Immunodeficiency makes a person highly susceptible to infection. It is caused by
Lack of $B-$cells
Lack of $T-$cells
Both $(a)$ and $(b)$
None of the above
Oral cancer may be caused by
Paralysis agitans is
Person $^{\prime}A^{\prime}$ cannot step out of his house. He has to spend his entire life in sterile isolation otherwise, he would quickly contract a fatal infection. This person has almost no effective immune system. This disease is also called as baby in a bubble syndrome. Identify the disease, this person $^{\prime} A ^{\prime}$ is suffering from
Antibodies in our body are complex