Photosynthesis: Food-Making Process in Plants

Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :

(ii) Name the tropic movement shown by part 1. 

The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis. 

Study the same and then answer the questions that follow: 
(i) Name the factor being studied in his experiment. 
(ii) Why was the plant kept in a dark room before conducting the experiment? 
(iii}Why was the experimental leaf then kept in 
1. boiling water 2. methylated spirit? 
(iv) Name the solution used to test for the presence of starch in the leaf. 
(v) What will we observe in the experimental leaf at the end of the starch test? 
(vi) Give a balanced chemical equation to represent the process of photosynthesis. 

Name the following:

The organisms that can be called "natural purifiers" of the air.

Write the functional activity of the following structure:
Stroma

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Radiant energy is converted into chemical energy by photosynthesis.

Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:

Snake, Rabbit, Cabbage, Hawk.

Answer the following:

Mention two significant advantages of photosynthesis to the living world as a whole.

The site of light reaction in the cells of a leaf is ______.