The Total solution for NCERT class 6-12
Answer - 11 : - The major components of medium used for propagation of explants in vitro are carbon sources such as sucrose, inorganic salts, vitamins, amino acids, water, agar-agar, and certain growth hormones such as auxins and gibberellins.
Answer - 12 : - The five hybrid varieties of crop plants which have been developed in India are:
Crop plant
Hybrid variety
Wheat
Sonalika and kalian sona
Rice
Jaya and Ratna
Cauliflower
Pusa shubra and Pusa snowball K-1
Cowpea
Pusa komal
Mustard
Pusa swarnim