CAIE IGCSE Biology 6.2.2 Following Structures in the Leaf Questions

Practise identifying epidermal and mesophyll tissues, stomata, guard cells, air spaces and vascular bundles, then distinguish xylem from phloem in leaf sections.

Exam points

identify palisade and spongy mesophyll from labelled leaf sections using cell position, arrangement, chloroplast presence or air spaces
locate guard cells, stomata, cuticle and upper or lower epidermis in a leaf section or surface view
distinguish xylem, phloem and vascular bundles in labelled dicot-leaf diagrams

[Maximum number: 2]

(a)

Fig. 4.1 is a photomicrograph of a cross section of part of a leaf.

Fig. 4.1

[ 2 ]

(i)

Identify the tissue labelled A in Fig. 4.1.

[ 1 ]

(ii)

Identify the structure labelled C in Fig. 4.1.

[ 1 ]

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CAIE IGCSE Biology 6.2.2 Following Structures in the Leaf Questions question 1

Question (a)

Question (i)

Question (ii)