List of top Questions asked in CUET (PG)

Which of the following are correct statements?

(A) Hydrogen bond is weaker than covalent bond.
(B) CH\(_4\) has covalent bonds.
(C) Covalent compounds do not conduct electricity except diamond.
(D) Graphite is a soft solid and a good conductor of electricity.
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Which option is true for Fischer projection formulas?

(A) They must be kept in the plane of paper.
(B) They are not allowed to flip them over.
(C) They must be rotated in the plane of paper by 90°.
(D) They must be rotated in the plane of paper by 180°.
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Ionic compounds are

(A) Made up of positive and negative ions and attraction between ions is electrostatic
(B) Ionic bonds are non-directional
(C) Melting point and boiling point are usually low
(D) Usually soft
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Which of the following are three-terminal devices?

(A) Zener diode
(B) Photodiode
(C) Bipolar Junction Transistor
(D) Field Effect Transistor
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When the elements react to form compounds, a negative free energy change (\(\Delta G\)) means

(A) Spontaneous reaction
(B) Free energy of the products is higher than that of reactants
(C) Very high activation barrier
(D) Exergonic reactions
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Arrange the following electron acceptors of Z-scheme of photosynthesis based on the movement of electron from P680 onwards.

(A) Iron-Sulphur Proteins
(B) Ferrodoxin
(C) Plastocyanin
(D) Plastoquinones
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Arrange the following events in an order that explains the bulk flow of substances in the phloem from the source.

(A) Water diffuses into the sieve tube elements
(B) Leaf cells produce sugar by photosynthesis
(C) Solutes are actively transported into sieve elements
(D) Sugar is transported from cell to cell via the apoplast and/or symplast
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Arrange the following nanomaterials in the order of increasing degree of freedom

(A) Bulk material
(B) Graphene Sheet
(C) Quantum Dot
(D) Carbon Nanotubes
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Which of the following exists as a covalent crystal in the solid state?

(A) Sulphur
(B) Iodine
(C) Phosphorus
(D) Silicon
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Arrange the following electron acceptors of Z-scheme of photosynthesis based on the movement of electron from P680 onwards.

(A) Iron-Sulphur Proteins
(B) Ferrodoxin
(C) Plastocyanin
(D) Plastoquinones
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Arrange the following in the order of increasing first ionization energy
(A) Beryllium (Be)
(B) Boron (B)
(C) Lithium (Li)
(D) Carbon (C)
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Arrange the following components in the order of their function in power supply

(A) Voltage regulator
(B) Rectifier
(C) Transformer
(D) Filter
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Arrange the following events in an increasing order (calendar year)

(A) Nobel Prize in Physics for Photoelectric Effect
(B) Nobel Prize in Chemistry for Quantum Dots synthesis and Applications
(C) Nobel Prize for the invention of Scanning Tunneling Electron Microscope
(D) Nobel Prize to Max Planck for his Quantum Theory
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Arrange the following in the order of increasing acidic strength
(A) HCl
(B) HBr
(C) HI
(D) HF
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Arrange the following in the order of increasing wavelength
(A) Lyman
(B) Balmer
(C) Paschen
(D) Brackett
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Arrange the following metals in the order of increasing work function
(A) Potassium (K)
(B) Cesium (Cs)
(C) Platinum (Pt)
(D) Calcium (Ca)
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The centre of negative charge distribution in a molecule may or may not coincide with the centre of the positive charge distribution. If it does not coincide, each molecule has a permanent dipole moment. Such materials are called

A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will

If no thermal energy is developed as the charge goes through the battery, then such a battery is called

In a discharge tube electric conduction does not occur due to the movement of

Explanation for occurrence of monovalency in Group 13 is given by............

Which of the following is an example of electromagnetic waves?

Newton's law of cooling is a special case of

Principal Quantum number represents