Use the diagram below to answer questions 6(a)(i) to (v)

 

(a) (i) Identify the instrument in the diagram. [ 1 mark]
 (ii) Name the parts labelled I to IV. [2 marks]
(iii) What is the instrument used for? [1 mark]
(iv) State the function of the part labelled III. [1 mark]
(v) Where is this instrument used? [2 marks]
           
(b) Use the diagram below to answer questions (i) to (vi).    
(i) What is the name given to the illustration in the diagram? [1mark]
(ii) Name the organisms labelled I to X and put the arrow heads in the appropriate directions. [10 marks]
(iii) Which of the organisms are responsible for trapping solar energy? [2 marks]
(iv) Which of the labelled organisms is likely to be the most numerous? [1mark]
(v) Which of the labelled organisms are likely to be the least in number? [2 marks]
(vi) What will be the outcome if more of the organism labelled VII is introduced?
           
(c) Complete the table below:

Part of Plant	Unilateral Stimulus	Response
Stem		Positively Phototrophic
Root	Light
Stem	Gravity
Root	Gravity
Root	Water