Using the information given below, complete the paragraph that follows. The first one has been done as an example. Don’t write the printed words.
(i) Cut a fresh onion into small pieces.
(ii) Boil these pieces in 10 ml of distilled water for 3-4 min.
(iii) Cool the solution.
(iv) Filter the content to be used as food extract.
(v) Perform Benedict’* test.
(vi) The solution turns green, then orange and finally red.
(vii) This confirms presence of glucose in onion.
In order to test the presence of glucose in onions the following experiment must be performed. First the onion is cut into small pieces. Then these onion pieces (a) .................... for 3-4 minutes. The solution is allowed to cool. It is then (b) .................... . Now (c) .................... on the content. You will observe that initially the solution turns green, then orange and finally red. Thus, the presence of glucose in onion (d) ................. .
