List of top Physical Sciences Questions

Given below are two statements :
Statement (I) : At field capacity matric potential, the soil water content is higher when dry soil is getting wet.
Statement (II) : The drying of soil depends on the narrow radii of the connecting channels, whereas the wetting process depends on large pore diameters.
In light of the above statements, choose the most appropriate answer from the options given below.
Microwave remote sensing is useful in monitoring
(A) Soil moisture
(B) Canopy structure
(C) Snow cover
(D) Moisture profiling in the atmosphere
(E) Ocean circultion
Choose the correct answer from the options given below :
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
Assertion (A) : Soil clay has maximum influence on soil behavior.
Reason (R) : Clay has greater surface area per unit mass and is most physicochemical active.
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements :
Statement (I) : Alluvial soils are the largest group of soils in India.
Statement (II) : Alluvial soils are rich in nitrogen but deficient in potassium.
In light of the above statements, choose the most appropriate answer from the options given below.
The equation governing flow of water in saturated soil is
The capillary rise in soil (h, cm) with average pore radius (r, cm) is related as
The term "Infiltrability" is coined by
Match List-I with List-II
{|p{7cm}|p{7cm}|} List-I (Physical parameter) & List-II (Unit)
(A) Surface tension & (I) Kilogram per cubic meter
(B) Viscosity & (II) Newton per meter
(C) Soil permeability & (III) Meter per hour
(D) Particle density & (IV) Pascal
(E) Soil water potential & (V) Pascal-second

Training dataset is used to identify desired features in remote sensed images in
The value of tortuosity in soil is
Vertical movement of air and heat from earth surface to the atmosphere is
Water has Maximum density at temperature
What is the average life of a radioactive element whose half-life is 30 days ?
Match List-I with List-II
{|p{7cm}|p{7cm}|} List-I (Element) & List-II (Electronic Configuration)
(A) Mg & (I) 2, 1
(B) Na & (II) 2, 8, 7
(C) Li & (III) 2, 8, 1
(D) Cl & (IV) 2, 8, 2

Normalized Difference Vegetation Index to monitor crop health is determined from
Which of the following is a representation of vector map?
(a) Point, (b) Pixel, (c) Polygon
Unit of Mixing Ratio is
When structure of two soils is compared, it will be better in that soil whose cumulative mean weight diameter (CMWD) is :
Match List-I with List-II

List-I (Soil parameters) & List-II (Measurement)
(A) Bulk Density & (I) $Cl^{36}$
(B) Soil water content & (II) $C^{13}$
(C) Seepage & (III) $H^2$
(D) Soil salinity & (IV) Am$-$Be
(E) Soil aggregation & (v) $Cs^{137}$

Match List-I with List-II

List-I (Institutes) & List-II (Headquarts)
(A) IISS & (I) Hyderabad
(B) IIHR & (II) Bangalore
(C) CRIDA & (III) Jodhpur
(D) CAZRI & (IV) Bhopal

The characteristics of Imogolite are
(A) They are found in Andisol
(B) They have low bulk density and high plasticity
(C) They have a high Potassium fixation capacity
(D) They are paracrystalline in nature
Choose the correct answer from the options given below :
A soil 80 cm deep has a volume water content = 0.12. Find out the quantity of water that must be added to bring the volume water content to 0.30.
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) %

Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Water requirement for wheat crops varies from 300 to 600 mm.
Reason (R) : Water requirement varies depending on the soil type and rainfall and variety.
Very dark, cracking clay-dominated soils; (ii) locally called regur, karail, and bhal; (iii) high clay varying from 30-60%, base-rich; (iv) occur in Maharastra, Madhya Pradesh., Gujarat, Rajasthan, Chhattisgarh and some parts of Karnataka and T.N. ...... is called
(A) Black Soils
(B) Alluvial Soils
(C) Red Soils
(D) Laterite and Lateritic Soils
Choose the correct answer from the options given below: