List of top Physical Sciences Questions

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) %

Objective of GIS
(A) Maximizing the efficiency of planning and decision-making.
(B) Providing efficient means for data distribution and handling.
(C) Elimination of redundant database - minimize duplication.
(D) Capacity to integrate information from many sources.
Choose the most correct answer from the options given below :
Soil Water Content increasing order
(A) field capacity
(B) Oven dry
(C) Hygroscopic
(D) Permanent wilting
Choose the correct answer from the options given below :
The Strategic Research Extension Plan (SREP) is related with
Match List-I with List-II

List-I (Land Capability Classes) & List-II (Colour)
(A) Class II & (I) Green
(B) Class IV & (II) Yellow
(C) Class III & (III) Brown
(D) Class I & (IV) Pink

Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Universal Soil Loss Equation A= RKLSCP
Reason (R) : Universal soil loss equation determination for the reduction of soil erosion to tolerable limits necessitates the adoption of properly planned cropping practices and soil conservation measures.
Match List-I with List-II

List-I & List-II
(A) Land use & (I) Cover crop
(B) C : N ratio & (II) Hilly areas
(C) Landslide & (III) Mineralization and immobilization
(D) Soil and water conservation & (IV) Soil capability classification

The characteristics of the Plinthite horizon are
(A) It is rich in humus
(B) It is rich in sesquioxide
(C) Presence of yellowish or greyish mottles
(D) Hardens reversibly due to repeated wetting and drying
Choose the correct answer from the options given below :
Match List-I with List-II

List-I (Soil Moisture/Temp Regime) & List-II (Mean Annual Soil Temperature)
(A) MESIC & (I) 15$^\circ$C to $<$ 22$^\circ$C
(B) THERMIC & (II) 8$^\circ$C to $<$ 15$^\circ$C
(C) HYPERTHERMIC & (III) 28$^\circ$C or more
(D) MEGHATHERMIC & (IV) 22$^\circ$C to $<$ 28$^\circ$C

Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Bacillus megaterium is an efficient P-solubilizing bacteria.
Reason (R) : Bacillus megaterium produces different organic acids for dissolution.
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Humic acids are more resistant than fulvic acid.
Reason (R) : Humic acids have low molecular weight and simple structure than fulvic acids.
In light of the above statements, choose the correct answer from the options given below.
Which of the following theories are associated with humus formation ?
(A) Polyphenol theory
(B) Linin-protein theory
(C) Chemiosmosis theory
(D) Sugar-amine condensation theory
Suppose roots, straw, and grains of a wheat crop produce dry matter of 2.5 t/ha, 6 t/ha, and 4 t/ha containing 0.2%, 0.5%, and 1.5% N, respectively. How much total N uptake by the above-ground portion ?
Match List-I with List-II

List-I (Instrument) & List-II (Used for Measurement of)
(A) Liquid Limit Device & (I) Wind speed
(B) Pycnometer & (II) Soil Plasticity
(C) Beufort scale & (III) Depth of water table
(D) Piezometer & (IV) Specific Gravity of soil
Diseases occurring due to Ca deficiency are
(A) Hollow heart in Groundnut
(B) Frenching of Citrus
(C) Pod popping in Groundnut
(D) Pillowing of Cucumber
Choose the correct answer from the options given below :
The word soil has been derived from.
The science that deals with soil genesis and classification is called as :
Which are the fundamental soil-forming process ?
(A) Eluviation
(B) Illuviation
(C) Laterization
(D) Humification
Choose the correct answer from the options given below :
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
The ionic product of water at ordinary temperature (25°C) is a constant value of :
Identify the copper-containing minerals.
(A) Covellite
(B) Azurite
(C) Powellite
(D) Limonite
Choose the correct answer from the options given below :
Which of the following method likely to be used where the water supply is limited and the market value of the crop is high ?
Match List-I with List-II

List-I (Method) & List-II (Estimation)
(A) Kjeldahl method & (I) Estimation of Soil moisture
(B) Walkley & Black method & (II) Estimation of Sedimentation of soil particles
(C) Hydrometer method & (III) Estimation of Organic Carbon
(D) Gravimetric method & (IV) Estimation of Nitrogen
Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : The organochlorine pesticides accumulate in the fatty tissues in the human body.
Reason (R) : Organochlorine pesticides are chemically unstable and hydrophobic.
In light of the above statements, choose the most appropriate answer from the options given below.