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Class 12 Biology: Strategies for enhancing food prod. (plant breeding…
Class 12 Biology: Strategies for enhancing food prod.
mgmt. of farm animals
animal husbandry
better breeds
inbreeding
outbreeding
out-crossing
cross-breeding
inter-specific hybrid
better management
poultry
same as above
dairy
housing, sanitation
vet care
good quality fodder
hygiene while handling milk
breed selection
new tech.
Multiple Ovulation Embryo Transfer Technology
bee keeping
uses of honey
nutrition
medicine
bees wax → industry
can be raised with crops
management
location
different seasons
collection of honey & beeswax
catching & hiving of swarms
fisheries
pisciculture
fish faming in tanks or enclosures
aquaculture
rearing marine animals and plants, in controlled aquatic environments
plant breeding
objectives
tolerance to environmental stress
resistance to diseases
resistance to pests
resistance to pathogens
green revolution
Norman Baurlaug & MS Swaminathan
varieties
semi dwarf varieities
Rice = Jaya & Ratna
wheat = Sonalika & Kalyan Sona
mutation breeding
addressing hidden hunger
biofortication
breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats
examples
atlas 66 wheat with high protein content
iron rich rice
single cell proteins
algae can be mass produced using waste water to serve as nutritious food
types of algae used
blue green algae
spirulina
tissue culture
totipotency
ability to generate whole plant from a part in lab in a special media
micro-propagation
tissues can be used to produce thousands of plants from one plant