Mechanisms of material uptake by plants is by____________________?

Father of agricultural chemistry is___________________?

A. Vonliebig

B. Neil Brady

C. Neuron

D. J. jones

Organic soil are called____________________?

A. Peat

B. Arid soil

C. Muck

D. Both a & b

Main product of photosynthesis is_____________________?

A. C6H12O6

B. C12H24O12

C. C3H6O6

D. C5H12O6

Planets in our system are____________________?

A. 8

B. 12

C. 10

D. 9

hydrosphere refers to______________________?

A. Zone of water

B. Zone of air

C. Zone of atmosphere

D. Zone of earth crust