A. Vonliebig
B. Neil Brady
C. Neuron
D. J. jones
Soil Science
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
Mechanisms of material uptake by plants is by………………..?
A. Diffusion
B. Osmosis
C. Root interception
D. Mass flow
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
The inner shell of earth consists of…………………?
A. Fe
B. Silicate
C. Mg
D. Silicate of Fe & Mg
Fine-graned rocks formed on earth crust are called………………..?
A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. Plutonic
Which rock contain potash feldspar ?
A. Syeruite
B. Gabbro
C. Norile
D. All the above
The site of grains present in sands structuring range………………?
A. 1.00 0.0625 mm dia
B. 0.0625 mm dia
C. 0-1.0 mm dia
D. None of the above