1) What important process happens in the leaf? a) Fertilisation b) Photosynthesis c) Perspiration 2) What is the purpose of photosynthesis? a) To help the plant breathe b) To make new plants c) To make food for the plant 3) Which gas is needed for photosynthesis? a) Carbon dioxide b) Oxygen c) Nitrogen d) Hydrogen 4) Where does a plant get carbon dioxide from? a) Soil b) Rain c) Air d) Insects 5) What liquid is needed for photosynthesis? a) Juice b) Honey c) Milk d) Water 6) Where does a plant get its water from? a) Air b) Soil c) Animals 7) What is the sugar made in photosynthesis? a) Mannose b) Lactose c) Glucose d) Ribose 8) What happens to the glucose that is made? a) It is transported to other parts of the plant b) Nothing c) The leaf eats it d) Animals steal it 9) What gas is produced during photosynthesis? a) Hydrogen b) Nitrogen c) Carbon dioxide d) Oxygen 10) What happens to the oxygen that is used during photosynthesis? a) It stays in the leaf b) It leaves the leaf and is released into the air c) It is destroyed 11) Which letter represents an air space? a) A b) B c) C d) D e) E f) F 12) Which letter represents the upper epidermis? a) A b) B c) C d) D e) E f) E 13) Which letter represents the lower epidermis? a) A b) B c) C d) D e) E f) F 14) Which letter represents the spongy mesophyll layer? a) A b) B c) C d) D e) E f) F 15) Which letter represents the palisade mesophyll layer? a) A b) B c) C d) D e) E f) F 16) Which letter represents a guard cell? a) C b) D c) E d) F e) G f) H 17) Which letter(s) represent a waxy cuticle? a) A only b) G only c) A and G d) B e) F 18) Which layer(s) protect the leaf from damage? a) B only b) F only c) B and F d) D 19) Which layer contains large air spaces? a) B b) C c) D d) F 20) Which part(s) are transparent? a) A only b) G only c) A and G d) C 21) In which layer are the cells packed with chloroplasts? a) B b) C c) C d) F 22) In which layer does majority of photosynthesis happen? a) B b) C c) D d) F 23) In which layer are there tiny holes called stomata? a) B b) C c) D d) E e) F f) G 24) Which part is responsible for opening and closing the stomata (tiny holes) a) A b) B c) C d) F e) G f) H 25) Why do leaves have a waxy cuticle? a) To allow sunlight to pass through and reduce water loss b) It looks pretty c) No reason

Leaf structure

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