The scientific name of the moth which produce tasar is
Bombyx mori
Antherae mylitta
Antherae assamensi
Philosomia ricini
The name of the pace maker of the heart is
lymph node
SA node
juxtaglomerular apparatus
semilunar valve
Which of the following is related to humoral immunity?
T- lymphocyte
B- lymphocyte
I- lymphocyte
P- lymphocyte
Polyploid derived from two different species is called
autopolyploid
triploid
allopolyploid
monoploid
Biolistic technique is used in
tissue culture process
gene transfer process
hybridization process
germplasm conservation process
Structural element of chromatin is
histone
acid protein and DNA
nuclear matrix
nucleosomes
D.
nucleosomes
Chromatin is composed of nucleosome which contains eight histone molecule around which DNA is wound. Some portion of chromatin takes darker stain during interphase called heterochromatin while the portion which take lighter stain are called euchromatin.