List of top Questions asked in CUET (PG)

The production of haploids by anther and pollen culture was first demonstrated by -
Plants cannot absorb molecular nitrogen from the atmosphere because
Inducing the formation of various vegetative organs from cells or tissues in plant tissue culture is called -

Match the LIST-I with LIST-II 

LIST-I BreedLIST-II Place of origin
A. DeoniI. Gujarat
B. KankrejII. Andhra Pradesh
C. OngoleIII. Rajasthan
D. RathiIV. Maharashtra


Choose the correct answer from the options given below:

Atomic Force Microscopy monitors:
As the particle size reduces, the optical absorption spectra shifts towards:
Carbon nanotube shows magneto-resistive effects:
Lithography is:
Scanning Tunneling Microscopy is based on:
Which statement is true for Scanning Tunneling Microscopy:
Atomic Force Microscopy is a modified version of:
In which type of metals, there is overlapping of valence band with the conduction band?
The electronic contribution of specific heat of copper at 300K is:
(Given that the fermi energy of copper is 7.05eV, and it is assumed to be temperature independent)
The characteristic length of nano-materials is:
Surface area to volume ratio of materials:
Electronic magic numbers of atoms are:
A. 2
B. 15
C. 10
D. 18
Choose the correct answer from the options given below:
Which current does not contribute to a uniformly doped semiconductor:
For temperature greater than 0 K, the fermi level is the level where the probability of occupation of electrons is:
According to the Bloch theorem, which of the following equations is the correct form for Bloch functions:
In the Kronig penny Model, the energy of the lowest band at wave vector k = 0 is given by \( E = \frac{h^2 P}{4\pi^2 m a^2} \). This value of energy holds for which condition of Kronig penny potential (P):
Choose the correct statement for the first Brillouin zone in two dimensions:
A. The region in k space that the electrons can occupy without being diffracted is called the First Brillouin zone.
B. For k<\(\pi\)/a electrons can not move freely in any direction inside the square without being diffracted.
C. For k = \(\pi\)/a electrons are prevented from moving in the x or y directions due to diffraction.
D. For k>\(\pi\)/a electrons can move perpendicularly inside the square.
Choose the correct answer from the options given below:
The effective mass of an electron is ______________________________ in the lower part of the band and ______________________________ near the zone boundary (k\(\sim\)\(\pi\)/a).
The density of zinc is \(7.13 \times 10^3\) kg/m\(^3\) and its atomic weight is 65.4. The fermi energy of Zinc is:
(Given that the effective mass of the electron in zinc is \(0.85m_e\))
In 3-dimensional system, the mean energy of an electron in electron gas at absolute zero is __________________________ of fermi energy, \(E_f(0)\) at absolute zero.
Which of the following statements are correct for the Sommerfeld model:
A. The free electrons are valence electrons of the composing atoms.
B. The potential energy of an electron at rest inside the metal is assumed to be higher than that of an electron outside the metal.
C. In this model, the mutual repulsion between the electrons is neglected.
D. The potential energy for an electron is periodic.
Choose the correct answer from the options given below: