air

• Cold and still air

• Warm and Windy

• Cold and Windy

The graph below shows the rate of water gain and water loss by a plant during a 24-hour period. Calculate the number of hours during which the water loss was greater than 5g per minute.

The graph below shows the rate of water gain and water loss by a plant during a 24-hour period. Identify the three-hour period during which the greatest increase in the rate of water gain took place.

The graph below shows the rate of water gain and water loss by a plant during a 24-hour period. Identify the time in the morning that the rate of water gain equal the rate of water loss?

The diagram represents a section through a leaf. Name tissue W

The diagram represents a section through a leaf. The cells in tissue W have a greater number of chloroplasts than other leaf cells. Suggest the advantage of these cells being located near the upper surface of the leaf