Waec Model Questions Vol1 2019 Biology Question 5

Practice essay / theory question 5 from the 2019 Waec Model Questions Vol1 Biology examination. This question covers transport, plant physiology .

Waec Model Questions Vol1 2019 Biology Essay / Theory

Topics: transport plant physiology

Question 5 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

Waec Model Questions Vol1 2019 Biology Question 5 diagram

The labelled diagram shows a transverse section of a dicot leaf highlighting the main tissues involved in the transport of water and photosynthates.

Question Parts

( a )

Identify each structure labelled in the diagram.

( b )

Explain, using the diagram, the pathway that water follows from the xylem to the site of evaporation in the leaf.

( c )

Describe how the photosynthates produced in the mesophyll are transported to other parts of the plant.

( d )

Discuss two environmental factors that can increase the rate of transpiration in this leaf and explain how they affect the process.

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About This Question

This is Waec Model Questions Vol1 2019 Biology Question 5. It is one of the essay questions from the 2019 Waec Model Questions Vol1 Biology examination.

The question covers transport, plant physiology .

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