6007.Vacuoles are bound by a definite membrane in plant cells called
Plasma membrane
Tonoplast
Cell wall
None of the above
6014.There are how many strains of H & N proteins that cumulatively make up the HN breed of flu virus (eg. being the presently famous H1N1 virus)
16 & 9 respectively
9 & 16 respectively
16 & 16 respectively
9 & 9 respectively