WorksheetsKSSM_FORM 4_CHAPTER 10_10.2
Total questions: 11
Worksheet time: 6mins
Free radicals are atoms or molecules that lack one electron which makes the atoms or molecules unstable, reactive and tend to attack other atoms or molecules
true
false
Oxidation is a chemical reaction that occurs when a substances loses electrons in its reaction.
true
false
State 2 internal factors that produce free radicals.
metabolism
excretion
inflammatory
breathing
Name the external factors that contribute to the amount of free radicals.
smoking
expose to radiation
sunlight
air pollution
Free radical could damage our DNA structure.
true
false
Free radicals can form carcinogenic substances and cause cancer.
true
false
Free radicals can cause mutation
true
false
Free radicals can cause cardiovascular disease
true
false
Free radicals can cause infertility
true
false
Free radicals could damage kidneys, liver and lungs.
true
false
Free radicals may cause premature aging conditions such as wrinkles and grey hair
true
false
