Which rock contain potash feldspar ?
A. Syeruite
B. Gabbro
C. Norile
D. All the above
Soil Science
Fine-graned rocks formed on earth crust are called____________________?
Fine-graned rocks formed on earth crust are called____________________?
A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. Plutonic
The inner shell of earth consists of_____________________?
The inner shell of earth consists of_____________________?
A. Fe
B. Silicate
C. Mg
D. Silicate of Fe & Mg
hydrosphere refers to______________________?
hydrosphere refers to______________________?
A. Zone of water
B. Zone of air
C. Zone of atmosphere
D. Zone of earth crust
Planets in our system are____________________?
Planets in our system are____________________?
A. 8
B. 12
C. 10
D. 9
Mechanisms of material uptake by plants is by____________________?
Mechanisms of material uptake by plants is by____________________?
A. Diffusion
B. Osmosis
C. Root interception
D. Mass flow
Main product of photosynthesis is_____________________?
Main product of photosynthesis is_____________________?
A. C6H12O6
B. C12H24O12
C. C3H6O6
D. C5H12O6
Organic soil are called____________________?
Organic soil are called____________________?
A. Peat
B. Arid soil
C. Muck
D. Both a & b
Father of agricultural chemistry is___________________?
Father of agricultural chemistry is___________________?
A. Vonliebig
B. Neil Brady
C. Neuron
D. J. jones