TASK DEFINITION: In this task, you are given a paragraph, and your task is to construct a question from the given passage. Construct question in such a way that (i) it is well explained in the paragraph, (ii) the words may/may not be present in the paragraph, (iii) it should start with what/how/describe. Avoid creating a question that (i) is just relevant to one or two sentences, and (ii) not relevant to passage.
PROBLEM: Someone is infected with bacteria. That bacteria begins to grow and reproduce inside the cells. The dividing bacteria begin to make toxins. Those toxins damage your cells. Disease symptoms may begin.

SOLUTION: Describe how bacteria can cause disease.

PROBLEM: He air we breathe contains oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide. Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled. Your lungs and respiratory system automatically perform this vital process, called gas exchange.

SOLUTION: What do lungs do?

PROBLEM: Animals and plants die in soft soil or mud. Sediment builds up over the remains. The remains decompose, leaving only trace amounts. The remaining parts over the years are replaced with mineral. A fossil is formed.

SOLUTION:
Describe the process of fossilization