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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Plant Organ System (GCSE Biology)

The following is a GCSE Biology test covering 'Plant Organ System' from the broader topic Organisation. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is the primary source (source) in a mature, healthy plant for sugars loaded into the phloem?
What is the main function of xylem tissue in plants?
Which plant organ is adapted mainly for water and mineral uptake from the soil?
Why are capillary action and cohesion important for water transport in xylem?
What is the main function of companion cells adjacent to phloem sieve tubes?
Which plant hormone is mainly responsible for promoting cell elongation and growth in shoots, and is used by gardeners to encourage rooting?
How does an increase in light intensity usually affect the opening of stomata?
Which mineral ion is essential for making chlorophyll in plants and causes yellowing (chlorosis) if deficient?
What effect does auxin have on the shaded side of a plant shoot causing phototropism?
What will generally happen to transpiration rate when humidity around a plant decreases (air becomes drier)?
Which best describes the pressure-flow hypothesis for phloem transport?