Q1.Biological catalysts that help break down complex food molecules into smaller ones for absorption are known as what?

Q2.Which muscular organ helps in mixing food thoroughly with saliva and moving it around the mouth while chewing?

Q3.In Activity 5.3, what substance is being tested for its presence or absence using dilute iodine solution?

Q4.Which of the following statements accurately describes the stomach based on the provided text?

Q5.Which gas causes freshly prepared lime water to turn milky when air is blown through it?

Q6.What is the first step in the breakdown of glucose, a six-carbon molecule, in all cases of energy production (aerobic or anaerobic)?

Q7.Where does the initial breakdown of glucose into pyruvate take place within a cell?

Q8.What type of molecule is glucose, based on its carbon count?

Q9.What are the products when pyruvate is converted in yeast during fermentation?

Q10.What is the process called when pyruvate is broken down in the absence of air (oxygen), such as during fermentation in yeast?