Question 2 2.1 Requirements: sunlight,  chlorophyll, carbon dioxide 


Products: glucose,  oxygen 


(3) (2)


2.2 Test a prepared leaf with iodine solution  which stains starch blue-black.  (2) 2.3 Boil the leaf to soften it,  put it in alcohol to extract the chlorophyll.  (2) [9]


Question 3 3.1 Tree 


3.2 Wind  3.5 Temperature,  soil, air, water (any 1)


Question 4 4.1 False 


4.2 False  4.3 True  4.4 True 


Question 5


From the top of pyramid: Toadstools,  decomposer 


Hawk,  secondary consumer (carnivore)  Mouse,  primary consumer (herbivore)  Berries,  producer 


Question 6 6.1 Two thick, fleshy leaves  that store a lot of water. 


Question 7 7.1 molecule 


7.2 atom 


7.3 nucleus  7.4 protons 


142


(2) (2) (2)


(2) [8]


(2)


6.2 The plant is camouflaged  to look like the stones it grows among.  (2) [4]


(1) (1) (1) (1)


(1) (1)


3.3 The tree has grown away from the direction of the wind and it is bent.  (1) 3.4 Grass 


(1)


(1) [5]


(1) (1) (1)


(1) [4]


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