Which of the following is not a metamorphic rock?
Which of the following is not a metamorphic rock?
A. Marble
B. Granite
C. Sand stone
D. both A & B
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What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
What kind of nitrogenous (N) fertilizers should not be used for flooded soil:A. Ammonical
B. Nitrate
C. Ammonical-nitrate
D. Both B & CN and P sprayed on the leaves at time of flowering results in:________?
N and P sprayed on the leaves at time of flowering results in:________?A. Increase in fruit yield
B. Improve their protein
C. Increase fruit yeid & protein
D. None of theseSoil is a mixture of__________?
Soil is a mixture of__________?A. Minerals And organic matter
B. Water
C. Air
D. All of the aboveThe tree sends down roots from its branches to the soil is know as:_______?
The tree sends down roots from its branches to the soil is know as:_______?A. Oak
B. e
C. Banyan
D. PalmOrganisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?A. Chemoautotroph
B. Photoautotroph
C. Saprophyte
D. None of theseNa2CO3 salts is___________________?
Na2CO3 salts is___________________?A. Neutral
B. Alkaline
C. Acidic
D. None of the above