Question

Boiled seeds are used in the oxygen combustion experiment because:

• A. Boiled seeds release oxygen.
• B. Boiled seeds do not germinate.
• C. Boiled seeds are free from germs.
• D. Boiled seeds germinate easily

Answer 1

The correct option is B

Boiled seeds do not germinate.

Seeds lose their ability to germinate after boiling. This is because boiling denatures composition of the cells that make up the seeds. Using boiled seeds acts as the control set up for the experiment as they neither germinate nor respire. Hence, the control set up will not use up any oxygen.