The genes causing cancer are
structural genes
expressor genes
oncogenes
regulatory genes
In malignant tumours, the cells proliferate, grow rapidly and move to other parts of the body to form new tumours. This stage of disease is called
metagenesis
metastasis
teratogenesis
mitosis
When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that
the patient was not efficient at his work
the patient was not economically prosperous
the patient shows behavioural and social maladjustment
he does not take interest in sports
Which of the following are the reason(s) for rheumatoid arthritic? Choose the correct option.
I. Lymphocytes become more active
II. Body attacks self cells
III. More antibodies are produced in the body
IV. The ability to differentiate pathogens or foreign molecules from self cells is lost
I and II
II and IV
III and IV
I and III
AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?
Transfusion of contaminated blood
Sharing the infected needles
Shaking hands with infected persons
Sexual contact with infected persons