Biology: PLANT BIOLOGY (AHL) Topical Past Paper Questions
IB Diploma Programme Biology past-paper questions on PLANT BIOLOGY (AHL), free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The micrograph shows cells from the leaf of a hellebore plant (Helleborus sp.), an angiospermophyte. 20 µm 3) (i) Identify the type of cell labelled X in the micrograph. (ii) Calculate the length of cell Y between the marker lines. [1] (b)(c) State one feature of a hellebore plan…
In ecological communities, there are many different relationships between populations. (a) Describe how populations in communities rely on each other for supplies of energy. [7] (b) Explain how plant cells originated by endosymbiosis. [5] (c) Analyse the relationship between plan…
The diagram shows a nephron from a mammal. (a) Identify: (b) State the region of the kidney in which the loop of Henle is situated. [1] (c) Explain the role of the hormone ADH in osmoregulation. [2] (d) Outline two adaptations for water conservation in leaves of desert plants. [2…
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Full PLANT BIOLOGY (AHL) question set, mark schemes and AI worksheets
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