1.

Observe the experimental setup and answer the given questions.(A) What is the aim of the above experiment ? (B) Why boiled and cooled glucose is covered with paraffin ? (C) Why does we dip the bulb of thermometer in glucose water ? (D) What is the indicator used in this experiment ? What change you notice in glucose solution ?

Answer»

(A)To prove CO2 and heat are liberated during anaerobic respiration by yeast cell. 

(B) To prevent supply of air, boiled and cooled glucose is covered with paraffin. 

(C) To know the rise in temperature of glucose solution when heated, the bulb of the thermometer is dipped in the glucose water. 

(D) Diazine green. When the oxygen availability is less the Diazine Green changes to Pink colour.



Discussion

No Comment Found

Related InterviewSolutions