First is homogeneous and so is the third. second is heterogeneous
Answer:
Option A
Explanation:
Leguminous plants like pulses etc. have root nodules comprising of rhizobacterium which live in a symbiotic relationship with the roots of the plant and in turn fix the nitrogen in the soil in the roots of the leguminous plants.
Hence, option A is correct
Answer:
Answer:
a plant cell
Explanation:
because the chrolopast is green
Explanation:
