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7. Transport in plants
A section of Biology, 9700
Listing 10 of 457 questions
and are photomicrographs of sections through the leaves of two different plants. is a photomicrograph of a section through a leaf of Cornish heath, Erica vagans. C B A is a photomicrograph of a section through a leaf of Himalayan cedar, Cedrus deodara. C B A and are not shown at the same magnification. Cells labelled A, B and C in and each form a different tissue. Name each tissue formed. tissue formed from A tissue formed from B tissue formed from C Erica vagans and Cedrus deodara are xerophytic plants. With reference only to xerophytic features, describe the differences between the leaves of E. vagans and C. deodara visible in and . Transpiration is a consequence of gas exchange in leaves. Explain why the rate of transpiration is greater during the day than during the night.
9700_m19_qp_22
THEORY
2019
Paper 2, Variant 2
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Questions Discovered
457