Plant Nutrition

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

Photosynthesis

Subtopic

Photosynthesis under Plant Nutrition for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Why do aquatic plants, like Elodea, produce bubbles when placed in bright light?$
A. $They are releasing carbon dioxide$
B. $They are releasing oxygen gas$
C. $They are absorbing nitrogen$
D. $The water is boiling$
2.
$Which of the following is the correct word equation for photosynthesis?$
A. $Glucose + Oxygen -> Carbon Dioxide + Water$
B. $Carbon Dioxide + Oxygen -> Glucose + Water$
C. $Carbon Dioxide + Water -> Glucose + Oxygen$
D. $Glucose + Water -> Carbon Dioxide + Oxygen$
3.
$When testing a leaf for starch, why is a water bath used to heat the ethanol?$
A. $10^{\circ}C$
B. $Because ethanol is highly flammable$
C. $To prevent the leaf from dissolving$
D. $To speed up the reaction with iodine$

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 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Why is a leaf classified as an organ in a plant?$
A. $It is made of only one type of cell$
B. $It is part of the root system$
C. $It is made of several different tissues working together$
D. $It can move from one place to another$
2.
$Which mesophyll layer is located further away from the top surface of the leaf?$
A. $Palisade mesophyll$
B. $Spongy mesophyll$
C. $Upper epidermis$
D. $Vascular bundle$
3.
$How does the waxy cuticle interact with sunlight?$
A. $It reflects all light$
B. $It absorbs all light$
C. $It allows light to pass through$
D. $It turns light into sugar$

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 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the primary function of mineral ions in plants?$
A. $To provide a source of energy$
B. $To serve as building blocks and maintain metabolic processes$
C. $To provide structural support to the cell wall only$
D. $To increase the temperature of the plant$
2.
$Mineral ions are transported around the plant in which tissue?$
A. $Xylem$
B. $Phloem$
C. $Epidermis$
D. $Cortex$
3.
$A plant with very small, pale leaves and a thin stem is likely lacking in:$
A. $Nitrogen$
B. $Magnesium$
C. $Iron$
D. $Potassium$

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