He did not boil the leaf in spirit to remove the chlorophyll.
Question
Boojho wanted to test the presence of starch in leaves. He performed the following steps. (i) He took a leaf and boiled it in water. (ii) He placed the leaf in a petri dish and poured some iodine over it. He did not get the expected result. Which step did he miss? Explain.
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💡 Some Related Questions
Observe the picture of an activity given below carried out with leaves of plants and polythene bag. 
Now answer the following: (i) Which process is demonstrated in the activity? (ii) When will this activity show better results—on a bright sunny day or a cloudy day?(iii) What will you observe in the polythene bag after a few hours of setting up the activity? (iv) Mention any one precaution you must take while performing this activity.
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(i) Label the parts (a), (b), (c) and (d) in the diagram.(ii) What type of venation does the leaf has?(iii) What type of venation is seen in grass leaves? 