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2.8. Plant Tissues, Organs and Organ Systems GCSE Biology AQA Flashcards | StudBud
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2.8. Plant Tissues, Organs and Organ Systems GCSE Biology AQA
2.8. Plant Tissues, Organs and Organ Systems GCSE Biology AQA
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2.8. Plant Tissues, Organs and Organ Systems GCSE Biology AQA
Flashcards
13 cards
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Practice quiz
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Questions
13
Answers
1
What is the primary function of the waxy cuticle on a leaf?
Supports the leaf structure
Absorbs sunlight
Gas exchange
Prevents water loss
2
Water moves into and across the root by osmosis.
True
False
3
Which leaf structure is responsible for regulating the size of stomata?
Xylem
Spongy mesophyll
Guard cells
Lower epidermis
4
The palisade mesophyll layer in a leaf is where photosynthesis primarily occurs.
False
True
5
Which structure in a leaf allows carbon dioxide to diffuse into the leaf for photosynthesis?
Upper epidermis
Guard cells
Stomata
Waxy cuticle
6
Phloem transports sugars from the leaf to other parts of the plant.
True
False
7
The waxy cuticle on a leaf prevents water loss.
True
False
8
Phloem transports water and mineral ions to the leaf from the soil.
False
True
9
Where are stomata mainly located on a leaf?
Lower epidermis
Palisade mesophyll
Spongy mesophyll
Upper epidermis
10
What is the main function of the lower epidermis in a leaf?
Water absorption
Protection against pathogens
Gas exchange
Prevention of pathogen entry
11
What is the main function of the palisade mesophyll layer in a leaf?
Gas exchange
Water storage
Protection against pathogens
Photosynthesis
12
Which plant tissue transports water and mineral ions from the roots to the leaf?
Xylem
Epidermis
Stomata
Phloem
13
What is the function of the spongy mesophyll layer in a leaf?
Protects against pathogens.
Facilitates gaseous exchange.
Absorbs water and minerals.
Main site for photosynthesis.
