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Plant Nutrition

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

Photosynthesis

Subtopic

Photosynthesis under Plant Nutrition for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The diagram shows a cross-section of a typical leaf. In which labeled part does the majority of photosynthesis occur?

    A.

    Layer A

    B.

    Layer B

    C.

    Layer C

    D.

    Layer D

  2. 2.

    Which two substances are the raw materials required by a plant for photosynthesis?

    A.

    Glucose and Oxygen

    B.

    Carbon dioxide and Water

    C.

    Oxygen and Water

    D.

    Carbon dioxide and Glucose

  3. 3.

    What is the primary role of chlorophyll in the process of photosynthesis?

    A.

    To trap light energy and convert it into chemical energy

    B.

    To absorb carbon dioxide from the atmosphere

    C.

    To reflect green light to cool the leaf down

    D.

    To break down glucose molecules for respiration

Download the worksheet for Plant Nutrition - Photosynthesis to practice offline. It includes additional chapter-level practice questions.

Leaf structure

Subtopic

Leaf structure under Plant Nutrition for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The following diagram represents the pathway of carbon dioxide into a leaf. Which label represents the entry point regulated by guard cells?

    A.

    Atmosphere (A)

    B.

    Stoma (B)

    C.

    Air Spaces (C)

    D.

    Mesophyll Cells (D)

  2. 2.

    Which part of the leaf is a non-cellular, waxy layer that reduces water loss by evaporation?

    A.

    Waxy cuticle

    B.

    Lower epidermis

    C.

    Spongy mesophyll

    D.

    Phloem

  3. 3.

    Which tissue layer in the leaf contains the highest concentration of chloroplasts per cell?

    A.

    Spongy mesophyll

    B.

    Upper epidermis

    C.

    Palisade mesophyll

    D.

    Vascular bundle

Download the worksheet for Plant Nutrition - Leaf structure to practice offline. It includes additional chapter-level practice questions.

Mineral requirements

Subtopic

Mineral requirements under Plant Nutrition for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the primary symptom of magnesium deficiency in a plant?

    A.

    The stem becomes brittle and breaks easily

    B.

    The roots grow excessively long and thin

    C.

    The entire plant wilts even when watered

    D.

    The leaves turn yellow between the veins

  2. 2.

    A student notices that a plant has very small leaves and a significantly shorter stem than expected. Which mineral deficiency is most likely causing this stunted growth?

    A.

    Magnesium

    B.

    Nitrate

    C.

    Carbon dioxide

    D.

    Iron

  3. 3.

    Plants require nitrate ions (NO3NO_{3}^{-}) primarily to produce which of the following biological molecules?

    A.

    Amino acids

    B.

    Glucose

    C.

    Lipids

    D.

    Cellulose

Download the worksheet for Plant Nutrition - Mineral requirements to practice offline. It includes additional chapter-level practice questions.

Plant Nutrition - IGCSE Grade 11 Biology Notes & Revision | Krit.club