List of top Atmospheric Science Questions on Environmental Science

Solar variability can force climate change. Which of the following statements are correct about Solar variability?
A. Flares are intense bursts of ultraviolet and X-ray emitted from the sun's outer atmosphere.
B. Sun spots are bright (hot) patches that interrupt the irregular pattern of convective cell in the photosphere.
C. Faculates are bright (hot) spots in the pattern of convective cells that often appear in conjugate with sunspots.
D. Solar activity is modulated by solar cycle of approximately 11 years.
 

Match List - I with List - II
 

List - I (Parameter)List - II (Definition)
A. Field viewI. Distance from the center of mirror to focal point.
B. Focal lengthII. Center of the sphere of which the mirror's surface is a part.
C. Center of curvatureIII. Curving a plane mirror such that its surface is flexed out.
D. Convex mirrorIV. The extent of the scene that is reflected to the observer.

Match List - I with List - II

List - I (Parameter of Black Body Radiation)List - II (Expression)
A. Internal Energy (\(u\))I. \(-\frac{1}{3}aVT^3\)
B. Heat capacity at constant volume (\(C_v\))II. \(aVT^4\)
C. Entropy (\(S\))III. \(4aVT^3\)
D. Helmholtz Free energy (\(F\))IV. \(\frac{4}{3}aVT^4\)


[where 'a' is constant, V is volume and T is temperature]

An ideal monotonic gas containing five moles at $27^\circ\text{C}$ and one atm pressure is expanded adiabatically to thrice of its volume. The change in internal energy is:
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Smog refers to heavily polluted air that forms in cities during winter.
Reason (R) : It is the emission of CH$_4$ and aerosols from the burning of fossils.
In the light of the above statements, choose the most appropriate answer from the options given below :
Which of the following were constituents of the famous classical London smog?
A. Smoke
B. Fog
C. SO\(_2\)
D. Peroxyacetyl nitrate
E. Ozone
Match LIST-I with LIST-II
LIST-I (Atmospheric component)
(A) Nitrogen
(B) Sulphur dioxide
(C) Aerosols
(D) Ozone
LIST-II (Role)
(I) Hypnoxyotic an(t)icle
(II) Photochemical interaction
(III) Retards re-radiation... (Greenhouse Effect)
(IV) Acid rain
Choose the correct statements.
A. Dissolution of oxygen in surface water changes with change in temperature during extreme summer and winters.
B. Dissolved oxygen and BOD have inverse relationship in sewage water.
C. Chemical oxygen demand is always higher than BOD in sewage water.
D. More saline water will have less conductivity.
Which of the following are criteria pollutants under national ambient air quality standards?
A. PM\(_2.5\)
B. NO\(_x\)
C. Lead
D. Methane
E. Sulphur dioxide
Which one of the following states in India is known to have the highest Chromium pollution of water and soils due to tanning industry?