In an experiment to test the presence of starch in a leaf, the plucked leaf is first boiled in water for a few minutes. This is an important step in the experiment because it:

In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:

How will you test for the pesence of starch in a leaf?

The diagram below illustrates iodine test for the presence of starch in a leaf Why is the leaf boiled in water for few minutes ?

In the experiment to demonstrate that starch is made as food by the process of photosynthesis, the plucked leaf is first boiled in water for about 3 to 5 minutes in order to :

In an experiment to show that 'sunlight is necessary for photosynthesis', the leaf is boiled in alcohol for a few minutes using a water bath. It is essential because:

The diagram below illustrates iodine test for the presence of starch in a leaf Why is the leaf again boiled in hot water?

In the experiment to show that light is necessary for photosynthesis, the pluked leaf is boiled in ethanol and then washed with water. After this, it is tested for the presence of a carbohydrate by a chemical which is:

Boojho wanted to test the presence of starch in leaves. He performed the following steps. He took a leaf and boiled it in water. He did not get the expected result. Which step did he miss? Explain.