Which of the following is involved in allergic reaction?
lgM
IgM and lgG
IgA
lgE
D.
lgE
IgE antibody is involved in allergic reactions. During allergy, individual's immune system over reacts to an allergen by producing antibodies called IgE.
Introduction of foreign genes for improving genotype is
biotechnology
vernalization
tissue culture
genetic engineering
Pure line breed refers to
heterozygosity only
heterozygosity and linkage
homozygosity only
homozygosity and self assortment
If a homozygous red flowered plant is crossed with a homozygous white flowered plant, the offspring would be
half red-flowered
all red-flowered
half white-flowered
half pink-flowered.
When the filament runs throughout the length of anther, it is called
adnate
dorsi fixed
versatile
syngenesious
Adults of Wuchereria bancrofti attacks
excretory system
nervous system
digestive system
lymphatic system