List of top Questions asked in CUET (PG)

What will be the molar concentration of ammonium ion in a 100 ppb ammoniacal solution?

Which of the following microbial species are helpful in the denitrification process?
Microbial species:
A. Rhizobium sp
B. Achromobacter
C. Pseudomonas
D. Nitrosomonas
E. Azotobacter
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Match List I with List II:

LIST I	LIST II
A. Fragmentation	I. Degradation of detritus into simple inorganic substances by bacteria and fungi
B. Humification	II. Release of nutrients from humus by microbial action
C. Catabolism	III. Breakdown of detritus by earthworms into smaller particles
D. Mineralisation	IV. Dark coloured substances, highly resistant to microbial action

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The process that results in a chemical becoming increasingly concentrated at successive higher trophic levels in a food web is referred to as:

Arrange the following phases of successional development of a vegetation community in reverse order (last to first) as suggested by F.E. Clements:
Phases:
A. Phase of migration
B. Phase of nudation
C. Phase of ecesis
D. Phase of reaction
E. Phase of stabilization
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Which of the following reproduce sexually by forming ascospores, which are small sacs commonly referred to as ”asci”?

Match List I with List II:

LIST I (Aquaculture system)	LIST II (Potential Environmental Impact)
A. Coastal Pond	I. Transfer of diseases
B. Inland Pond	II. Introduction of exotic species
C. Mollusk Culture	III. Destruction of mangroves
D. Net Pen/Cage	IV. Degradation of land

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Polar species tend to have longer geographical ranges than tropical species in many taxonomic groups. This is generally known as:

Overall Glycolysis yields some ATPs, but in early stages, ATP is utilised to phosphorylate sugar substrates. In which of the following steps is ATP consumed?

Match List I with List II:

LIST I - Ecological Parameters	LIST II - Unit of Measurement
A. Net primary productivity	I. g/m2
B. Absorbed photosynthetically active radiation	II. g/L
C. Phosphorus	III. Joules/area/year
D. Plant biomass	IV. gC/area/year

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Island communities are a special case in community dynamics in which species makeup is driven by interaction between:
A. Predator abundance
B. Disturbance
C. Colonization
D. Extinction
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The main limiting factors for both plants and animals on a global scale are:
A. Fire
B. pH
C. Temperature
D. Moisture
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Find the limit of resolution of a microscope where the numerical aperture of the objective is 1.4 and the beam of light has a wavelength of 400 nm:

Hypothalamus is present in which part of the brain?

The publication ’The Future We Want’ is the outcome of:

Stratospheric ozone protects us from:

Arrange the stages by which a species becomes invasive in an area:
A. Introduced
B. Established
C. Pest
D. Imported
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Arrange the following greenhouse gases in increasing order of their relative contribution to global warming:
Greenhouse gases:
A. CO₂
B. N₂O 
C. CFCs 
D. CH₄
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The coal mining carried out by landowners/local miners in Meghalaya state of India in the form of a long narrow opening is known as:

The monumental book ’Silviculture of Indian Trees’ is written by:

Photochemical smog formation in ambient atmosphere requires:
A. Volatile hydrocarbon
B. Ozone
C. SO2
D. Sunlight Temperature
E. NOx
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Which of the following metal is bioaccumulative in nature but does not undergo biomagnification to cause adverse health effects?

Which of the following is a criteria pollutant as per National Ambient Air Quality Standards?

Match List I with List II:

LIST I (Species)	LIST II (Number of chromosomes)
A. Triticum vulgare	I. 18
B. Brassica oleraceae	II. 42
C. Arabidopsis thaliana	III. 4
D. Machaeranthera gracilis	IV. 10

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