Which disease in children is caused by intensive use of nitrate fertiliser
Jaundice
Methemoglobinemia
Mumps
Septicemia
Full forms : $LSD$
Purpose of tubectomy is to prevent
Black lung disease is common among
Genetic material found in Human Immunodeficiency Virus(HIV)is
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
$(a)$ Fill in $(A)$ and $(B)$
$(b)$ Why is the virus called retrovirus ?
$(c)$ Can the infected cell survive while viruses are being replicated and released ?