Radioactive Sr-90 can enter and accumulate in human body through

Sr-90 causes

Sr-90 causes

Which of the following radioactive substances enters/enter the human body through food chain and causes/cause many physiological disorders?

What is meant by bioconcentration of pesticides ? Which common pesticide has accumulated in human body in considerable amounts ?

AIDS virus enters the human body through

The polio virus enters the human body through

AIDS virus enters the human body through

The polio virus enters the human body through

AIDS virus enters the human body through

Strontium - 90 can enter human body parts in place of