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Transport in Plants

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Xylem and phloem

Subtopic

Xylem and phloem under Transport in Plants for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which substance is deposited in the cell walls of xylem vessels to provide structural support and prevent the tubes from collapsing under low pressure?

    A.

    Cellulose

    B.

    Chitin

    C.

    Pectin

    D.

    Lignin

  2. 2.

    The diagram shows the general pathway of transport in a plant. Identify Tissue A and Tissue B based on the substances they carry.

    A.

    Tissue A: Xylem; Tissue B: Phloem

    B.

    Tissue A: Phloem; Tissue B: Xylem

    C.

    Tissue A: Mesophyll; Tissue B: Epidermis

    D.

    Tissue A: Cortex; Tissue B: Endodermis

  3. 3.

    In which direction(s) do substances typically move within the phloem tissue?

    A.

    Only from the roots to the leaves

    B.

    Only from the leaves to the roots

    C.

    From source regions to sink regions

    D.

    From the soil to the atmosphere

Download the worksheet for Transport in Plants - Xylem and phloem to practice offline. It includes additional chapter-level practice questions.

Water uptake and transpiration

Subtopic

Water uptake and transpiration under Transport in Plants for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In which part of the plant does the majority of water loss through transpiration occur?

    A.

    Root hairs

    B.

    Flower petals

    C.

    Stems

    D.

    Leaves

  2. 2.

    Which change in environmental conditions would lead to a decrease in the rate of transpiration?

    A.

    An increase in light intensity

    B.

    An increase in wind speed

    C.

    An increase in humidity

    D.

    An increase in temperature

  3. 3.

    Through which tissue is water transported upwards from the roots to the rest of the plant?

    A.

    Phloem

    B.

    Xylem

    C.

    Cortex

    D.

    Endodermis

Download the worksheet for Transport in Plants - Water uptake and transpiration to practice offline. It includes additional chapter-level practice questions.

Translocation

Subtopic

Translocation under Transport in Plants for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In what form are carbohydrates primarily transported through the phloem during translocation?

    A.

    Glucose

    B.

    Starch

    C.

    Glycogen

    D.

    Sucrose

  2. 2.

    Based on the diagram showing the movement of substances in a plant, which statement correctly identifies labels A and C?

    A.

    A is the source and C is the sink

    B.

    A is the sink and C is the source

    C.

    B is the source and A is the sink

    D.

    C is the source and B is the sink

  3. 3.

    Which plant organ is most likely to act as a 'source' during the peak of the growing season?

    A.

    A developing flower bud

    B.

    A mature, photosynthesizing leaf

    C.

    A growing root tip

    D.

    A ripening fruit

Download the worksheet for Transport in Plants - Translocation to practice offline. It includes additional chapter-level practice questions.

Transport in Plants - Grade 11 Biology (IGCSE) | Krit.club