Smoking leads to the hypersecretion of

Which of the following is a viral disease?

Blood cancer is known as

Typhoid fever is caused by

Which among the following is a sex-linked disease?

Which of the following is a cancerous disease?

Yellowing of leaves occurs due to the deficiency of

The treatment of cancer by gamma rays, is called

Koch's postulates are not applicable to

The agent, which tends to produce cancer, is called