CBSE Class 10 Science 2015 Term I Set 2

Question : 32 of 36

Marks: +1, -0

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

Alcohol is highly volatile.
Steam from the water bath heats the leaf rapidly.
Steam from the water dissolves the chlorophyll.
Alcohol is flammable.

Solution:

Go to Question:

Prev Question

Next Question