List of top Environmental Studies Questions asked in CUET (PG)

Given below are two statements:
Statement I: Los Angeles smog event was a suitable example of photochemical smog.
Statement II: Photochemical smog formation requires NOx, volatile organic compounds and intense sun light in which peroxy acetyl nitrate is one of the byproducts.
In the light of the above statements, choose the most appropriate answer from the options given below:

Catalytic convertors in vehicle are used for -

Which of the following does not form scales in water pipes of boilers or water cooling systems ?

Noise levels in environment are measured in

Which of following species is not a proton accepter in natural waters ?

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Nuclear fusion occurs more rapidly in hydrogen bomb explosion, and occur continually in the Sun, releasing energy essential for the life on the earth.
Reason R: Nuclear reaction of less massive nuclei coming together to form less stable and more massive nuclei is referred as nuclear fusion. 
In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements :
Statement I: In the animal cell culture media phenol red is added, which gives the media a light pink colour.
Statement II: Phenol red is an essential nutritional supplement for the cells.
In the light of the above statements, choose the correct answer from the options given below:

The special reproductive feature of Gnetum is

Which of the following zone in a lake/pond will have the highest biochemical oxygen demand(BOD) ?

Match List I with List II

List I (Plant Derived Substance)		List II (Original Source)
A.	Morphine	I.	Taxus brevifolia
B.	Quinine	II.	Artemisia annua
C.	Artemisinin	III.	Chinchona ledgeriand
D.	Taxol	IV.	Papover somniferum

Choose the correct answer from the options given below :

Given below are two statements:
Statement I: Plant roots are surrounded by microorganisms as part of soil-plant-microbe ecosystem which can be termed as the rhizosphere.
Statement II: Root exudates have no effect on Rhizosphere ecology. 
In the light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II

List I		List II
A.	Meanders	I.	Glaciers
B.	U-shaped valleys	II.	lakes
C.	Solution sinks	III.	River
D.	Alkali flats	IV.	Groundwater

Choose the correct answer from the options given below:

Arrange the following in decreasing order of land area.
A. Africa
B. Asia
C. Europe
D. North and Central America
E. Oceania
Choose the correct answer from the options given below:

Which of the following metal is used in wood preservatives ?

Which of the following are criteria Air pollutants under National Ambient Air Quality standards?
A. CO
B. CO₂ 
C. Pb 
D. Hg 
E. SO₂
Choose the correct answer from the options given below :

Match List I with List II

List I (Soil Horizon)		List II (Characteristics/Nature)
A.	A Horizon	I.	Zone of eluviation
B.	E Horizon	II.	Unweathered mineral material
C.	B Horizon	III.	Surface horizon with mineral material and organic compound beyond recognition
D.	C Horizon	IV.	Zone of illuviation

Choose the correct answer from the options given below :

_______ is produced by the yeast deriven fermentation principally of glucose C₆H₁₂O₆/Carbohydrates in plants.

Given below are two statements: One is lebelled as Assertion A and the other is labelled as Reason R.
Assertion A: The average composition of atmosphere near the surface of the earth is approximately 78.08% of N₂, 20.95% of O₂, 0.93% of Ar, 0.04% of CO₂, adds to nearly 100%. 
Reason R: Water content in atmosphere is variable ranging from <0.5% to 3.5% therefore, the average composition is given on dry weight percent basis (mixing ratio).
In the light of the above statements, choose the correct answer from the options given below:

Soils and lands that have shallow water table can develop _______ due to excessive water evaporation and the concentration of salts.

Which of the following minerals weather and provide K⁺ ions to groundwater?
A. Pyroxene
B. Biotite 
C. Plagioclase 
D. Onthoclare 
Choose the correct answer from the options given below:

Which layer of the atmosphere reflects back the radio waves that are transmitted from the earth ?

An inherited disease in which very few healthy red blood cells are formed and those formed are thin and extremely fragile, is known as

Cancers of the body's soft tissues are called -

Which of the following may occur on the abyssal plain, below the carbonate compensation depth ?

In which of the following bryophytes, the archesporium develops from endothecium ?