Q.1
Minerals containing iron are’
(A) . Hematite
(B) . Goethite
(C) . Sphalerite
(D) . Magnetite
Choose the correct answer from the options given below:
Q.2
Given below are two statements
Statement (I) : Iron deficiency is most common in upland crops, particularly those grown on the calcareous/alkaline soils of
arid region
Statement (II) : Molybdenum is associated with nitrogenase and nitrate reductase enzymes and is essential for nitrogen
fixing plants and microorganisms
In light of the above statements, choose the most appropriate answer from the options given below.
Q.3
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Dehydrogenase activity reflects the total range of the oxidative activity of soil microorganisms and may be
considered a good indicator of the oxidative metabolism in soils.
Reason (R) : Dehydrogenase oxidizes soil organic matter by transferring protons and electrons from organic substrates to
inorganic acceptors.
In light of the above statements, choose the correct answer from the options given below.
Q.4
Solution of 2% concentration is equivalent to
Q.5
Who invented the pH scale?
Agrochemical Formulations
2 TopicsAgrochemicals - Regulation and Quality Control
2 TopicsChemistry of Natural Products
2 TopicsChromatography and Spectroscopic Techniques
2 TopicsData Analysis
2 TopicsEnvironment Pollution: Implications and Remediation
2 TopicsGeneral Agriculture
5 TopicsGeneral Chemistry
2 TopicsHerbicides and Plant Growth Regulators
2 TopicsNatural Resource Management
2 TopicsNaturally Occurring Insecticides
1 TopicPesticide Residues and their Dynamics in the Environment
2 TopicsSynthetic Insecticides, Fungicides, Nematicides and Rodenticides
2 Topics
Synthetic Insecticides & Acaricides: Organophosphates, Carbamates, Synthetic Pyrethroids (Cypermethrin), Neonicotinoids & Chitin Inhibitors
Synthetic Fungicides, Nematicides & Rodenticides: Dithiocarbamates (Mancozeb), Phthalimides (Captan, Folpet), Triazoles (Hexaconazole), Anticoagulants & Fumigants
Official PYQ Papers
Previous Year Papers of Agricultural Chemicals
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2024
29-06-2024