List of top Questions asked in CUET (UG)- 2023

In which ecosystem, a larger fraction of energy flows through detritus food chain (DFC) than through grazing food chain (GFC) ?

Identify the statement which are not true for the natural ecosystem
(A) Grassland and desert are example of terrestrial ecosystem. 
(B) Oceans and rivers are man-made ecosystems. 
(C) Wetland and estuary are examples of aquatic ecosystem. 
(D) Crop fields and aquarium are natural ecosystems.
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The greatest biodiversity on the earth is seen in

Match List -I with List-II

	List -I		List-II
A	Genetic diversity	I	Mangroves and Coral reef
B	Species diversity	II	Rauwolfia vomitoria in different Himalayan ranges
C	Ecological diversity	III	Amphibians in Western Ghats
D	Biodiversity loss	IV	Dodo in Mauritius

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Particulate air pollutants from a thermal power plant are removed by

Dobson Unit (DU) is used to Measure

What is the packing efficiency of simple cubic lattice?

Match List -I with List-II

	List -I		List-II
A	Diamagnetic solid	I	CrO2
B	Ferromagnetic solid	II	Fe3O4
C	Antiferomagnetic solid	III	NaCl
D	Ferrimagnetic solid	IV	MnO

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When blood cells are placed in 1%(W/V) NaCl aquem solution

Decreasing order of freezing point of 0.1 M aqueous solution of following will be
(A) K₄[fe(CN)₆] 
(B) K₂SO₄
(C) NH₂CONH₂ 
(D) ALCL₃ 
(E) HCL 
Choose the correct answer from the option given beloW

Osmotic pressure of solution formed by mixing 50 ml of 0.2 M urea and 50 ml of 0.4 m glucose aqueous solution at 298 K will be : (R=0.083 L atm K^-1 mol^-1)

Degree of dissociation, when molar conductivity of X at its concentration C is 24.14 and its limiting molar conductivity is 48.28 will be

E_cell for the given cell pt(s)/Br₂(1)/Br^-(0.1 M)//Cl^-(0.01 M)/Cl₂(g) (1 atm)/Pt(s) [Given E_br2/Br-=+1.09 V,E Cl₂/Cl-=1.36 V] at 298 K is

If we use molten NaCl, the products of electrolysis are ____.

t_99.9% with respect to t_99% for a first order reaction is:

A reaction takes 30 minutes to complete 50% of the reaction and takes 45 minutes to complete 75% of the reaction. The order of the reaction is:

Rate of a reaction changes from 2.48 x 10^-3 mol sec^-1 to 4.96x 10^-3 mol sec^-1 when concentration of reactant, is changes from 0.6M to 2.4 M respectively, the order of reaction is

Coagulating power of an ion for a colloid solution depends on

Which of the following sols are correctly matched with their corresponding charges?
(A) Cr(OH)₃ sol: negatively changes sol
(B) TiO₂ sol: positively charges sol
(C) CdS sol : positively charged sol
(D) Gum : negatively sol
(E) Silver sol : positively charged sol
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Match List -I with List-II

	List -I		List-II
A	Gel	I	Hair cream
B	Foam	II	Dust
C	Emulsion	III	Cheese
D	Aerosol	IV	Whipped cream

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Match List -I with List-II

	List -I		List-II
A	Urease	I	Maltose
B	Maltase	II	Glucose and Fructose
C	Invertase	III	NH3 and CO2
D	Diastase	IV	Glucose

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When dilute aqueous solution of KI (excess) is added to AgNO₃ solution, the charge on the Agl colloidal, particles formed will be

Match List -I with List-II

	List -I		List-II
A	Kaolinite	I	FeCO3
B	Siderite	II	ZnCO3
C	Malachite	III	[AL2(OH)4Si2 O5]
D	Colamine	IV	CuCO3.Cu(OH)2)

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Ferric oxide in blast furnace's upper half is mainly reduced by:

In a reaction:\( MnO_4^- + 8H^+ + 5e \, \overset{A}⇢ + H_2O\)
A stands for: