List of top Physical Sciences Questions on General Agronomy

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Tillage cause sub-surface soil compaction
Reason (R) : Splashed soil particles clog soil pores
In light of the above statements, choose the most appropriate answer from the options given below .
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Primary objective of summer ploughing is opening of the soil crust and turn the soil underneath.
Reason (R) : It facilitates to sow the crops immediately after onset of monsoon.
In light of the above statements, choose the correct answer from the options given below.
Match List-I with List-II

List-I (Parameter) & List-II (Unit)
(A) Relative Humidity & (I) Okta
(B) Temperature & (II) km/hr
(C) Wind Speed & (III) $^\circ$C
(D) Cloud Cover & (IV) %

Match List-I with List-II

List-I (Name of Author) & List-II (Name of Book)
(A) Rachel Carson & (I) Elements of Agricultural Chemistry
(B) Humphrey Davy & (II) Natures of plant
(C) Theophrastus & (III) Soil Genesis and classification
(D) S. Buol & (IV) Silent Spring
Match List-I with List-II

List-I (Name of Scientist) & List-II (Discovered)
(A) James Wilson & (I) Nitrogen-fixing bacteria
(B) Winogradsky & (II) Host plant resistance
(C) R.H. Painter & (III) Hybrid wheat
(D) S.S. Bains & (IV) Relay cropping
When did the 'All India Coordinated Research Project on Long-Term Fertilizer Experiments (AICRP-LTFE)' start?
Highest wind erosion has occurs in
Vesicular Arbuscular Mycorrhiza has an important role in increasing the availability of
Given below are two statements:
Statement I: The permanent charge of silicate clay minerals results from isomorphous substitution within the clay lattice.
Statement II: The pH-dependent charges depend on the dissociation of $\text{H}^+$ ions from the edges of the crystal unit.
In light of the above statements, choose the correct answer from the options given below:
Pendimethalin is used as
For the effective control of early blight of potato, which fungicide is most suitable?
The chemical obtained from chrysanthemum that has insecticidal properties is
Which is major component of Bordeaux mixture?
Nicotine belong to
Highly toxic insecticide, according to WHO classification, are coded as -
Which one is the most effective and most commonly used repellent to control insect?
Butachlor belongs to
Which is plant originated insecticide?
Which of the following is used as herbicidal agent?
Directorate of Wheat Research (DWR) is located at-
The term Agronomy is derived from
Besides Rabi and Kharif which is the third crop season in India?
Silviculture is related with the study of
Shifting cultivation practiced in North East India is called
Which of the following is a man-made epipedon?