Which rock contain potash feldspar ?
Which rock contain potash feldspar ?
A. Syeruite
B. Gabbro
C. Norile
D. All the above
Soil Science
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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