Haploid cultures can be obtained by culturing:
Embryo
Pollen grains
Shoot apex
Root apex
Inbreeding depression is
In maize, hybrid vigour is exploited by
Black rot of mustard is caused by
Assertion : Fish meal is a rich source of protein for cattle and poultry.
Reason : Fish meal is produced from non-edible parts of fishes like fins, tail etc.