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.
Elater mechanism for seed dispersal is exhibited by
Riccia
Dryopteris
Funaria
Marchantia
D.
Marchantia
Marchantia is a liverwort. Its sporophyte contains elongated cells with spiral thickenings on its wall called elaters. These elaters are hygroscopic in nature. The resulting twisting movement helps dispersal of spores.
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