1.which of the following cannot be used in asexual propagation.
A.roots
B.seed
C.auckers
D.leaves

2.it is the science and art of cultivating and propagating plants.
A.biology
B. horticulture
C.agriculture
D.nursery

3.energy provider in the process of food manufacture in plant kingdom
A.fertilzer
B.soil
C.rainfull
D.sunlight​