Pieces of plant tissue used in culture is called
explant
domaclone
inoculant
clone
A.
explant
An explant is the plant part that is excised from its original location and used for initiating a culture. The explant is treated with specific antimicrobial chemicals, the process called surface sterilization.
In plant tissue culture, the callus tissues can be regenerated into complete plantlets primarily by altering the concentration of
sugars
vitamins
amino acids
hormones
Micropropagation is a technique for production of
true to type plants
haploid plant
somatic hybrids
somaclonal plants
Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of wheat?
42
21
7
14
Which one of the following poultry birds is not an english breed?
Sussex
Australorp
Orpington
Minorca
By which of the following methods, new and better varieties of plants can be formed
Selection
Grafting
Hybridization
Hybridization followed by selection
