Assertion : Arid areas are not suitable for crops
Reason: Antityranspiratnts are used for planting crops in arid regions.

The modified stem in some plants of arid region is

Ephemerals of arid area are also called

Ephemerals of arid area are also called

Assertion: Biofortificationn is used to increase nutrient value of crops. Reason: Meristem culture is used to obtain virus resistant plants.

Assertion: Biofortificationn is used to increase nutrient value of crops. Reason: Meristem culture is used to obtain virus resistant plants.

Reason of fast speciation in present day crop plant is :

Reason of fast speciation in present day crop plant is :

Reason of fast speciation in present day crop plant is :

Reason of fast speciation in present day crop plant is :